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kobol-wiki/docs/files/cesa/openssl-add-cryptodev-suppo...
Gauthier Provost 7367eb0942 Add CESA page
2018-11-19 19:30:43 +08:00

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diff -Naur openssl1.0-1.0.2l.orig/crypto/engine/eng_cryptodev.c openssl1.0-1.0.2l/crypto/engine/eng_cryptodev.c
--- openssl1.0-1.0.2l.orig/crypto/engine/eng_cryptodev.c 2017-05-25 12:54:38.000000000 +0000
+++ openssl1.0-1.0.2l/crypto/engine/eng_cryptodev.c 2018-10-19 10:29:55.138846957 +0000
@@ -2,6 +2,7 @@
* Copyright (c) 2002 Bob Beck <beck@openbsd.org>
* Copyright (c) 2002 Theo de Raadt
* Copyright (c) 2002 Markus Friedl
+ * Copyright (c) 2012 Nikos Mavrogiannopoulos
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -26,15 +27,14 @@
*
*/
-#include <string.h>
#include <openssl/objects.h>
#include <openssl/engine.h>
#include <openssl/evp.h>
#include <openssl/bn.h>
#if (defined(__unix__) || defined(unix)) && !defined(USG) && \
- (defined(OpenBSD) || defined(__FreeBSD__))
-# include <sys/param.h>
+ (defined(OpenBSD) || defined(__FreeBSD__))
+#include <sys/param.h>
# if (OpenBSD >= 200112) || ((__FreeBSD_version >= 470101 && __FreeBSD_version < 500000) || __FreeBSD_version >= 500041)
# define HAVE_CRYPTODEV
# endif
@@ -45,39 +45,40 @@
#ifndef HAVE_CRYPTODEV
-void ENGINE_load_cryptodev(void)
+void
+ENGINE_load_cryptodev(void)
{
- /* This is a NOP on platforms without /dev/crypto */
- return;
+ /* This is a NOP on platforms without /dev/crypto */
+ return;
}
#else
-# include <sys/types.h>
-# include <crypto/cryptodev.h>
-# include <openssl/dh.h>
-# include <openssl/dsa.h>
-# include <openssl/err.h>
-# include <openssl/rsa.h>
-# include <sys/ioctl.h>
-# include <errno.h>
-# include <stdio.h>
-# include <unistd.h>
-# include <fcntl.h>
-# include <stdarg.h>
-# include <syslog.h>
-# include <errno.h>
-# include <string.h>
+#include <sys/types.h>
+#include <crypto/cryptodev.h>
+#include <openssl/dh.h>
+#include <openssl/dsa.h>
+#include <openssl/err.h>
+#include <openssl/rsa.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <syslog.h>
+#include <errno.h>
+#include <string.h>
struct dev_crypto_state {
- struct session_op d_sess;
- int d_fd;
-# ifdef USE_CRYPTODEV_DIGESTS
- char dummy_mac_key[HASH_MAX_LEN];
- unsigned char digest_res[HASH_MAX_LEN];
- char *mac_data;
- int mac_len;
-# endif
+ struct session_op d_sess;
+ int d_fd;
+
+#ifdef USE_CRYPTODEV_DIGESTS
+ unsigned char digest_res[HASH_MAX_LEN];
+ char *mac_data;
+ int mac_len;
+#endif
};
static u_int32_t cryptodev_asymfeat = 0;
@@ -86,196 +87,158 @@
static int open_dev_crypto(void);
static int get_dev_crypto(void);
static int get_cryptodev_ciphers(const int **cnids);
-# ifdef USE_CRYPTODEV_DIGESTS
+#ifdef USE_CRYPTODEV_DIGESTS
static int get_cryptodev_digests(const int **cnids);
-# endif
+#endif
static int cryptodev_usable_ciphers(const int **nids);
static int cryptodev_usable_digests(const int **nids);
static int cryptodev_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, size_t inl);
+ const unsigned char *in, size_t inl);
static int cryptodev_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
- const unsigned char *iv, int enc);
+ const unsigned char *iv, int enc);
static int cryptodev_cleanup(EVP_CIPHER_CTX *ctx);
static int cryptodev_engine_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
- const int **nids, int nid);
+ const int **nids, int nid);
static int cryptodev_engine_digests(ENGINE *e, const EVP_MD **digest,
- const int **nids, int nid);
+ const int **nids, int nid);
static int bn2crparam(const BIGNUM *a, struct crparam *crp);
static int crparam2bn(struct crparam *crp, BIGNUM *a);
static void zapparams(struct crypt_kop *kop);
static int cryptodev_asym(struct crypt_kop *kop, int rlen, BIGNUM *r,
- int slen, BIGNUM *s);
+ int slen, BIGNUM *s);
static int cryptodev_bn_mod_exp(BIGNUM *r, const BIGNUM *a,
- const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
- BN_MONT_CTX *m_ctx);
-static int cryptodev_rsa_nocrt_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa,
- BN_CTX *ctx);
-static int cryptodev_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa,
- BN_CTX *ctx);
+ const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
+static int cryptodev_rsa_nocrt_mod_exp(BIGNUM *r0, const BIGNUM *I,
+ RSA *rsa, BN_CTX *ctx);
+static int cryptodev_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx);
static int cryptodev_dsa_bn_mod_exp(DSA *dsa, BIGNUM *r, BIGNUM *a,
- const BIGNUM *p, const BIGNUM *m,
- BN_CTX *ctx, BN_MONT_CTX *m_ctx);
+ const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
static int cryptodev_dsa_dsa_mod_exp(DSA *dsa, BIGNUM *t1, BIGNUM *g,
- BIGNUM *u1, BIGNUM *pub_key, BIGNUM *u2,
- BIGNUM *p, BN_CTX *ctx,
- BN_MONT_CTX *mont);
-static DSA_SIG *cryptodev_dsa_do_sign(const unsigned char *dgst, int dlen,
- DSA *dsa);
+ BIGNUM *u1, BIGNUM *pub_key, BIGNUM *u2, BIGNUM *p,
+ BN_CTX *ctx, BN_MONT_CTX *mont);
+static DSA_SIG *cryptodev_dsa_do_sign(const unsigned char *dgst,
+ int dlen, DSA *dsa);
static int cryptodev_dsa_verify(const unsigned char *dgst, int dgst_len,
- DSA_SIG *sig, DSA *dsa);
+ DSA_SIG *sig, DSA *dsa);
static int cryptodev_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
- const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
- BN_MONT_CTX *m_ctx);
-static int cryptodev_dh_compute_key(unsigned char *key, const BIGNUM *pub_key,
- DH *dh);
+ const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+ BN_MONT_CTX *m_ctx);
+static int cryptodev_dh_compute_key(unsigned char *key,
+ const BIGNUM *pub_key, DH *dh);
static int cryptodev_ctrl(ENGINE *e, int cmd, long i, void *p,
- void (*f) (void));
+ void (*f)(void));
void ENGINE_load_cryptodev(void);
static const ENGINE_CMD_DEFN cryptodev_defns[] = {
- {0, NULL, NULL, 0}
+ { 0, NULL, NULL, 0 }
};
static struct {
- int id;
- int nid;
- int ivmax;
- int keylen;
+ int id;
+ int nid;
+ int ivmax;
+ int keylen;
} ciphers[] = {
- {
- CRYPTO_ARC4, NID_rc4, 0, 16,
- },
- {
- CRYPTO_DES_CBC, NID_des_cbc, 8, 8,
- },
- {
- CRYPTO_3DES_CBC, NID_des_ede3_cbc, 8, 24,
- },
- {
- CRYPTO_AES_CBC, NID_aes_128_cbc, 16, 16,
- },
- {
- CRYPTO_AES_CBC, NID_aes_192_cbc, 16, 24,
- },
- {
- CRYPTO_AES_CBC, NID_aes_256_cbc, 16, 32,
- },
-# ifdef CRYPTO_AES_CTR
- {
- CRYPTO_AES_CTR, NID_aes_128_ctr, 14, 16,
- },
- {
- CRYPTO_AES_CTR, NID_aes_192_ctr, 14, 24,
- },
- {
- CRYPTO_AES_CTR, NID_aes_256_ctr, 14, 32,
- },
-# endif
- {
- CRYPTO_BLF_CBC, NID_bf_cbc, 8, 16,
- },
- {
- CRYPTO_CAST_CBC, NID_cast5_cbc, 8, 16,
- },
- {
- CRYPTO_SKIPJACK_CBC, NID_undef, 0, 0,
- },
- {
- 0, NID_undef, 0, 0,
- },
+ { CRYPTO_ARC4, NID_rc4, 0, 16, },
+ { CRYPTO_DES_CBC, NID_des_cbc, 8, 8, },
+ { CRYPTO_3DES_CBC, NID_des_ede3_cbc, 8, 24, },
+ { CRYPTO_AES_CBC, NID_aes_128_cbc, 16, 16, },
+ { CRYPTO_AES_CBC, NID_aes_192_cbc, 16, 24, },
+ { CRYPTO_AES_CBC, NID_aes_256_cbc, 16, 32, },
+#ifdef CRYPTO_AES_CTR
+ { CRYPTO_AES_CTR, NID_aes_128_ctr, 14, 16, },
+ { CRYPTO_AES_CTR, NID_aes_192_ctr, 14, 24, },
+ { CRYPTO_AES_CTR, NID_aes_256_ctr, 14, 32, },
+#endif
+ { CRYPTO_BLF_CBC, NID_bf_cbc, 8, 16, },
+ { CRYPTO_CAST_CBC, NID_cast5_cbc, 8, 16, },
+ { CRYPTO_SKIPJACK_CBC, NID_undef, 0, 0, },
+ { 0, NID_undef, 0, 0, },
};
-# ifdef USE_CRYPTODEV_DIGESTS
+#ifdef USE_CRYPTODEV_DIGESTS
static struct {
- int id;
- int nid;
- int keylen;
+ int id;
+ int nid;
+ int digestlen;
} digests[] = {
- {
- CRYPTO_MD5_HMAC, NID_hmacWithMD5, 16
- },
- {
- CRYPTO_SHA1_HMAC, NID_hmacWithSHA1, 20
- },
- {
- CRYPTO_RIPEMD160_HMAC, NID_ripemd160, 16
- /* ? */
- },
- {
- CRYPTO_MD5_KPDK, NID_undef, 0
- },
- {
- CRYPTO_SHA1_KPDK, NID_undef, 0
- },
- {
- CRYPTO_MD5, NID_md5, 16
- },
- {
- CRYPTO_SHA1, NID_sha1, 20
- },
- {
- 0, NID_undef, 0
- },
+#if 0
+ /* HMAC is not supported */
+ { CRYPTO_MD5_HMAC, NID_hmacWithMD5, 16},
+ { CRYPTO_SHA1_HMAC, NID_hmacWithSHA1, 20},
+ { CRYPTO_SHA2_256_HMAC, NID_hmacWithSHA256, 32},
+ { CRYPTO_SHA2_384_HMAC, NID_hmacWithSHA384, 48},
+ { CRYPTO_SHA2_512_HMAC, NID_hmacWithSHA512, 64},
+#endif
+ { CRYPTO_MD5, NID_md5, 16},
+ { CRYPTO_SHA1, NID_sha1, 20},
+ { CRYPTO_SHA2_256, NID_sha256, 32},
+ { CRYPTO_SHA2_384, NID_sha384, 48},
+ { CRYPTO_SHA2_512, NID_sha512, 64},
+ { 0, NID_undef, 0},
};
-# endif
+#endif
/*
* Return a fd if /dev/crypto seems usable, 0 otherwise.
*/
-static int open_dev_crypto(void)
+static int
+open_dev_crypto(void)
{
- static int fd = -1;
+ static int fd = -1;
- if (fd == -1) {
- if ((fd = open("/dev/crypto", O_RDWR, 0)) == -1)
- return (-1);
- /* close on exec */
- if (fcntl(fd, F_SETFD, 1) == -1) {
- close(fd);
- fd = -1;
- return (-1);
- }
- }
- return (fd);
-}
-
-static int get_dev_crypto(void)
-{
- int fd, retfd;
-
- if ((fd = open_dev_crypto()) == -1)
- return (-1);
-# ifndef CRIOGET_NOT_NEEDED
- if (ioctl(fd, CRIOGET, &retfd) == -1)
- return (-1);
-
- /* close on exec */
- if (fcntl(retfd, F_SETFD, 1) == -1) {
- close(retfd);
- return (-1);
- }
-# else
- retfd = fd;
-# endif
- return (retfd);
+ if (fd == -1) {
+ if ((fd = open("/dev/crypto", O_RDWR, 0)) == -1)
+ return (-1);
+ /* close on exec */
+ if (fcntl(fd, F_SETFD, 1) == -1) {
+ close(fd);
+ fd = -1;
+ return (-1);
+ }
+ }
+ return (fd);
+}
+
+static int
+get_dev_crypto(void)
+{
+ int fd, retfd;
+
+ if ((fd = open_dev_crypto()) == -1)
+ return (-1);
+#ifndef CRIOGET_NOT_NEEDED
+ if (ioctl(fd, CRIOGET, &retfd) == -1)
+ return (-1);
+
+ /* close on exec */
+ if (fcntl(retfd, F_SETFD, 1) == -1) {
+ close(retfd);
+ return (-1);
+ }
+#else
+ retfd = fd;
+#endif
+ return (retfd);
}
static void put_dev_crypto(int fd)
{
-# ifndef CRIOGET_NOT_NEEDED
- close(fd);
-# endif
+#ifndef CRIOGET_NOT_NEEDED
+ close(fd);
+#endif
}
/* Caching version for asym operations */
-static int get_asym_dev_crypto(void)
+static int
+get_asym_dev_crypto(void)
{
- static int fd = -1;
+ static int fd = -1;
- if (fd == -1)
- fd = get_dev_crypto();
- return fd;
+ if (fd == -1)
+ fd = get_dev_crypto();
+ return fd;
}
/*
@@ -284,76 +247,80 @@
* returning them here is harmless, as long as we return NULL
* when asked for a handler in the cryptodev_engine_ciphers routine
*/
-static int get_cryptodev_ciphers(const int **cnids)
+static int
+get_cryptodev_ciphers(const int **cnids)
{
- static int nids[CRYPTO_ALGORITHM_MAX];
- struct session_op sess;
- int fd, i, count = 0;
-
- if ((fd = get_dev_crypto()) < 0) {
- *cnids = NULL;
- return (0);
- }
- memset(&sess, 0, sizeof(sess));
- sess.key = (caddr_t) "123456789abcdefghijklmno";
-
- for (i = 0; ciphers[i].id && count < CRYPTO_ALGORITHM_MAX; i++) {
- if (ciphers[i].nid == NID_undef)
- continue;
- sess.cipher = ciphers[i].id;
- sess.keylen = ciphers[i].keylen;
- sess.mac = 0;
- if (ioctl(fd, CIOCGSESSION, &sess) != -1 &&
- ioctl(fd, CIOCFSESSION, &sess.ses) != -1)
- nids[count++] = ciphers[i].nid;
- }
- put_dev_crypto(fd);
-
- if (count > 0)
- *cnids = nids;
- else
- *cnids = NULL;
- return (count);
+ static int nids[CRYPTO_ALGORITHM_MAX];
+ struct session_op sess;
+ int fd, i, count = 0;
+ unsigned char fake_key[CRYPTO_CIPHER_MAX_KEY_LEN];
+
+ if ((fd = get_dev_crypto()) < 0) {
+ *cnids = NULL;
+ return (0);
+ }
+ memset(&sess, 0, sizeof(sess));
+ sess.key = (void*)fake_key;
+
+ for (i = 0; ciphers[i].id && count < CRYPTO_ALGORITHM_MAX; i++) {
+ if (ciphers[i].nid == NID_undef)
+ continue;
+ sess.cipher = ciphers[i].id;
+ sess.keylen = ciphers[i].keylen;
+ sess.mac = 0;
+ if (ioctl(fd, CIOCGSESSION, &sess) != -1 &&
+ ioctl(fd, CIOCFSESSION, &sess.ses) != -1)
+ nids[count++] = ciphers[i].nid;
+ }
+ put_dev_crypto(fd);
+
+ if (count > 0)
+ *cnids = nids;
+ else
+ *cnids = NULL;
+ return (count);
}
-# ifdef USE_CRYPTODEV_DIGESTS
+#ifdef USE_CRYPTODEV_DIGESTS
/*
* Find out what digests /dev/crypto will let us have a session for.
* XXX note, that some of these openssl doesn't deal with yet!
* returning them here is harmless, as long as we return NULL
* when asked for a handler in the cryptodev_engine_digests routine
*/
-static int get_cryptodev_digests(const int **cnids)
+static int
+get_cryptodev_digests(const int **cnids)
{
- static int nids[CRYPTO_ALGORITHM_MAX];
- struct session_op sess;
- int fd, i, count = 0;
-
- if ((fd = get_dev_crypto()) < 0) {
- *cnids = NULL;
- return (0);
- }
- memset(&sess, 0, sizeof(sess));
- sess.mackey = (caddr_t) "123456789abcdefghijklmno";
- for (i = 0; digests[i].id && count < CRYPTO_ALGORITHM_MAX; i++) {
- if (digests[i].nid == NID_undef)
- continue;
- sess.mac = digests[i].id;
- sess.mackeylen = digests[i].keylen;
- sess.cipher = 0;
- if (ioctl(fd, CIOCGSESSION, &sess) != -1 &&
- ioctl(fd, CIOCFSESSION, &sess.ses) != -1)
- nids[count++] = digests[i].nid;
- }
- put_dev_crypto(fd);
-
- if (count > 0)
- *cnids = nids;
- else
- *cnids = NULL;
- return (count);
+ static int nids[CRYPTO_ALGORITHM_MAX];
+ unsigned char fake_key[CRYPTO_CIPHER_MAX_KEY_LEN];
+ struct session_op sess;
+ int fd, i, count = 0;
+
+ if ((fd = get_dev_crypto()) < 0) {
+ *cnids = NULL;
+ return (0);
+ }
+ memset(&sess, 0, sizeof(sess));
+ sess.mackey = fake_key;
+ for (i = 0; digests[i].id && count < CRYPTO_ALGORITHM_MAX; i++) {
+ if (digests[i].nid == NID_undef)
+ continue;
+ sess.mac = digests[i].id;
+ sess.mackeylen = 8;
+ sess.cipher = 0;
+ if (ioctl(fd, CIOCGSESSION, &sess) != -1 &&
+ ioctl(fd, CIOCFSESSION, &sess.ses) != -1)
+ nids[count++] = digests[i].nid;
+ }
+ put_dev_crypto(fd);
+
+ if (count > 0)
+ *cnids = nids;
+ else
+ *cnids = NULL;
+ return (count);
}
-# endif /* 0 */
+#endif /* 0 */
/*
* Find the useable ciphers|digests from dev/crypto - this is the first
@@ -376,158 +343,161 @@
* want most of the decisions made about what we actually want
* to use from /dev/crypto.
*/
-static int cryptodev_usable_ciphers(const int **nids)
+static int
+cryptodev_usable_ciphers(const int **nids)
{
- return (get_cryptodev_ciphers(nids));
+ return (get_cryptodev_ciphers(nids));
}
-static int cryptodev_usable_digests(const int **nids)
+static int
+cryptodev_usable_digests(const int **nids)
{
-# ifdef USE_CRYPTODEV_DIGESTS
- return (get_cryptodev_digests(nids));
-# else
- /*
- * XXXX just disable all digests for now, because it sucks.
- * we need a better way to decide this - i.e. I may not
- * want digests on slow cards like hifn on fast machines,
- * but might want them on slow or loaded machines, etc.
- * will also want them when using crypto cards that don't
- * suck moose gonads - would be nice to be able to decide something
- * as reasonable default without having hackery that's card dependent.
- * of course, the default should probably be just do everything,
- * with perhaps a sysctl to turn algoritms off (or have them off
- * by default) on cards that generally suck like the hifn.
- */
- *nids = NULL;
- return (0);
-# endif
+#ifdef USE_CRYPTODEV_DIGESTS
+ return (get_cryptodev_digests(nids));
+#else
+ /*
+ * XXXX just disable all digests for now, because it sucks.
+ * we need a better way to decide this - i.e. I may not
+ * want digests on slow cards like hifn on fast machines,
+ * but might want them on slow or loaded machines, etc.
+ * will also want them when using crypto cards that don't
+ * suck moose gonads - would be nice to be able to decide something
+ * as reasonable default without having hackery that's card dependent.
+ * of course, the default should probably be just do everything,
+ * with perhaps a sysctl to turn algoritms off (or have them off
+ * by default) on cards that generally suck like the hifn.
+ */
+ *nids = NULL;
+ return (0);
+#endif
}
static int
cryptodev_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
- const unsigned char *in, size_t inl)
+ const unsigned char *in, size_t inl)
{
- struct crypt_op cryp;
- struct dev_crypto_state *state = ctx->cipher_data;
- struct session_op *sess = &state->d_sess;
- const void *iiv;
- unsigned char save_iv[EVP_MAX_IV_LENGTH];
-
- if (state->d_fd < 0)
- return (0);
- if (!inl)
- return (1);
- if ((inl % ctx->cipher->block_size) != 0)
- return (0);
-
- memset(&cryp, 0, sizeof(cryp));
-
- cryp.ses = sess->ses;
- cryp.flags = 0;
- cryp.len = inl;
- cryp.src = (caddr_t) in;
- cryp.dst = (caddr_t) out;
- cryp.mac = 0;
-
- cryp.op = ctx->encrypt ? COP_ENCRYPT : COP_DECRYPT;
-
- if (ctx->cipher->iv_len) {
- cryp.iv = (caddr_t) ctx->iv;
- if (!ctx->encrypt) {
- iiv = in + inl - ctx->cipher->iv_len;
- memcpy(save_iv, iiv, ctx->cipher->iv_len);
- }
- } else
- cryp.iv = NULL;
-
- if (ioctl(state->d_fd, CIOCCRYPT, &cryp) == -1) {
- /*
- * XXX need better errror handling this can fail for a number of
- * different reasons.
- */
- return (0);
- }
-
- if (ctx->cipher->iv_len) {
- if (ctx->encrypt)
- iiv = out + inl - ctx->cipher->iv_len;
- else
- iiv = save_iv;
- memcpy(ctx->iv, iiv, ctx->cipher->iv_len);
- }
- return (1);
+ struct crypt_op cryp;
+ struct dev_crypto_state *state = ctx->cipher_data;
+ struct session_op *sess = &state->d_sess;
+ const void *iiv;
+ unsigned char save_iv[EVP_MAX_IV_LENGTH];
+
+ if (state->d_fd < 0)
+ return (0);
+ if (!inl)
+ return (1);
+ if ((inl % ctx->cipher->block_size) != 0)
+ return (0);
+
+ memset(&cryp, 0, sizeof(cryp));
+
+ cryp.ses = sess->ses;
+ cryp.flags = 0;
+ cryp.len = inl;
+ cryp.src = (void*) in;
+ cryp.dst = (void*) out;
+ cryp.mac = 0;
+
+ cryp.op = ctx->encrypt ? COP_ENCRYPT : COP_DECRYPT;
+
+ if (ctx->cipher->iv_len) {
+ cryp.iv = (void*) ctx->iv;
+ if (!ctx->encrypt) {
+ iiv = in + inl - ctx->cipher->iv_len;
+ memcpy(save_iv, iiv, ctx->cipher->iv_len);
+ }
+ } else
+ cryp.iv = NULL;
+
+ if (ioctl(state->d_fd, CIOCCRYPT, &cryp) == -1) {
+ /* XXX need better errror handling
+ * this can fail for a number of different reasons.
+ */
+ return (0);
+ }
+
+ if (ctx->cipher->iv_len) {
+ if (ctx->encrypt)
+ iiv = out + inl - ctx->cipher->iv_len;
+ else
+ iiv = save_iv;
+ memcpy(ctx->iv, iiv, ctx->cipher->iv_len);
+ }
+ return (1);
}
static int
cryptodev_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
- const unsigned char *iv, int enc)
+ const unsigned char *iv, int enc)
{
- struct dev_crypto_state *state = ctx->cipher_data;
- struct session_op *sess = &state->d_sess;
- int cipher = -1, i;
-
- for (i = 0; ciphers[i].id; i++)
- if (ctx->cipher->nid == ciphers[i].nid &&
- ctx->cipher->iv_len <= ciphers[i].ivmax &&
- ctx->key_len == ciphers[i].keylen) {
- cipher = ciphers[i].id;
- break;
- }
-
- if (!ciphers[i].id) {
- state->d_fd = -1;
- return (0);
- }
-
- memset(sess, 0, sizeof(struct session_op));
-
- if ((state->d_fd = get_dev_crypto()) < 0)
- return (0);
-
- sess->key = (caddr_t) key;
- sess->keylen = ctx->key_len;
- sess->cipher = cipher;
-
- if (ioctl(state->d_fd, CIOCGSESSION, sess) == -1) {
- put_dev_crypto(state->d_fd);
- state->d_fd = -1;
- return (0);
- }
- return (1);
+ struct dev_crypto_state *state = ctx->cipher_data;
+ struct session_op *sess = &state->d_sess;
+ int cipher = -1, i;
+
+ for (i = 0; ciphers[i].id; i++)
+ if (ctx->cipher->nid == ciphers[i].nid &&
+ ctx->cipher->iv_len <= ciphers[i].ivmax &&
+ ctx->key_len == ciphers[i].keylen) {
+ cipher = ciphers[i].id;
+ break;
+ }
+
+ if (!ciphers[i].id) {
+ state->d_fd = -1;
+ return (0);
+ }
+
+ memset(sess, 0, sizeof(struct session_op));
+
+ if ((state->d_fd = get_dev_crypto()) < 0)
+ return (0);
+
+ sess->key = (void*)key;
+ sess->keylen = ctx->key_len;
+ sess->cipher = cipher;
+
+ if (ioctl(state->d_fd, CIOCGSESSION, sess) == -1) {
+ put_dev_crypto(state->d_fd);
+ state->d_fd = -1;
+ return (0);
+ }
+ return (1);
}
/*
* free anything we allocated earlier when initting a
* session, and close the session.
*/
-static int cryptodev_cleanup(EVP_CIPHER_CTX *ctx)
+static int
+cryptodev_cleanup(EVP_CIPHER_CTX *ctx)
{
- int ret = 0;
- struct dev_crypto_state *state = ctx->cipher_data;
- struct session_op *sess = &state->d_sess;
-
- if (state->d_fd < 0)
- return (0);
-
- /*
- * XXX if this ioctl fails, someting's wrong. the invoker may have called
- * us with a bogus ctx, or we could have a device that for whatever
- * reason just doesn't want to play ball - it's not clear what's right
- * here - should this be an error? should it just increase a counter,
- * hmm. For right now, we return 0 - I don't believe that to be "right".
- * we could call the gorpy openssl lib error handlers that print messages
- * to users of the library. hmm..
- */
-
- if (ioctl(state->d_fd, CIOCFSESSION, &sess->ses) == -1) {
- ret = 0;
- } else {
- ret = 1;
- }
- put_dev_crypto(state->d_fd);
- state->d_fd = -1;
+ int ret = 0;
+ struct dev_crypto_state *state = ctx->cipher_data;
+ struct session_op *sess = &state->d_sess;
+
+ if (state->d_fd < 0)
+ return (0);
+
+ /* XXX if this ioctl fails, someting's wrong. the invoker
+ * may have called us with a bogus ctx, or we could
+ * have a device that for whatever reason just doesn't
+ * want to play ball - it's not clear what's right
+ * here - should this be an error? should it just
+ * increase a counter, hmm. For right now, we return
+ * 0 - I don't believe that to be "right". we could
+ * call the gorpy openssl lib error handlers that
+ * print messages to users of the library. hmm..
+ */
+
+ if (ioctl(state->d_fd, CIOCFSESSION, &sess->ses) == -1) {
+ ret = 0;
+ } else {
+ ret = 1;
+ }
+ put_dev_crypto(state->d_fd);
+ state->d_fd = -1;
- return (ret);
+ return (ret);
}
/*
@@ -535,153 +505,165 @@
* gets called when libcrypto requests a cipher NID.
*/
+static int cryptodev_cipher_ctrl(EVP_CIPHER_CTX *ctx, int type, int p1, void *p2)
+{
+ struct dev_crypto_state *state = ctx->cipher_data;
+ struct session_op *sess = &state->d_sess;
+
+ if (type == EVP_CTRL_COPY) {
+ EVP_CIPHER_CTX *out = p2;
+ return cryptodev_init_key(out, sess->key, ctx->iv, 0);
+ }
+
+ return 0;
+}
+
/* RC4 */
const EVP_CIPHER cryptodev_rc4 = {
- NID_rc4,
- 1, 16, 0,
- EVP_CIPH_VARIABLE_LENGTH,
- cryptodev_init_key,
- cryptodev_cipher,
- cryptodev_cleanup,
- sizeof(struct dev_crypto_state),
- NULL,
- NULL,
- NULL
+ NID_rc4,
+ 1, 16, 0,
+ EVP_CIPH_VARIABLE_LENGTH|EVP_CIPH_CUSTOM_COPY,
+ cryptodev_init_key,
+ cryptodev_cipher,
+ cryptodev_cleanup,
+ sizeof(struct dev_crypto_state),
+ NULL,
+ NULL,
+ cryptodev_cipher_ctrl
};
/* DES CBC EVP */
const EVP_CIPHER cryptodev_des_cbc = {
- NID_des_cbc,
- 8, 8, 8,
- EVP_CIPH_CBC_MODE,
- cryptodev_init_key,
- cryptodev_cipher,
- cryptodev_cleanup,
- sizeof(struct dev_crypto_state),
- EVP_CIPHER_set_asn1_iv,
- EVP_CIPHER_get_asn1_iv,
- NULL
+ NID_des_cbc,
+ 8, 8, 8,
+ EVP_CIPH_CBC_MODE|EVP_CIPH_CUSTOM_COPY,
+ cryptodev_init_key,
+ cryptodev_cipher,
+ cryptodev_cleanup,
+ sizeof(struct dev_crypto_state),
+ EVP_CIPHER_set_asn1_iv,
+ EVP_CIPHER_get_asn1_iv,
+ cryptodev_cipher_ctrl
};
/* 3DES CBC EVP */
const EVP_CIPHER cryptodev_3des_cbc = {
- NID_des_ede3_cbc,
- 8, 24, 8,
- EVP_CIPH_CBC_MODE,
- cryptodev_init_key,
- cryptodev_cipher,
- cryptodev_cleanup,
- sizeof(struct dev_crypto_state),
- EVP_CIPHER_set_asn1_iv,
- EVP_CIPHER_get_asn1_iv,
- NULL
+ NID_des_ede3_cbc,
+ 8, 24, 8,
+ EVP_CIPH_CBC_MODE|EVP_CIPH_CUSTOM_COPY,
+ cryptodev_init_key,
+ cryptodev_cipher,
+ cryptodev_cleanup,
+ sizeof(struct dev_crypto_state),
+ EVP_CIPHER_set_asn1_iv,
+ EVP_CIPHER_get_asn1_iv,
+ cryptodev_cipher_ctrl
};
const EVP_CIPHER cryptodev_bf_cbc = {
- NID_bf_cbc,
- 8, 16, 8,
- EVP_CIPH_CBC_MODE,
- cryptodev_init_key,
- cryptodev_cipher,
- cryptodev_cleanup,
- sizeof(struct dev_crypto_state),
- EVP_CIPHER_set_asn1_iv,
- EVP_CIPHER_get_asn1_iv,
- NULL
+ NID_bf_cbc,
+ 8, 16, 8,
+ EVP_CIPH_CBC_MODE|EVP_CIPH_CUSTOM_COPY,
+ cryptodev_init_key,
+ cryptodev_cipher,
+ cryptodev_cleanup,
+ sizeof(struct dev_crypto_state),
+ EVP_CIPHER_set_asn1_iv,
+ EVP_CIPHER_get_asn1_iv,
+ cryptodev_cipher_ctrl
};
const EVP_CIPHER cryptodev_cast_cbc = {
- NID_cast5_cbc,
- 8, 16, 8,
- EVP_CIPH_CBC_MODE,
- cryptodev_init_key,
- cryptodev_cipher,
- cryptodev_cleanup,
- sizeof(struct dev_crypto_state),
- EVP_CIPHER_set_asn1_iv,
- EVP_CIPHER_get_asn1_iv,
- NULL
+ NID_cast5_cbc,
+ 8, 16, 8,
+ EVP_CIPH_CBC_MODE|EVP_CIPH_CUSTOM_COPY,
+ cryptodev_init_key,
+ cryptodev_cipher,
+ cryptodev_cleanup,
+ sizeof(struct dev_crypto_state),
+ EVP_CIPHER_set_asn1_iv,
+ EVP_CIPHER_get_asn1_iv,
+ cryptodev_cipher_ctrl
};
const EVP_CIPHER cryptodev_aes_cbc = {
- NID_aes_128_cbc,
- 16, 16, 16,
- EVP_CIPH_CBC_MODE,
- cryptodev_init_key,
- cryptodev_cipher,
- cryptodev_cleanup,
- sizeof(struct dev_crypto_state),
- EVP_CIPHER_set_asn1_iv,
- EVP_CIPHER_get_asn1_iv,
- NULL
+ NID_aes_128_cbc,
+ 16, 16, 16,
+ EVP_CIPH_CBC_MODE|EVP_CIPH_CUSTOM_COPY,
+ cryptodev_init_key,
+ cryptodev_cipher,
+ cryptodev_cleanup,
+ sizeof(struct dev_crypto_state),
+ EVP_CIPHER_set_asn1_iv,
+ EVP_CIPHER_get_asn1_iv,
+ cryptodev_cipher_ctrl
};
const EVP_CIPHER cryptodev_aes_192_cbc = {
- NID_aes_192_cbc,
- 16, 24, 16,
- EVP_CIPH_CBC_MODE,
- cryptodev_init_key,
- cryptodev_cipher,
- cryptodev_cleanup,
- sizeof(struct dev_crypto_state),
- EVP_CIPHER_set_asn1_iv,
- EVP_CIPHER_get_asn1_iv,
- NULL
+ NID_aes_192_cbc,
+ 16, 24, 16,
+ EVP_CIPH_CBC_MODE|EVP_CIPH_CUSTOM_COPY,
+ cryptodev_init_key,
+ cryptodev_cipher,
+ cryptodev_cleanup,
+ sizeof(struct dev_crypto_state),
+ EVP_CIPHER_set_asn1_iv,
+ EVP_CIPHER_get_asn1_iv,
+ cryptodev_cipher_ctrl
};
const EVP_CIPHER cryptodev_aes_256_cbc = {
- NID_aes_256_cbc,
- 16, 32, 16,
- EVP_CIPH_CBC_MODE,
- cryptodev_init_key,
- cryptodev_cipher,
- cryptodev_cleanup,
- sizeof(struct dev_crypto_state),
- EVP_CIPHER_set_asn1_iv,
- EVP_CIPHER_get_asn1_iv,
- NULL
+ NID_aes_256_cbc,
+ 16, 32, 16,
+ EVP_CIPH_CBC_MODE|EVP_CIPH_CUSTOM_COPY,
+ cryptodev_init_key,
+ cryptodev_cipher,
+ cryptodev_cleanup,
+ sizeof(struct dev_crypto_state),
+ EVP_CIPHER_set_asn1_iv,
+ EVP_CIPHER_get_asn1_iv,
+ cryptodev_cipher_ctrl
};
-
-# ifdef CRYPTO_AES_CTR
+#ifdef CRYPTO_AES_CTR
const EVP_CIPHER cryptodev_aes_ctr = {
- NID_aes_128_ctr,
- 16, 16, 14,
- EVP_CIPH_CTR_MODE,
- cryptodev_init_key,
- cryptodev_cipher,
- cryptodev_cleanup,
- sizeof(struct dev_crypto_state),
- EVP_CIPHER_set_asn1_iv,
- EVP_CIPHER_get_asn1_iv,
- NULL
+ NID_aes_128_ctr,
+ 16, 16, 14,
+ EVP_CIPH_CTR_MODE|EVP_CIPH_CUSTOM_COPY,
+ cryptodev_init_key,
+ cryptodev_cipher,
+ cryptodev_cleanup,
+ sizeof(struct dev_crypto_state),
+ EVP_CIPHER_set_asn1_iv,
+ EVP_CIPHER_get_asn1_iv,
+ cryptodev_cipher_ctrl
};
const EVP_CIPHER cryptodev_aes_ctr_192 = {
- NID_aes_192_ctr,
- 16, 24, 14,
- EVP_CIPH_CTR_MODE,
- cryptodev_init_key,
- cryptodev_cipher,
- cryptodev_cleanup,
- sizeof(struct dev_crypto_state),
- EVP_CIPHER_set_asn1_iv,
- EVP_CIPHER_get_asn1_iv,
- NULL
+ NID_aes_192_ctr,
+ 16, 24, 14,
+ EVP_CIPH_CTR_MODE|EVP_CIPH_CUSTOM_COPY,
+ cryptodev_init_key,
+ cryptodev_cipher,
+ cryptodev_cleanup,
+ sizeof(struct dev_crypto_state),
+ EVP_CIPHER_set_asn1_iv,
+ EVP_CIPHER_get_asn1_iv,
+ cryptodev_cipher_ctrl
};
const EVP_CIPHER cryptodev_aes_ctr_256 = {
- NID_aes_256_ctr,
- 16, 32, 14,
- EVP_CIPH_CTR_MODE,
- cryptodev_init_key,
- cryptodev_cipher,
- cryptodev_cleanup,
- sizeof(struct dev_crypto_state),
- EVP_CIPHER_set_asn1_iv,
- EVP_CIPHER_get_asn1_iv,
- NULL
+ NID_aes_256_ctr,
+ 16, 32, 14,
+ EVP_CIPH_CTR_MODE|EVP_CIPH_CUSTOM_COPY,
+ cryptodev_init_key,
+ cryptodev_cipher,
+ cryptodev_cleanup,
+ sizeof(struct dev_crypto_state),
+ EVP_CIPHER_set_asn1_iv,
+ EVP_CIPHER_get_asn1_iv,
+ cryptodev_cipher_ctrl
};
-# endif
+#endif
/*
* Registered by the ENGINE when used to find out how to deal with
* a particular NID in the ENGINE. this says what we'll do at the
@@ -689,321 +671,412 @@
*/
static int
cryptodev_engine_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
- const int **nids, int nid)
+ const int **nids, int nid)
{
- if (!cipher)
- return (cryptodev_usable_ciphers(nids));
+ if (!cipher)
+ return (cryptodev_usable_ciphers(nids));
- switch (nid) {
- case NID_rc4:
- *cipher = &cryptodev_rc4;
- break;
- case NID_des_ede3_cbc:
- *cipher = &cryptodev_3des_cbc;
- break;
- case NID_des_cbc:
- *cipher = &cryptodev_des_cbc;
- break;
- case NID_bf_cbc:
- *cipher = &cryptodev_bf_cbc;
- break;
- case NID_cast5_cbc:
- *cipher = &cryptodev_cast_cbc;
- break;
- case NID_aes_128_cbc:
- *cipher = &cryptodev_aes_cbc;
- break;
- case NID_aes_192_cbc:
- *cipher = &cryptodev_aes_192_cbc;
- break;
- case NID_aes_256_cbc:
- *cipher = &cryptodev_aes_256_cbc;
- break;
-# ifdef CRYPTO_AES_CTR
- case NID_aes_128_ctr:
- *cipher = &cryptodev_aes_ctr;
- break;
- case NID_aes_192_ctr:
- *cipher = &cryptodev_aes_ctr_192;
- break;
- case NID_aes_256_ctr:
- *cipher = &cryptodev_aes_ctr_256;
- break;
-# endif
- default:
- *cipher = NULL;
- break;
- }
- return (*cipher != NULL);
+ switch (nid) {
+ case NID_rc4:
+ *cipher = &cryptodev_rc4;
+ break;
+ case NID_des_ede3_cbc:
+ *cipher = &cryptodev_3des_cbc;
+ break;
+ case NID_des_cbc:
+ *cipher = &cryptodev_des_cbc;
+ break;
+ case NID_bf_cbc:
+ *cipher = &cryptodev_bf_cbc;
+ break;
+ case NID_cast5_cbc:
+ *cipher = &cryptodev_cast_cbc;
+ break;
+ case NID_aes_128_cbc:
+ *cipher = &cryptodev_aes_cbc;
+ break;
+ case NID_aes_192_cbc:
+ *cipher = &cryptodev_aes_192_cbc;
+ break;
+ case NID_aes_256_cbc:
+ *cipher = &cryptodev_aes_256_cbc;
+ break;
+#ifdef CRYPTO_AES_CTR
+ case NID_aes_128_ctr:
+ *cipher = &cryptodev_aes_ctr;
+ break;
+ case NID_aes_192_ctr:
+ *cipher = &cryptodev_aes_ctr_192;
+ break;
+ case NID_aes_256_ctr:
+ *cipher = &cryptodev_aes_ctr_256;
+ break;
+#endif
+ default:
+ *cipher = NULL;
+ break;
+ }
+ return (*cipher != NULL);
}
-# ifdef USE_CRYPTODEV_DIGESTS
+
+#ifdef USE_CRYPTODEV_DIGESTS
/* convert digest type to cryptodev */
-static int digest_nid_to_cryptodev(int nid)
+static int
+digest_nid_to_cryptodev(int nid)
{
- int i;
+ int i;
- for (i = 0; digests[i].id; i++)
- if (digests[i].nid == nid)
- return (digests[i].id);
- return (0);
+ for (i = 0; digests[i].id; i++)
+ if (digests[i].nid == nid)
+ return (digests[i].id);
+ return (0);
}
-static int digest_key_length(int nid)
-{
- int i;
-
- for (i = 0; digests[i].id; i++)
- if (digests[i].nid == nid)
- return digests[i].keylen;
- return (0);
-}
static int cryptodev_digest_init(EVP_MD_CTX *ctx)
{
- struct dev_crypto_state *state = ctx->md_data;
- struct session_op *sess = &state->d_sess;
- int digest;
-
- if ((digest = digest_nid_to_cryptodev(ctx->digest->type)) == NID_undef) {
- printf("cryptodev_digest_init: Can't get digest \n");
- return (0);
- }
-
- memset(state, 0, sizeof(struct dev_crypto_state));
-
- if ((state->d_fd = get_dev_crypto()) < 0) {
- printf("cryptodev_digest_init: Can't get Dev \n");
- return (0);
- }
-
- sess->mackey = state->dummy_mac_key;
- sess->mackeylen = digest_key_length(ctx->digest->type);
- sess->mac = digest;
-
- if (ioctl(state->d_fd, CIOCGSESSION, sess) < 0) {
- put_dev_crypto(state->d_fd);
- state->d_fd = -1;
- printf("cryptodev_digest_init: Open session failed\n");
- return (0);
- }
+ struct dev_crypto_state *state = ctx->md_data;
+ struct session_op *sess = &state->d_sess;
+ int digest;
+
+ if ((digest = digest_nid_to_cryptodev(ctx->digest->type)) == NID_undef){
+ printf("cryptodev_digest_init: Can't get digest \n");
+ return (0);
+ }
+ memset(state, 0, sizeof(struct dev_crypto_state));
+
+ if ((state->d_fd = get_dev_crypto()) < 0) {
+ printf("cryptodev_digest_init: Can't get Dev \n");
+ return (0);
+ }
+
+ sess->mackey = NULL;
+ sess->mackeylen = 0;
+ sess->mac = digest;
+
+ if (ioctl(state->d_fd, CIOCGSESSION, sess) < 0) {
+ put_dev_crypto(state->d_fd);
+ state->d_fd = -1;
+ printf("cryptodev_digest_init: Open session failed\n");
+ return (0);
+ }
- return (1);
+ return (1);
}
static int cryptodev_digest_update(EVP_MD_CTX *ctx, const void *data,
- size_t count)
+ size_t count)
{
- struct crypt_op cryp;
- struct dev_crypto_state *state = ctx->md_data;
- struct session_op *sess = &state->d_sess;
-
- if (!data || state->d_fd < 0) {
- printf("cryptodev_digest_update: illegal inputs \n");
- return (0);
- }
-
- if (!count) {
- return (0);
- }
-
- if (!(ctx->flags & EVP_MD_CTX_FLAG_ONESHOT)) {
- /* if application doesn't support one buffer */
- char *mac_data =
- OPENSSL_realloc(state->mac_data, state->mac_len + count);
-
- if (mac_data == NULL) {
- printf("cryptodev_digest_update: realloc failed\n");
- return (0);
- }
-
- state->mac_data = mac_data;
- memcpy(state->mac_data + state->mac_len, data, count);
- state->mac_len += count;
-
- return (1);
- }
-
- memset(&cryp, 0, sizeof(cryp));
-
- cryp.ses = sess->ses;
- cryp.flags = 0;
- cryp.len = count;
- cryp.src = (caddr_t) data;
- cryp.dst = NULL;
- cryp.mac = (caddr_t) state->digest_res;
- if (ioctl(state->d_fd, CIOCCRYPT, &cryp) < 0) {
- printf("cryptodev_digest_update: digest failed\n");
- return (0);
- }
- return (1);
+ struct dev_crypto_state *state = ctx->md_data;
+ struct crypt_op cryp;
+ struct session_op *sess = &state->d_sess;
+ char *new_mac_data;
+
+ if (!data || state->d_fd < 0) {
+ printf("cryptodev_digest_update: illegal inputs \n");
+ return (0);
+ }
+
+ if (!count) {
+ return (1);
+ }
+
+ if (!(ctx->flags & EVP_MD_CTX_FLAG_ONESHOT)) {
+ /* if application doesn't support one buffer */
+ new_mac_data = OPENSSL_realloc(state->mac_data, state->mac_len + count);
+
+ if (!new_mac_data) {
+ printf("cryptodev_digest_update: realloc failed\n");
+ return (0);
+ }
+ state->mac_data = new_mac_data;
+
+ memcpy(state->mac_data + state->mac_len, data, count);
+ state->mac_len += count;
+
+ return (1);
+ }
+
+ memset(&cryp, 0, sizeof(cryp));
+
+ cryp.ses = sess->ses;
+ cryp.flags = 0;
+ cryp.len = count;
+ cryp.src = (void*) data;
+ cryp.dst = NULL;
+ cryp.mac = (void*) state->digest_res;
+ if (ioctl(state->d_fd, CIOCCRYPT, &cryp) < 0) {
+ printf("cryptodev_digest_update: digest failed\n");
+ return (0);
+ }
+ return (1);
}
+
static int cryptodev_digest_final(EVP_MD_CTX *ctx, unsigned char *md)
{
- struct crypt_op cryp;
- struct dev_crypto_state *state = ctx->md_data;
- struct session_op *sess = &state->d_sess;
-
- int ret = 1;
-
- if (!md || state->d_fd < 0) {
- printf("cryptodev_digest_final: illegal input\n");
- return (0);
- }
-
- if (!(ctx->flags & EVP_MD_CTX_FLAG_ONESHOT)) {
- /* if application doesn't support one buffer */
- memset(&cryp, 0, sizeof(cryp));
- cryp.ses = sess->ses;
- cryp.flags = 0;
- cryp.len = state->mac_len;
- cryp.src = state->mac_data;
- cryp.dst = NULL;
- cryp.mac = (caddr_t) md;
- if (ioctl(state->d_fd, CIOCCRYPT, &cryp) < 0) {
- printf("cryptodev_digest_final: digest failed\n");
- return (0);
- }
+ struct crypt_op cryp;
+ struct dev_crypto_state *state = ctx->md_data;
+ struct session_op *sess = &state->d_sess;
+
+ if (!md || state->d_fd < 0) {
+ printf("cryptodev_digest_final: illegal input\n");
+ return(0);
+ }
+
+ if (! (ctx->flags & EVP_MD_CTX_FLAG_ONESHOT) ) {
+ /* if application doesn't support one buffer */
+ memset(&cryp, 0, sizeof(cryp));
+ cryp.ses = sess->ses;
+ cryp.flags = 0;
+ cryp.len = state->mac_len;
+ cryp.src = state->mac_data;
+ cryp.dst = NULL;
+ cryp.mac = (void*)md;
+ if (ioctl(state->d_fd, CIOCCRYPT, &cryp) < 0) {
+ printf("cryptodev_digest_final: digest failed\n");
+ return (0);
+ }
- return 1;
- }
+ return 1;
+ }
- memcpy(md, state->digest_res, ctx->digest->md_size);
+ memcpy(md, state->digest_res, ctx->digest->md_size);
- return (ret);
+ return 1;
}
+
static int cryptodev_digest_cleanup(EVP_MD_CTX *ctx)
{
- int ret = 1;
- struct dev_crypto_state *state = ctx->md_data;
- struct session_op *sess = &state->d_sess;
-
- if (state == NULL)
- return 0;
-
- if (state->d_fd < 0) {
- printf("cryptodev_digest_cleanup: illegal input\n");
- return (0);
- }
-
- if (state->mac_data) {
- OPENSSL_free(state->mac_data);
- state->mac_data = NULL;
- state->mac_len = 0;
- }
-
- if (ioctl(state->d_fd, CIOCFSESSION, &sess->ses) < 0) {
- printf("cryptodev_digest_cleanup: failed to close session\n");
- ret = 0;
- } else {
- ret = 1;
- }
- put_dev_crypto(state->d_fd);
- state->d_fd = -1;
-
- return (ret);
-}
-
-static int cryptodev_digest_copy(EVP_MD_CTX *to, const EVP_MD_CTX *from)
-{
- struct dev_crypto_state *fstate = from->md_data;
- struct dev_crypto_state *dstate = to->md_data;
- struct session_op *sess;
- int digest;
-
- if (dstate == NULL || fstate == NULL)
- return 1;
-
- memcpy(dstate, fstate, sizeof(struct dev_crypto_state));
-
- sess = &dstate->d_sess;
-
- digest = digest_nid_to_cryptodev(to->digest->type);
-
- sess->mackey = dstate->dummy_mac_key;
- sess->mackeylen = digest_key_length(to->digest->type);
- sess->mac = digest;
-
- dstate->d_fd = get_dev_crypto();
-
- if (ioctl(dstate->d_fd, CIOCGSESSION, sess) < 0) {
- put_dev_crypto(dstate->d_fd);
- dstate->d_fd = -1;
- printf("cryptodev_digest_init: Open session failed\n");
- return (0);
- }
-
- dstate->mac_len = fstate->mac_len;
- if (fstate->mac_len != 0) {
- if (fstate->mac_data != NULL) {
- dstate->mac_data = OPENSSL_malloc(fstate->mac_len);
- if (dstate->mac_data == NULL) {
- printf("cryptodev_digest_init: malloc failed\n");
- return 0;
- }
- memcpy(dstate->mac_data, fstate->mac_data, fstate->mac_len);
- }
- }
-
- return 1;
-}
-
-const EVP_MD cryptodev_sha1 = {
- NID_sha1,
- NID_undef,
- SHA_DIGEST_LENGTH,
- EVP_MD_FLAG_ONESHOT,
- cryptodev_digest_init,
- cryptodev_digest_update,
- cryptodev_digest_final,
- cryptodev_digest_copy,
- cryptodev_digest_cleanup,
- EVP_PKEY_NULL_method,
- SHA_CBLOCK,
- sizeof(struct dev_crypto_state),
-};
-
-const EVP_MD cryptodev_md5 = {
- NID_md5,
- NID_undef,
- 16 /* MD5_DIGEST_LENGTH */ ,
- EVP_MD_FLAG_ONESHOT,
- cryptodev_digest_init,
- cryptodev_digest_update,
- cryptodev_digest_final,
- cryptodev_digest_copy,
- cryptodev_digest_cleanup,
- EVP_PKEY_NULL_method,
- 64 /* MD5_CBLOCK */ ,
- sizeof(struct dev_crypto_state),
+ int ret = 1;
+ struct dev_crypto_state *state = ctx->md_data;
+ struct session_op *sess = &state->d_sess;
+
+ if (state == NULL)
+ return 0;
+
+ if (state->d_fd < 0) {
+ printf("cryptodev_digest_cleanup: illegal input\n");
+ return (0);
+ }
+
+ if (state->mac_data) {
+ OPENSSL_free(state->mac_data);
+ state->mac_data = NULL;
+ state->mac_len = 0;
+ }
+
+ if (ioctl(state->d_fd, CIOCFSESSION, &sess->ses) < 0) {
+ printf("cryptodev_digest_cleanup: failed to close session\n");
+ ret = 0;
+ } else {
+ ret = 1;
+ }
+ put_dev_crypto(state->d_fd);
+ state->d_fd = -1;
+
+ return (ret);
+}
+
+static int cryptodev_digest_copy(EVP_MD_CTX *to,const EVP_MD_CTX *from)
+{
+ struct dev_crypto_state *fstate = from->md_data;
+ struct dev_crypto_state *dstate = to->md_data;
+ struct session_op *sess;
+ int digest;
+
+ if (dstate == NULL || fstate == NULL)
+ return 1;
+
+ memcpy(dstate, fstate, sizeof(struct dev_crypto_state));
+
+ sess = &dstate->d_sess;
+
+ digest = digest_nid_to_cryptodev(to->digest->type);
+
+ sess->mackey = NULL;
+ sess->mackeylen = 0;
+ sess->mac = digest;
+
+ dstate->d_fd = get_dev_crypto();
+
+ if (ioctl(dstate->d_fd, CIOCGSESSION, sess) < 0) {
+ put_dev_crypto(dstate->d_fd);
+ dstate->d_fd = -1;
+ printf("cryptodev_digest_copy: Open session failed\n");
+ return (0);
+ }
+
+ if (fstate->mac_len != 0) {
+ if (fstate->mac_data != NULL)
+ {
+ dstate->mac_data = OPENSSL_malloc(fstate->mac_len);
+ if (dstate->mac_data == NULL)
+ {
+ printf("cryptodev_digest_copy: mac_data allocation failed\n");
+ return (0);
+ }
+ memcpy(dstate->mac_data, fstate->mac_data, fstate->mac_len);
+ dstate->mac_len = fstate->mac_len;
+ }
+ }
+
+ return 1;
+}
+
+
+static const EVP_MD cryptodev_sha1 = {
+ NID_sha1,
+ NID_sha1WithRSAEncryption,
+ SHA_DIGEST_LENGTH,
+#if defined(EVP_MD_FLAG_PKEY_METHOD_SIGNATURE) && defined(EVP_MD_FLAG_DIGALGID_ABSENT)
+ EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|
+ EVP_MD_FLAG_DIGALGID_ABSENT|
+#endif
+ EVP_MD_FLAG_ONESHOT,
+ cryptodev_digest_init,
+ cryptodev_digest_update,
+ cryptodev_digest_final,
+ cryptodev_digest_copy,
+ cryptodev_digest_cleanup,
+ EVP_PKEY_RSA_method,
+ SHA_CBLOCK,
+ sizeof(EVP_MD *)+sizeof(struct dev_crypto_state),
};
-# endif /* USE_CRYPTODEV_DIGESTS */
+static const EVP_MD cryptodev_sha256 = {
+ NID_sha256,
+ NID_sha256WithRSAEncryption,
+ SHA256_DIGEST_LENGTH,
+#if defined(EVP_MD_FLAG_PKEY_METHOD_SIGNATURE) && defined(EVP_MD_FLAG_DIGALGID_ABSENT)
+ EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|
+ EVP_MD_FLAG_DIGALGID_ABSENT|
+#endif
+ EVP_MD_FLAG_ONESHOT,
+ cryptodev_digest_init,
+ cryptodev_digest_update,
+ cryptodev_digest_final,
+ cryptodev_digest_copy,
+ cryptodev_digest_cleanup,
+ EVP_PKEY_RSA_method,
+ SHA256_CBLOCK,
+ sizeof(EVP_MD *)+sizeof(struct dev_crypto_state),
+};
+static const EVP_MD cryptodev_sha224 = {
+ NID_sha224,
+ NID_sha224WithRSAEncryption,
+ SHA224_DIGEST_LENGTH,
+#if defined(EVP_MD_FLAG_PKEY_METHOD_SIGNATURE) && defined(EVP_MD_FLAG_DIGALGID_ABSENT)
+ EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|
+ EVP_MD_FLAG_DIGALGID_ABSENT|
+#endif
+ EVP_MD_FLAG_ONESHOT,
+ cryptodev_digest_init,
+ cryptodev_digest_update,
+ cryptodev_digest_final,
+ cryptodev_digest_copy,
+ cryptodev_digest_cleanup,
+ EVP_PKEY_RSA_method,
+ SHA256_CBLOCK,
+ sizeof(EVP_MD *)+sizeof(struct dev_crypto_state),
+};
+
+static const EVP_MD cryptodev_sha384 = {
+ NID_sha384,
+ NID_sha384WithRSAEncryption,
+ SHA384_DIGEST_LENGTH,
+#if defined(EVP_MD_FLAG_PKEY_METHOD_SIGNATURE) && defined(EVP_MD_FLAG_DIGALGID_ABSENT)
+ EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|
+ EVP_MD_FLAG_DIGALGID_ABSENT|
+#endif
+ EVP_MD_FLAG_ONESHOT,
+ cryptodev_digest_init,
+ cryptodev_digest_update,
+ cryptodev_digest_final,
+ cryptodev_digest_copy,
+ cryptodev_digest_cleanup,
+ EVP_PKEY_RSA_method,
+ SHA512_CBLOCK,
+ sizeof(EVP_MD *)+sizeof(struct dev_crypto_state),
+};
+
+static const EVP_MD cryptodev_sha512 = {
+ NID_sha512,
+ NID_sha512WithRSAEncryption,
+ SHA512_DIGEST_LENGTH,
+#if defined(EVP_MD_FLAG_PKEY_METHOD_SIGNATURE) && defined(EVP_MD_FLAG_DIGALGID_ABSENT)
+ EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|
+ EVP_MD_FLAG_DIGALGID_ABSENT|
+#endif
+ EVP_MD_FLAG_ONESHOT,
+ cryptodev_digest_init,
+ cryptodev_digest_update,
+ cryptodev_digest_final,
+ cryptodev_digest_copy,
+ cryptodev_digest_cleanup,
+ EVP_PKEY_RSA_method,
+ SHA512_CBLOCK,
+ sizeof(EVP_MD *)+sizeof(struct dev_crypto_state),
+};
+
+static const EVP_MD cryptodev_md5 = {
+ NID_md5,
+ NID_md5WithRSAEncryption,
+ 16 /* MD5_DIGEST_LENGTH */,
+#if defined(EVP_MD_FLAG_PKEY_METHOD_SIGNATURE) && defined(EVP_MD_FLAG_DIGALGID_ABSENT)
+ EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|
+ EVP_MD_FLAG_DIGALGID_ABSENT|
+#endif
+ EVP_MD_FLAG_ONESHOT,
+ cryptodev_digest_init,
+ cryptodev_digest_update,
+ cryptodev_digest_final,
+ cryptodev_digest_copy,
+ cryptodev_digest_cleanup,
+ EVP_PKEY_RSA_method,
+ 64 /* MD5_CBLOCK */,
+ sizeof(EVP_MD *)+sizeof(struct dev_crypto_state),
+};
+
+#endif /* USE_CRYPTODEV_DIGESTS */
+
static int
cryptodev_engine_digests(ENGINE *e, const EVP_MD **digest,
- const int **nids, int nid)
+ const int **nids, int nid)
{
- if (!digest)
- return (cryptodev_usable_digests(nids));
+ if (!digest)
+ return (cryptodev_usable_digests(nids));
- switch (nid) {
-# ifdef USE_CRYPTODEV_DIGESTS
- case NID_md5:
- *digest = &cryptodev_md5;
- break;
- case NID_sha1:
- *digest = &cryptodev_sha1;
- break;
- default:
-# endif /* USE_CRYPTODEV_DIGESTS */
- *digest = NULL;
- break;
- }
- return (*digest != NULL);
+ switch (nid) {
+#ifdef USE_CRYPTODEV_DIGESTS
+ case NID_md5:
+ *digest = &cryptodev_md5;
+ break;
+ case NID_sha1:
+ *digest = &cryptodev_sha1;
+ break;
+ case NID_sha224:
+ *digest = &cryptodev_sha224;
+ break;
+ case NID_sha256:
+ *digest = &cryptodev_sha256;
+ break;
+ case NID_sha384:
+ *digest = &cryptodev_sha384;
+ break;
+ case NID_sha512:
+ *digest = &cryptodev_sha512;
+ break;
+ default:
+#endif /* USE_CRYPTODEV_DIGESTS */
+ *digest = NULL;
+ break;
+ }
+ return (*digest != NULL);
}
/*
@@ -1011,434 +1084,420 @@
* Upon completion of use, the caller is responsible for freeing
* crp->crp_p.
*/
-static int bn2crparam(const BIGNUM *a, struct crparam *crp)
+static int
+bn2crparam(const BIGNUM *a, struct crparam *crp)
{
- int i, j, k;
- ssize_t bytes, bits;
- u_char *b;
-
- crp->crp_p = NULL;
- crp->crp_nbits = 0;
-
- bits = BN_num_bits(a);
- bytes = (bits + 7) / 8;
-
- b = malloc(bytes);
- if (b == NULL)
- return (1);
- memset(b, 0, bytes);
-
- crp->crp_p = (caddr_t) b;
- crp->crp_nbits = bits;
-
- for (i = 0, j = 0; i < a->top; i++) {
- for (k = 0; k < BN_BITS2 / 8; k++) {
- if ((j + k) >= bytes)
- return (0);
- b[j + k] = a->d[i] >> (k * 8);
- }
- j += BN_BITS2 / 8;
- }
- return (0);
+ int i, j, k;
+ ssize_t bytes, bits;
+ u_char *b;
+
+ crp->crp_p = NULL;
+ crp->crp_nbits = 0;
+
+ bits = BN_num_bits(a);
+ bytes = (bits + 7) / 8;
+
+ b = malloc(bytes);
+ if (b == NULL)
+ return (1);
+ memset(b, 0, bytes);
+
+ crp->crp_p = (void*) b;
+ crp->crp_nbits = bits;
+
+ for (i = 0, j = 0; i < a->top; i++) {
+ for (k = 0; k < BN_BITS2 / 8; k++) {
+ if ((j + k) >= bytes)
+ return (0);
+ b[j + k] = a->d[i] >> (k * 8);
+ }
+ j += BN_BITS2 / 8;
+ }
+ return (0);
}
/* Convert a /dev/crypto parameter to a BIGNUM */
-static int crparam2bn(struct crparam *crp, BIGNUM *a)
+static int
+crparam2bn(struct crparam *crp, BIGNUM *a)
{
- u_int8_t *pd;
- int i, bytes;
+ u_int8_t *pd;
+ int i, bytes;
- bytes = (crp->crp_nbits + 7) / 8;
+ bytes = (crp->crp_nbits + 7) / 8;
- if (bytes == 0)
- return (-1);
+ if (bytes == 0)
+ return (-1);
- if ((pd = (u_int8_t *) malloc(bytes)) == NULL)
- return (-1);
+ if ((pd = (u_int8_t *) malloc(bytes)) == NULL)
+ return (-1);
- for (i = 0; i < bytes; i++)
- pd[i] = crp->crp_p[bytes - i - 1];
+ for (i = 0; i < bytes; i++)
+ pd[i] = crp->crp_p[bytes - i - 1];
- BN_bin2bn(pd, bytes, a);
- free(pd);
+ BN_bin2bn(pd, bytes, a);
+ free(pd);
- return (0);
+ return (0);
}
-static void zapparams(struct crypt_kop *kop)
+static void
+zapparams(struct crypt_kop *kop)
{
- int i;
+ int i;
- for (i = 0; i < kop->crk_iparams + kop->crk_oparams; i++) {
- OPENSSL_free(kop->crk_param[i].crp_p);
- kop->crk_param[i].crp_p = NULL;
- kop->crk_param[i].crp_nbits = 0;
- }
+ for (i = 0; i < kop->crk_iparams + kop->crk_oparams; i++) {
+ if (kop->crk_param[i].crp_p)
+ free(kop->crk_param[i].crp_p);
+ kop->crk_param[i].crp_p = NULL;
+ kop->crk_param[i].crp_nbits = 0;
+ }
}
static int
-cryptodev_asym(struct crypt_kop *kop, int rlen, BIGNUM *r, int slen,
- BIGNUM *s)
+cryptodev_asym(struct crypt_kop *kop, int rlen, BIGNUM *r, int slen, BIGNUM *s)
{
- int fd, ret = -1;
-
- if ((fd = get_asym_dev_crypto()) < 0)
- return ret;
+ int fd, ret = -1;
- if (r) {
- kop->crk_param[kop->crk_iparams].crp_p = OPENSSL_malloc(rlen);
- if (kop->crk_param[kop->crk_iparams].crp_p == NULL)
- return ret;
- memset(kop->crk_param[kop->crk_iparams].crp_p, 0, (size_t)rlen);
- kop->crk_param[kop->crk_iparams].crp_nbits = rlen * 8;
- kop->crk_oparams++;
- }
- if (s) {
- kop->crk_param[kop->crk_iparams + 1].crp_p = OPENSSL_malloc(slen);
- /* No need to free the kop->crk_iparams parameter if it was allocated,
- * callers of this routine have to free allocated parameters through
- * zapparams both in case of success and failure
- */
- if (kop->crk_param[kop->crk_iparams+1].crp_p == NULL)
- return ret;
- memset(kop->crk_param[kop->crk_iparams + 1].crp_p, 0, (size_t)slen);
- kop->crk_param[kop->crk_iparams + 1].crp_nbits = slen * 8;
- kop->crk_oparams++;
- }
+ if ((fd = get_asym_dev_crypto()) < 0)
+ return (ret);
- if (ioctl(fd, CIOCKEY, kop) == 0) {
- if (r)
- crparam2bn(&kop->crk_param[kop->crk_iparams], r);
- if (s)
- crparam2bn(&kop->crk_param[kop->crk_iparams + 1], s);
- ret = 0;
- }
+ if (r) {
+ kop->crk_param[kop->crk_iparams].crp_p = calloc(rlen, sizeof(char));
+ kop->crk_param[kop->crk_iparams].crp_nbits = rlen * 8;
+ kop->crk_oparams++;
+ }
+ if (s) {
+ kop->crk_param[kop->crk_iparams+1].crp_p = calloc(slen, sizeof(char));
+ kop->crk_param[kop->crk_iparams+1].crp_nbits = slen * 8;
+ kop->crk_oparams++;
+ }
+
+ if (ioctl(fd, CIOCKEY, kop) == 0) {
+ if (r)
+ crparam2bn(&kop->crk_param[kop->crk_iparams], r);
+ if (s)
+ crparam2bn(&kop->crk_param[kop->crk_iparams+1], s);
+ ret = 0;
+ }
- return ret;
+ return (ret);
}
static int
cryptodev_bn_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
- const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
+ const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
{
- struct crypt_kop kop;
- int ret = 1;
+ struct crypt_kop kop;
+ int ret = 1;
- /*
- * Currently, we know we can do mod exp iff we can do any asymmetric
- * operations at all.
- */
- if (cryptodev_asymfeat == 0) {
- ret = BN_mod_exp(r, a, p, m, ctx);
- return (ret);
- }
-
- memset(&kop, 0, sizeof kop);
- kop.crk_op = CRK_MOD_EXP;
-
- /* inputs: a^p % m */
- if (bn2crparam(a, &kop.crk_param[0]))
- goto err;
- if (bn2crparam(p, &kop.crk_param[1]))
- goto err;
- if (bn2crparam(m, &kop.crk_param[2]))
- goto err;
- kop.crk_iparams = 3;
-
- if (cryptodev_asym(&kop, BN_num_bytes(m), r, 0, NULL)) {
- const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
- printf("OCF asym process failed, Running in software\n");
- ret = meth->bn_mod_exp(r, a, p, m, ctx, in_mont);
-
- } else if (ECANCELED == kop.crk_status) {
- const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
- printf("OCF hardware operation cancelled. Running in Software\n");
- ret = meth->bn_mod_exp(r, a, p, m, ctx, in_mont);
- }
- /* else cryptodev operation worked ok ==> ret = 1 */
-
- err:
- zapparams(&kop);
- return (ret);
+ /* Currently, we know we can do mod exp iff we can do any
+ * asymmetric operations at all.
+ */
+ if (cryptodev_asymfeat == 0) {
+ ret = BN_mod_exp(r, a, p, m, ctx);
+ return (ret);
+ }
+
+ memset(&kop, 0, sizeof kop);
+ kop.crk_op = CRK_MOD_EXP;
+
+ /* inputs: a^p % m */
+ if (bn2crparam(a, &kop.crk_param[0]))
+ goto err;
+ if (bn2crparam(p, &kop.crk_param[1]))
+ goto err;
+ if (bn2crparam(m, &kop.crk_param[2]))
+ goto err;
+ kop.crk_iparams = 3;
+
+ if (cryptodev_asym(&kop, BN_num_bytes(m), r, 0, NULL)) {
+ const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
+ printf("OCF asym process failed, Running in software\n");
+ ret = meth->bn_mod_exp(r, a, p, m, ctx, in_mont);
+
+ } else if (ECANCELED == kop.crk_status) {
+ const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
+ printf("OCF hardware operation cancelled. Running in Software\n");
+ ret = meth->bn_mod_exp(r, a, p, m, ctx, in_mont);
+ }
+ /* else cryptodev operation worked ok ==> ret = 1*/
+
+err:
+ zapparams(&kop);
+ return (ret);
}
static int
-cryptodev_rsa_nocrt_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa,
- BN_CTX *ctx)
-{
- int r;
- ctx = BN_CTX_new();
- r = cryptodev_bn_mod_exp(r0, I, rsa->d, rsa->n, ctx, NULL);
- BN_CTX_free(ctx);
- return (r);
+cryptodev_rsa_nocrt_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx)
+{
+ int r;
+ ctx = BN_CTX_new();
+ r = cryptodev_bn_mod_exp(r0, I, rsa->d, rsa->n, ctx, NULL);
+ BN_CTX_free(ctx);
+ return (r);
}
static int
cryptodev_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx)
{
- struct crypt_kop kop;
- int ret = 1;
+ struct crypt_kop kop;
+ int ret = 1;
- if (!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp) {
- /* XXX 0 means failure?? */
- return (0);
- }
-
- memset(&kop, 0, sizeof kop);
- kop.crk_op = CRK_MOD_EXP_CRT;
- /* inputs: rsa->p rsa->q I rsa->dmp1 rsa->dmq1 rsa->iqmp */
- if (bn2crparam(rsa->p, &kop.crk_param[0]))
- goto err;
- if (bn2crparam(rsa->q, &kop.crk_param[1]))
- goto err;
- if (bn2crparam(I, &kop.crk_param[2]))
- goto err;
- if (bn2crparam(rsa->dmp1, &kop.crk_param[3]))
- goto err;
- if (bn2crparam(rsa->dmq1, &kop.crk_param[4]))
- goto err;
- if (bn2crparam(rsa->iqmp, &kop.crk_param[5]))
- goto err;
- kop.crk_iparams = 6;
-
- if (cryptodev_asym(&kop, BN_num_bytes(rsa->n), r0, 0, NULL)) {
- const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
- printf("OCF asym process failed, running in Software\n");
- ret = (*meth->rsa_mod_exp) (r0, I, rsa, ctx);
-
- } else if (ECANCELED == kop.crk_status) {
- const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
- printf("OCF hardware operation cancelled. Running in Software\n");
- ret = (*meth->rsa_mod_exp) (r0, I, rsa, ctx);
- }
- /* else cryptodev operation worked ok ==> ret = 1 */
-
- err:
- zapparams(&kop);
- return (ret);
+ if (!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp) {
+ /* XXX 0 means failure?? */
+ return (0);
+ }
+
+ memset(&kop, 0, sizeof kop);
+ kop.crk_op = CRK_MOD_EXP_CRT;
+ /* inputs: rsa->p rsa->q I rsa->dmp1 rsa->dmq1 rsa->iqmp */
+ if (bn2crparam(rsa->p, &kop.crk_param[0]))
+ goto err;
+ if (bn2crparam(rsa->q, &kop.crk_param[1]))
+ goto err;
+ if (bn2crparam(I, &kop.crk_param[2]))
+ goto err;
+ if (bn2crparam(rsa->dmp1, &kop.crk_param[3]))
+ goto err;
+ if (bn2crparam(rsa->dmq1, &kop.crk_param[4]))
+ goto err;
+ if (bn2crparam(rsa->iqmp, &kop.crk_param[5]))
+ goto err;
+ kop.crk_iparams = 6;
+
+ if (cryptodev_asym(&kop, BN_num_bytes(rsa->n), r0, 0, NULL)) {
+ const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
+ printf("OCF asym process failed, running in Software\n");
+ ret = (*meth->rsa_mod_exp)(r0, I, rsa, ctx);
+
+ } else if (ECANCELED == kop.crk_status) {
+ const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
+ printf("OCF hardware operation cancelled. Running in Software\n");
+ ret = (*meth->rsa_mod_exp)(r0, I, rsa, ctx);
+ }
+ /* else cryptodev operation worked ok ==> ret = 1*/
+
+err:
+ zapparams(&kop);
+ return (ret);
}
static RSA_METHOD cryptodev_rsa = {
- "cryptodev RSA method",
- NULL, /* rsa_pub_enc */
- NULL, /* rsa_pub_dec */
- NULL, /* rsa_priv_enc */
- NULL, /* rsa_priv_dec */
- NULL,
- NULL,
- NULL, /* init */
- NULL, /* finish */
- 0, /* flags */
- NULL, /* app_data */
- NULL, /* rsa_sign */
- NULL /* rsa_verify */
+ "cryptodev RSA method",
+ NULL, /* rsa_pub_enc */
+ NULL, /* rsa_pub_dec */
+ NULL, /* rsa_priv_enc */
+ NULL, /* rsa_priv_dec */
+ NULL,
+ NULL,
+ NULL, /* init */
+ NULL, /* finish */
+ 0, /* flags */
+ NULL, /* app_data */
+ NULL, /* rsa_sign */
+ NULL /* rsa_verify */
};
static int
cryptodev_dsa_bn_mod_exp(DSA *dsa, BIGNUM *r, BIGNUM *a, const BIGNUM *p,
- const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
+ const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
{
- return (cryptodev_bn_mod_exp(r, a, p, m, ctx, m_ctx));
+ return (cryptodev_bn_mod_exp(r, a, p, m, ctx, m_ctx));
}
static int
cryptodev_dsa_dsa_mod_exp(DSA *dsa, BIGNUM *t1, BIGNUM *g,
- BIGNUM *u1, BIGNUM *pub_key, BIGNUM *u2, BIGNUM *p,
- BN_CTX *ctx, BN_MONT_CTX *mont)
+ BIGNUM *u1, BIGNUM *pub_key, BIGNUM *u2, BIGNUM *p,
+ BN_CTX *ctx, BN_MONT_CTX *mont)
{
- BIGNUM t2;
- int ret = 0;
+ BIGNUM t2;
+ int ret = 0;
- BN_init(&t2);
+ BN_init(&t2);
- /* v = ( g^u1 * y^u2 mod p ) mod q */
- /* let t1 = g ^ u1 mod p */
- ret = 0;
-
- if (!dsa->meth->bn_mod_exp(dsa, t1, dsa->g, u1, dsa->p, ctx, mont))
- goto err;
-
- /* let t2 = y ^ u2 mod p */
- if (!dsa->meth->bn_mod_exp(dsa, &t2, dsa->pub_key, u2, dsa->p, ctx, mont))
- goto err;
- /* let u1 = t1 * t2 mod p */
- if (!BN_mod_mul(u1, t1, &t2, dsa->p, ctx))
- goto err;
-
- BN_copy(t1, u1);
-
- ret = 1;
- err:
- BN_free(&t2);
- return (ret);
-}
-
-static DSA_SIG *cryptodev_dsa_do_sign(const unsigned char *dgst, int dlen,
- DSA *dsa)
-{
- struct crypt_kop kop;
- BIGNUM *r = NULL, *s = NULL;
- DSA_SIG *dsaret = NULL;
-
- if ((r = BN_new()) == NULL)
- goto err;
- if ((s = BN_new()) == NULL) {
- BN_free(r);
- goto err;
- }
-
- memset(&kop, 0, sizeof kop);
- kop.crk_op = CRK_DSA_SIGN;
-
- /* inputs: dgst dsa->p dsa->q dsa->g dsa->priv_key */
- kop.crk_param[0].crp_p = (caddr_t) dgst;
- kop.crk_param[0].crp_nbits = dlen * 8;
- if (bn2crparam(dsa->p, &kop.crk_param[1]))
- goto err;
- if (bn2crparam(dsa->q, &kop.crk_param[2]))
- goto err;
- if (bn2crparam(dsa->g, &kop.crk_param[3]))
- goto err;
- if (bn2crparam(dsa->priv_key, &kop.crk_param[4]))
- goto err;
- kop.crk_iparams = 5;
-
- if (cryptodev_asym(&kop, BN_num_bytes(dsa->q), r,
- BN_num_bytes(dsa->q), s) == 0) {
- dsaret = DSA_SIG_new();
- if (dsaret == NULL)
- goto err;
- dsaret->r = r;
- dsaret->s = s;
- r = s = NULL;
- } else {
- const DSA_METHOD *meth = DSA_OpenSSL();
- dsaret = (meth->dsa_do_sign) (dgst, dlen, dsa);
- }
- err:
- BN_free(r);
- BN_free(s);
- kop.crk_param[0].crp_p = NULL;
- zapparams(&kop);
- return (dsaret);
+ /* v = ( g^u1 * y^u2 mod p ) mod q */
+ /* let t1 = g ^ u1 mod p */
+ ret = 0;
+
+ if (!dsa->meth->bn_mod_exp(dsa,t1,dsa->g,u1,dsa->p,ctx,mont))
+ goto err;
+
+ /* let t2 = y ^ u2 mod p */
+ if (!dsa->meth->bn_mod_exp(dsa,&t2,dsa->pub_key,u2,dsa->p,ctx,mont))
+ goto err;
+ /* let u1 = t1 * t2 mod p */
+ if (!BN_mod_mul(u1,t1,&t2,dsa->p,ctx))
+ goto err;
+
+ BN_copy(t1,u1);
+
+ ret = 1;
+err:
+ BN_free(&t2);
+ return(ret);
+}
+
+static DSA_SIG *
+cryptodev_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa)
+{
+ struct crypt_kop kop;
+ BIGNUM *r = NULL, *s = NULL;
+ DSA_SIG *dsaret = NULL;
+
+ if ((r = BN_new()) == NULL)
+ goto err;
+ if ((s = BN_new()) == NULL) {
+ BN_free(r);
+ goto err;
+ }
+
+ memset(&kop, 0, sizeof kop);
+ kop.crk_op = CRK_DSA_SIGN;
+
+ /* inputs: dgst dsa->p dsa->q dsa->g dsa->priv_key */
+ kop.crk_param[0].crp_p = (void*)dgst;
+ kop.crk_param[0].crp_nbits = dlen * 8;
+ if (bn2crparam(dsa->p, &kop.crk_param[1]))
+ goto err;
+ if (bn2crparam(dsa->q, &kop.crk_param[2]))
+ goto err;
+ if (bn2crparam(dsa->g, &kop.crk_param[3]))
+ goto err;
+ if (bn2crparam(dsa->priv_key, &kop.crk_param[4]))
+ goto err;
+ kop.crk_iparams = 5;
+
+ if (cryptodev_asym(&kop, BN_num_bytes(dsa->q), r,
+ BN_num_bytes(dsa->q), s) == 0) {
+ dsaret = DSA_SIG_new();
+ dsaret->r = r;
+ dsaret->s = s;
+ } else {
+ const DSA_METHOD *meth = DSA_OpenSSL();
+ BN_free(r);
+ BN_free(s);
+ dsaret = (meth->dsa_do_sign)(dgst, dlen, dsa);
+ }
+err:
+ kop.crk_param[0].crp_p = NULL;
+ zapparams(&kop);
+ return (dsaret);
}
static int
cryptodev_dsa_verify(const unsigned char *dgst, int dlen,
- DSA_SIG *sig, DSA *dsa)
+ DSA_SIG *sig, DSA *dsa)
{
- struct crypt_kop kop;
- int dsaret = 1;
+ struct crypt_kop kop;
+ int dsaret = 1;
- memset(&kop, 0, sizeof kop);
- kop.crk_op = CRK_DSA_VERIFY;
+ memset(&kop, 0, sizeof kop);
+ kop.crk_op = CRK_DSA_VERIFY;
- /* inputs: dgst dsa->p dsa->q dsa->g dsa->pub_key sig->r sig->s */
- kop.crk_param[0].crp_p = (caddr_t) dgst;
- kop.crk_param[0].crp_nbits = dlen * 8;
- if (bn2crparam(dsa->p, &kop.crk_param[1]))
- goto err;
- if (bn2crparam(dsa->q, &kop.crk_param[2]))
- goto err;
- if (bn2crparam(dsa->g, &kop.crk_param[3]))
- goto err;
- if (bn2crparam(dsa->pub_key, &kop.crk_param[4]))
- goto err;
- if (bn2crparam(sig->r, &kop.crk_param[5]))
- goto err;
- if (bn2crparam(sig->s, &kop.crk_param[6]))
- goto err;
- kop.crk_iparams = 7;
-
- if (cryptodev_asym(&kop, 0, NULL, 0, NULL) == 0) {
- /*
- * OCF success value is 0, if not zero, change dsaret to fail
- */
- if (0 != kop.crk_status)
- dsaret = 0;
- } else {
- const DSA_METHOD *meth = DSA_OpenSSL();
-
- dsaret = (meth->dsa_do_verify) (dgst, dlen, sig, dsa);
- }
- err:
- kop.crk_param[0].crp_p = NULL;
- zapparams(&kop);
- return (dsaret);
+ /* inputs: dgst dsa->p dsa->q dsa->g dsa->pub_key sig->r sig->s */
+ kop.crk_param[0].crp_p = (void*)dgst;
+ kop.crk_param[0].crp_nbits = dlen * 8;
+ if (bn2crparam(dsa->p, &kop.crk_param[1]))
+ goto err;
+ if (bn2crparam(dsa->q, &kop.crk_param[2]))
+ goto err;
+ if (bn2crparam(dsa->g, &kop.crk_param[3]))
+ goto err;
+ if (bn2crparam(dsa->pub_key, &kop.crk_param[4]))
+ goto err;
+ if (bn2crparam(sig->r, &kop.crk_param[5]))
+ goto err;
+ if (bn2crparam(sig->s, &kop.crk_param[6]))
+ goto err;
+ kop.crk_iparams = 7;
+
+ if (cryptodev_asym(&kop, 0, NULL, 0, NULL) == 0) {
+/*OCF success value is 0, if not zero, change dsaret to fail*/
+ if(0 != kop.crk_status) dsaret = 0;
+ } else {
+ const DSA_METHOD *meth = DSA_OpenSSL();
+
+ dsaret = (meth->dsa_do_verify)(dgst, dlen, sig, dsa);
+ }
+err:
+ kop.crk_param[0].crp_p = NULL;
+ zapparams(&kop);
+ return (dsaret);
}
static DSA_METHOD cryptodev_dsa = {
- "cryptodev DSA method",
- NULL,
- NULL, /* dsa_sign_setup */
- NULL,
- NULL, /* dsa_mod_exp */
- NULL,
- NULL, /* init */
- NULL, /* finish */
- 0, /* flags */
- NULL /* app_data */
+ "cryptodev DSA method",
+ NULL,
+ NULL, /* dsa_sign_setup */
+ NULL,
+ NULL, /* dsa_mod_exp */
+ NULL,
+ NULL, /* init */
+ NULL, /* finish */
+ 0, /* flags */
+ NULL /* app_data */
};
static int
cryptodev_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
- const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
- BN_MONT_CTX *m_ctx)
+ const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+ BN_MONT_CTX *m_ctx)
{
- return (cryptodev_bn_mod_exp(r, a, p, m, ctx, m_ctx));
+ return (cryptodev_bn_mod_exp(r, a, p, m, ctx, m_ctx));
}
static int
cryptodev_dh_compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh)
{
- struct crypt_kop kop;
- int dhret = 1;
- int fd, keylen;
-
- if ((fd = get_asym_dev_crypto()) < 0) {
- const DH_METHOD *meth = DH_OpenSSL();
-
- return ((meth->compute_key) (key, pub_key, dh));
- }
-
- keylen = BN_num_bits(dh->p);
-
- memset(&kop, 0, sizeof kop);
- kop.crk_op = CRK_DH_COMPUTE_KEY;
-
- /* inputs: dh->priv_key pub_key dh->p key */
- if (bn2crparam(dh->priv_key, &kop.crk_param[0]))
- goto err;
- if (bn2crparam(pub_key, &kop.crk_param[1]))
- goto err;
- if (bn2crparam(dh->p, &kop.crk_param[2]))
- goto err;
- kop.crk_iparams = 3;
-
- kop.crk_param[3].crp_p = (caddr_t) key;
- kop.crk_param[3].crp_nbits = keylen * 8;
- kop.crk_oparams = 1;
-
- if (ioctl(fd, CIOCKEY, &kop) == -1) {
- const DH_METHOD *meth = DH_OpenSSL();
-
- dhret = (meth->compute_key) (key, pub_key, dh);
- }
- err:
- kop.crk_param[3].crp_p = NULL;
- zapparams(&kop);
- return (dhret);
+ struct crypt_kop kop;
+ int dhret = 1;
+ int fd, keylen;
+
+ if ((fd = get_asym_dev_crypto()) < 0) {
+ const DH_METHOD *meth = DH_OpenSSL();
+
+ return ((meth->compute_key)(key, pub_key, dh));
+ }
+
+ keylen = BN_num_bits(dh->p);
+
+ memset(&kop, 0, sizeof kop);
+ kop.crk_op = CRK_DH_COMPUTE_KEY;
+
+ /* inputs: dh->priv_key pub_key dh->p key */
+ if (bn2crparam(dh->priv_key, &kop.crk_param[0]))
+ goto err;
+ if (bn2crparam(pub_key, &kop.crk_param[1]))
+ goto err;
+ if (bn2crparam(dh->p, &kop.crk_param[2]))
+ goto err;
+ kop.crk_iparams = 3;
+
+ kop.crk_param[3].crp_p = (void*) key;
+ kop.crk_param[3].crp_nbits = keylen;
+ kop.crk_oparams = 1;
+ dhret = keylen/8;
+
+ if (ioctl(fd, CIOCKEY, &kop) == -1) {
+ const DH_METHOD *meth = DH_OpenSSL();
+
+ dhret = (meth->compute_key)(key, pub_key, dh);
+ }
+err:
+ kop.crk_param[3].crp_p = NULL;
+ zapparams(&kop);
+ return (dhret);
}
static DH_METHOD cryptodev_dh = {
- "cryptodev DH method",
- NULL, /* cryptodev_dh_generate_key */
- NULL,
- NULL,
- NULL,
- NULL,
- 0, /* flags */
- NULL /* app_data */
+ "cryptodev DH method",
+ NULL, /* cryptodev_dh_generate_key */
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ 0, /* flags */
+ NULL /* app_data */
};
/*
@@ -1446,104 +1505,109 @@
* but I expect we'll want some options soon.
*/
static int
-cryptodev_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void))
+cryptodev_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
{
-# ifdef HAVE_SYSLOG_R
- struct syslog_data sd = SYSLOG_DATA_INIT;
-# endif
+#ifdef HAVE_SYSLOG_R
+ struct syslog_data sd = SYSLOG_DATA_INIT;
+#endif
- switch (cmd) {
- default:
-# ifdef HAVE_SYSLOG_R
- syslog_r(LOG_ERR, &sd, "cryptodev_ctrl: unknown command %d", cmd);
-# else
- syslog(LOG_ERR, "cryptodev_ctrl: unknown command %d", cmd);
-# endif
- break;
- }
- return (1);
-}
-
-void ENGINE_load_cryptodev(void)
-{
- ENGINE *engine = ENGINE_new();
- int fd;
-
- if (engine == NULL)
- return;
- if ((fd = get_dev_crypto()) < 0) {
- ENGINE_free(engine);
- return;
- }
-
- /*
- * find out what asymmetric crypto algorithms we support
- */
- if (ioctl(fd, CIOCASYMFEAT, &cryptodev_asymfeat) == -1) {
- put_dev_crypto(fd);
- ENGINE_free(engine);
- return;
- }
- put_dev_crypto(fd);
-
- if (!ENGINE_set_id(engine, "cryptodev") ||
- !ENGINE_set_name(engine, "BSD cryptodev engine") ||
- !ENGINE_set_ciphers(engine, cryptodev_engine_ciphers) ||
- !ENGINE_set_digests(engine, cryptodev_engine_digests) ||
- !ENGINE_set_ctrl_function(engine, cryptodev_ctrl) ||
- !ENGINE_set_cmd_defns(engine, cryptodev_defns)) {
- ENGINE_free(engine);
- return;
- }
-
- if (ENGINE_set_RSA(engine, &cryptodev_rsa)) {
- const RSA_METHOD *rsa_meth = RSA_PKCS1_SSLeay();
-
- cryptodev_rsa.bn_mod_exp = rsa_meth->bn_mod_exp;
- cryptodev_rsa.rsa_mod_exp = rsa_meth->rsa_mod_exp;
- cryptodev_rsa.rsa_pub_enc = rsa_meth->rsa_pub_enc;
- cryptodev_rsa.rsa_pub_dec = rsa_meth->rsa_pub_dec;
- cryptodev_rsa.rsa_priv_enc = rsa_meth->rsa_priv_enc;
- cryptodev_rsa.rsa_priv_dec = rsa_meth->rsa_priv_dec;
- if (cryptodev_asymfeat & CRF_MOD_EXP) {
- cryptodev_rsa.bn_mod_exp = cryptodev_bn_mod_exp;
- if (cryptodev_asymfeat & CRF_MOD_EXP_CRT)
- cryptodev_rsa.rsa_mod_exp = cryptodev_rsa_mod_exp;
- else
- cryptodev_rsa.rsa_mod_exp = cryptodev_rsa_nocrt_mod_exp;
- }
- }
-
- if (ENGINE_set_DSA(engine, &cryptodev_dsa)) {
- const DSA_METHOD *meth = DSA_OpenSSL();
-
- memcpy(&cryptodev_dsa, meth, sizeof(DSA_METHOD));
- if (cryptodev_asymfeat & CRF_DSA_SIGN)
- cryptodev_dsa.dsa_do_sign = cryptodev_dsa_do_sign;
- if (cryptodev_asymfeat & CRF_MOD_EXP) {
- cryptodev_dsa.bn_mod_exp = cryptodev_dsa_bn_mod_exp;
- cryptodev_dsa.dsa_mod_exp = cryptodev_dsa_dsa_mod_exp;
- }
- if (cryptodev_asymfeat & CRF_DSA_VERIFY)
- cryptodev_dsa.dsa_do_verify = cryptodev_dsa_verify;
- }
-
- if (ENGINE_set_DH(engine, &cryptodev_dh)) {
- const DH_METHOD *dh_meth = DH_OpenSSL();
-
- cryptodev_dh.generate_key = dh_meth->generate_key;
- cryptodev_dh.compute_key = dh_meth->compute_key;
- cryptodev_dh.bn_mod_exp = dh_meth->bn_mod_exp;
- if (cryptodev_asymfeat & CRF_MOD_EXP) {
- cryptodev_dh.bn_mod_exp = cryptodev_mod_exp_dh;
- if (cryptodev_asymfeat & CRF_DH_COMPUTE_KEY)
- cryptodev_dh.compute_key = cryptodev_dh_compute_key;
- }
- }
-
- ENGINE_add(engine);
- ENGINE_free(engine);
- ERR_clear_error();
+ switch (cmd) {
+ default:
+#ifdef HAVE_SYSLOG_R
+ syslog_r(LOG_ERR, &sd,
+ "cryptodev_ctrl: unknown command %d", cmd);
+#else
+ syslog(LOG_ERR, "cryptodev_ctrl: unknown command %d", cmd);
+#endif
+ break;
+ }
+ return (1);
+}
+
+void
+ENGINE_load_cryptodev(void)
+{
+ ENGINE *engine = ENGINE_new();
+ int fd;
+
+ if (engine == NULL)
+ return;
+ if ((fd = get_dev_crypto()) < 0) {
+ ENGINE_free(engine);
+ return;
+ }
+
+ /*
+ * find out what asymmetric crypto algorithms we support
+ */
+ if (ioctl(fd, CIOCASYMFEAT, &cryptodev_asymfeat) == -1) {
+ put_dev_crypto(fd);
+ ENGINE_free(engine);
+ return;
+ }
+ put_dev_crypto(fd);
+
+ if (!ENGINE_set_id(engine, "cryptodev") ||
+ !ENGINE_set_name(engine, "cryptodev engine") ||
+ !ENGINE_set_ciphers(engine, cryptodev_engine_ciphers) ||
+ !ENGINE_set_digests(engine, cryptodev_engine_digests) ||
+ !ENGINE_set_ctrl_function(engine, cryptodev_ctrl) ||
+ !ENGINE_set_cmd_defns(engine, cryptodev_defns)) {
+ ENGINE_free(engine);
+ return;
+ }
+
+ if (ENGINE_set_RSA(engine, &cryptodev_rsa)) {
+ const RSA_METHOD *rsa_meth = RSA_PKCS1_SSLeay();
+
+ cryptodev_rsa.bn_mod_exp = rsa_meth->bn_mod_exp;
+ cryptodev_rsa.rsa_mod_exp = rsa_meth->rsa_mod_exp;
+ cryptodev_rsa.rsa_pub_enc = rsa_meth->rsa_pub_enc;
+ cryptodev_rsa.rsa_pub_dec = rsa_meth->rsa_pub_dec;
+ cryptodev_rsa.rsa_priv_enc = rsa_meth->rsa_priv_enc;
+ cryptodev_rsa.rsa_priv_dec = rsa_meth->rsa_priv_dec;
+ if (cryptodev_asymfeat & CRF_MOD_EXP) {
+ cryptodev_rsa.bn_mod_exp = cryptodev_bn_mod_exp;
+ if (cryptodev_asymfeat & CRF_MOD_EXP_CRT)
+ cryptodev_rsa.rsa_mod_exp =
+ cryptodev_rsa_mod_exp;
+ else
+ cryptodev_rsa.rsa_mod_exp =
+ cryptodev_rsa_nocrt_mod_exp;
+ }
+ }
+
+ if (ENGINE_set_DSA(engine, &cryptodev_dsa)) {
+ const DSA_METHOD *meth = DSA_OpenSSL();
+
+ memcpy(&cryptodev_dsa, meth, sizeof(DSA_METHOD));
+ if (cryptodev_asymfeat & CRF_DSA_SIGN)
+ cryptodev_dsa.dsa_do_sign = cryptodev_dsa_do_sign;
+ if (cryptodev_asymfeat & CRF_MOD_EXP) {
+ cryptodev_dsa.bn_mod_exp = cryptodev_dsa_bn_mod_exp;
+ cryptodev_dsa.dsa_mod_exp = cryptodev_dsa_dsa_mod_exp;
+ }
+ if (cryptodev_asymfeat & CRF_DSA_VERIFY)
+ cryptodev_dsa.dsa_do_verify = cryptodev_dsa_verify;
+ }
+
+ if (ENGINE_set_DH(engine, &cryptodev_dh)){
+ const DH_METHOD *dh_meth = DH_OpenSSL();
+
+ cryptodev_dh.generate_key = dh_meth->generate_key;
+ cryptodev_dh.compute_key = dh_meth->compute_key;
+ cryptodev_dh.bn_mod_exp = dh_meth->bn_mod_exp;
+ if (cryptodev_asymfeat & CRF_MOD_EXP) {
+ cryptodev_dh.bn_mod_exp = cryptodev_mod_exp_dh;
+ if (cryptodev_asymfeat & CRF_DH_COMPUTE_KEY)
+ cryptodev_dh.compute_key =
+ cryptodev_dh_compute_key;
+ }
+ }
+
+ ENGINE_add(engine);
+ ENGINE_free(engine);
+ ERR_clear_error();
}
-#endif /* HAVE_CRYPTODEV */
+#endif /* HAVE_CRYPTODEV */
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