diff options
Diffstat (limited to 'openssl/crypto/engine/eng_cryptodev.c')
| -rw-r--r-- | openssl/crypto/engine/eng_cryptodev.c | 71 |
1 files changed, 51 insertions, 20 deletions
diff --git a/openssl/crypto/engine/eng_cryptodev.c b/openssl/crypto/engine/eng_cryptodev.c index 52f4ca390..5a715aca4 100644 --- a/openssl/crypto/engine/eng_cryptodev.c +++ b/openssl/crypto/engine/eng_cryptodev.c @@ -79,8 +79,6 @@ struct dev_crypto_state { unsigned char digest_res[HASH_MAX_LEN]; char *mac_data; int mac_len; - - int copy; #endif }; @@ -200,6 +198,7 @@ get_dev_crypto(void) if ((fd = open_dev_crypto()) == -1) return (-1); +#ifndef CRIOGET_NOT_NEEDED if (ioctl(fd, CRIOGET, &retfd) == -1) return (-1); @@ -208,9 +207,19 @@ get_dev_crypto(void) close(retfd); return (-1); } +#else + retfd = fd; +#endif return (retfd); } +static void put_dev_crypto(int fd) +{ +#ifndef CRIOGET_NOT_NEEDED + close(fd); +#endif +} + /* Caching version for asym operations */ static int get_asym_dev_crypto(void) @@ -252,7 +261,7 @@ get_cryptodev_ciphers(const int **cnids) ioctl(fd, CIOCFSESSION, &sess.ses) != -1) nids[count++] = ciphers[i].nid; } - close(fd); + put_dev_crypto(fd); if (count > 0) *cnids = nids; @@ -291,7 +300,7 @@ get_cryptodev_digests(const int **cnids) ioctl(fd, CIOCFSESSION, &sess.ses) != -1) nids[count++] = digests[i].nid; } - close(fd); + put_dev_crypto(fd); if (count > 0) *cnids = nids; @@ -436,7 +445,7 @@ cryptodev_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, sess->cipher = cipher; if (ioctl(state->d_fd, CIOCGSESSION, sess) == -1) { - close(state->d_fd); + put_dev_crypto(state->d_fd); state->d_fd = -1; return (0); } @@ -473,7 +482,7 @@ cryptodev_cleanup(EVP_CIPHER_CTX *ctx) } else { ret = 1; } - close(state->d_fd); + put_dev_crypto(state->d_fd); state->d_fd = -1; return (ret); @@ -686,7 +695,7 @@ static int cryptodev_digest_init(EVP_MD_CTX *ctx) sess->mac = digest; if (ioctl(state->d_fd, CIOCGSESSION, sess) < 0) { - close(state->d_fd); + put_dev_crypto(state->d_fd); state->d_fd = -1; printf("cryptodev_digest_init: Open session failed\n"); return (0); @@ -758,14 +767,12 @@ static int cryptodev_digest_final(EVP_MD_CTX *ctx, unsigned char *md) 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); @@ -786,6 +793,9 @@ static int cryptodev_digest_cleanup(EVP_MD_CTX *ctx) 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); @@ -797,16 +807,13 @@ static int cryptodev_digest_cleanup(EVP_MD_CTX *ctx) state->mac_len = 0; } - if (state->copy) - return 1; - if (ioctl(state->d_fd, CIOCFSESSION, &sess->ses) < 0) { printf("cryptodev_digest_cleanup: failed to close session\n"); ret = 0; } else { ret = 1; } - close(state->d_fd); + put_dev_crypto(state->d_fd); state->d_fd = -1; return (ret); @@ -816,15 +823,39 @@ 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; - memcpy(dstate, fstate, sizeof(struct dev_crypto_state)); + if (dstate == NULL || fstate == NULL) + return 1; - if (fstate->mac_len != 0) { - dstate->mac_data = OPENSSL_malloc(fstate->mac_len); - memcpy(dstate->mac_data, fstate->mac_data, fstate->mac_len); + 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->copy = 1; + if (fstate->mac_len != 0) { + if (fstate->mac_data != NULL) + { + dstate->mac_data = OPENSSL_malloc(fstate->mac_len); + memcpy(dstate->mac_data, fstate->mac_data, fstate->mac_len); + dstate->mac_len = fstate->mac_len; + } + } return 1; } @@ -1347,11 +1378,11 @@ ENGINE_load_cryptodev(void) * find out what asymmetric crypto algorithms we support */ if (ioctl(fd, CIOCASYMFEAT, &cryptodev_asymfeat) == -1) { - close(fd); + put_dev_crypto(fd); ENGINE_free(engine); return; } - close(fd); + put_dev_crypto(fd); if (!ENGINE_set_id(engine, "cryptodev") || !ENGINE_set_name(engine, "BSD cryptodev engine") || |