struct dev_crypto_state {
struct session_op d_sess;
int d_fd;
+
+#ifdef USE_CRYPTODEV_DIGESTS
+ char dummy_mac_key[20];
+
+ unsigned char digest_res[20];
+ char *mac_data;
+ int mac_len;
+
+ int copy;
+#endif
};
static u_int32_t cryptodev_asymfeat = 0;
static struct {
int id;
int nid;
+ int keylen;
} digests[] = {
- { CRYPTO_SHA1_HMAC, NID_hmacWithSHA1, },
- { CRYPTO_RIPEMD160_HMAC, NID_ripemd160, },
- { CRYPTO_MD5_KPDK, NID_undef, },
- { CRYPTO_SHA1_KPDK, NID_undef, },
- { CRYPTO_MD5, NID_md5, },
- { CRYPTO_SHA1, NID_undef, },
- { 0, NID_undef, },
+ { 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},
};
/*
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)
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
*/
*nids = NULL;
return (0);
+#endif
}
static int
return (*cipher != NULL);
}
+
+#ifdef USE_CRYPTODEV_DIGESTS
+
+/* convert digest type to cryptodev */
+static int
+digest_nid_to_cryptodev(int nid)
+{
+ int i;
+
+ 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) {
+ close(state->d_fd);
+ state->d_fd = -1;
+ printf("cryptodev_digest_init: Open session failed\n");
+ return (0);
+ }
+
+ return (1);
+}
+
+static int cryptodev_digest_update(EVP_MD_CTX *ctx, const void *data,
+ 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 */
+ state->mac_data = OPENSSL_realloc(state->mac_data, state->mac_len + count);
+
+ if (!state->mac_data) {
+ printf("cryptodev_digest_update: realloc failed\n");
+ return (0);
+ }
+
+ 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 = 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 = md;
+
+ if (ioctl(state->d_fd, CIOCCRYPT, &cryp) < 0) {
+ printf("cryptodev_digest_final: digest failed\n");
+ return (0);
+ }
+
+ return 1;
+ }
+
+ memcpy(md, state->digest_res, ctx->digest->md_size);
+
+ return (ret);
+}
+
+
+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->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 (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);
+ 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;
+
+ memcpy(dstate, fstate, sizeof(struct dev_crypto_state));
+
+ if (fstate->mac_len != 0) {
+ dstate->mac_data = OPENSSL_malloc(fstate->mac_len);
+ memcpy(dstate->mac_data, fstate->mac_data, fstate->mac_len);
+ }
+
+ dstate->copy = 1;
+
+ 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),
+};
+
+#endif /* USE_CRYPTODEV_DIGESTS */
+
+
static int
cryptodev_engine_digests(ENGINE *e, const EVP_MD **digest,
const int **nids, int nid)
return (cryptodev_usable_digests(nids));
switch (nid) {
+#ifdef USE_CRYPTODEV_DIGESTS
case NID_md5:
- *digest = NULL; /* need to make a clean md5 critter */
+ *digest = &cryptodev_md5;
break;
+ case NID_sha1:
+ *digest = &cryptodev_sha1;
+ break;
default:
+#endif /* USE_CRYPTODEV_DIGESTS */
*digest = NULL;
break;
}
projects / oweals / openssl.git / commitdiff