Index: openssl/crypto/engine/eng_cryptodev.c |
diff --git a/openssl/crypto/engine/eng_cryptodev.c b/openssl/crypto/engine/eng_cryptodev.c |
deleted file mode 100644 |
index 5a715aca4f265103343a23ece243924a18560273..0000000000000000000000000000000000000000 |
--- a/openssl/crypto/engine/eng_cryptodev.c |
+++ /dev/null |
@@ -1,1450 +0,0 @@ |
-/* |
- * Copyright (c) 2002 Bob Beck <beck@openbsd.org> |
- * Copyright (c) 2002 Theo de Raadt |
- * Copyright (c) 2002 Markus Friedl |
- * All rights reserved. |
- * |
- * Redistribution and use in source and binary forms, with or without |
- * modification, are permitted provided that the following conditions |
- * are met: |
- * 1. Redistributions of source code must retain the above copyright |
- * notice, this list of conditions and the following disclaimer. |
- * 2. Redistributions in binary form must reproduce the above copyright |
- * notice, this list of conditions and the following disclaimer in the |
- * documentation and/or other materials provided with the distribution. |
- * |
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY |
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
- * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY |
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
- * |
- */ |
- |
-#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> |
-# if (OpenBSD >= 200112) || ((__FreeBSD_version >= 470101 && __FreeBSD_version < 500000) || __FreeBSD_version >= 500041) |
-# define HAVE_CRYPTODEV |
-# endif |
-# if (OpenBSD >= 200110) |
-# define HAVE_SYSLOG_R |
-# endif |
-#endif |
- |
-#ifndef HAVE_CRYPTODEV |
- |
-void |
-ENGINE_load_cryptodev(void) |
-{ |
- /* This is a NOP on platforms without /dev/crypto */ |
- return; |
-} |
- |
-#else |
- |
-#include <sys/types.h> |
-#include <crypto/cryptodev.h> |
-#include <crypto/dh/dh.h> |
-#include <crypto/dsa/dsa.h> |
-#include <crypto/err/err.h> |
-#include <crypto/rsa/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 |
-}; |
- |
-static u_int32_t cryptodev_asymfeat = 0; |
- |
-static int get_asym_dev_crypto(void); |
-static int open_dev_crypto(void); |
-static int get_dev_crypto(void); |
-static int get_cryptodev_ciphers(const int **cnids); |
-#ifdef USE_CRYPTODEV_DIGESTS |
-static int get_cryptodev_digests(const int **cnids); |
-#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); |
-static int cryptodev_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, |
- 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); |
-static int cryptodev_engine_digests(ENGINE *e, const EVP_MD **digest, |
- 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); |
- |
-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); |
-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); |
-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); |
-static int cryptodev_dsa_verify(const unsigned char *dgst, int dgst_len, |
- 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); |
-static int cryptodev_ctrl(ENGINE *e, int cmd, long i, void *p, |
- void (*f)(void)); |
-void ENGINE_load_cryptodev(void); |
- |
-static const ENGINE_CMD_DEFN cryptodev_defns[] = { |
- { 0, NULL, NULL, 0 } |
-}; |
- |
-static struct { |
- 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, }, |
- { 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 |
-static struct { |
- int id; |
- int nid; |
- int keylen; |
-} 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}, |
-}; |
-#endif |
- |
-/* |
- * Return a fd if /dev/crypto seems usable, 0 otherwise. |
- */ |
-static int |
-open_dev_crypto(void) |
-{ |
- 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); |
-} |
- |
-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) |
-{ |
- static int fd = -1; |
- |
- if (fd == -1) |
- fd = get_dev_crypto(); |
- return fd; |
-} |
- |
-/* |
- * Find out what ciphers /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_ciphers routine |
- */ |
-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); |
-} |
- |
-#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 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); |
-} |
-#endif /* 0 */ |
- |
-/* |
- * Find the useable ciphers|digests from dev/crypto - this is the first |
- * thing called by the engine init crud which determines what it |
- * can use for ciphers from this engine. We want to return |
- * only what we can do, anythine else is handled by software. |
- * |
- * If we can't initialize the device to do anything useful for |
- * any reason, we want to return a NULL array, and 0 length, |
- * which forces everything to be done is software. By putting |
- * the initalization of the device in here, we ensure we can |
- * use this engine as the default, and if for whatever reason |
- * /dev/crypto won't do what we want it will just be done in |
- * software |
- * |
- * This can (should) be greatly expanded to perhaps take into |
- * account speed of the device, and what we want to do. |
- * (although the disabling of particular alg's could be controlled |
- * by the device driver with sysctl's.) - this is where we |
- * want most of the decisions made about what we actually want |
- * to use from /dev/crypto. |
- */ |
-static int |
-cryptodev_usable_ciphers(const int **nids) |
-{ |
- return (get_cryptodev_ciphers(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 |
-} |
- |
-static int |
-cryptodev_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, |
- 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); |
-} |
- |
-static int |
-cryptodev_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, |
- 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); |
-} |
- |
-/* |
- * free anything we allocated earlier when initting a |
- * session, and close the session. |
- */ |
-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; |
- |
- return (ret); |
-} |
- |
-/* |
- * libcrypto EVP stuff - this is how we get wired to EVP so the engine |
- * gets called when libcrypto requests a cipher NID. |
- */ |
- |
-/* 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 |
-}; |
- |
-/* 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 |
-}; |
- |
-/* 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 |
-}; |
- |
-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 |
-}; |
- |
-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 |
-}; |
- |
-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 |
-}; |
- |
-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 |
-}; |
- |
-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 |
-}; |
- |
-/* |
- * 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 |
- * top level - note, that list is restricted by what we answer with |
- */ |
-static int |
-cryptodev_engine_ciphers(ENGINE *e, const EVP_CIPHER **cipher, |
- const int **nids, int nid) |
-{ |
- 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; |
- default: |
- *cipher = NULL; |
- break; |
- } |
- 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) { |
- put_dev_crypto(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 = (caddr_t) 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); |
- } |
- |
- 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 == 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); |
- } |
- |
- 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; |
-} |
- |
- |
-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) |
-{ |
- 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); |
-} |
- |
-/* |
- * Convert a BIGNUM to the representation that /dev/crypto needs. |
- * Upon completion of use, the caller is responsible for freeing |
- * crp->crp_p. |
- */ |
-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); |
-} |
- |
-/* Convert a /dev/crypto parameter to a BIGNUM */ |
-static int |
-crparam2bn(struct crparam *crp, BIGNUM *a) |
-{ |
- u_int8_t *pd; |
- int i, bytes; |
- |
- bytes = (crp->crp_nbits + 7) / 8; |
- |
- if (bytes == 0) |
- 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]; |
- |
- BN_bin2bn(pd, bytes, a); |
- free(pd); |
- |
- return (0); |
-} |
- |
-static void |
-zapparams(struct crypt_kop *kop) |
-{ |
- int i; |
- |
- 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) |
-{ |
- int fd, ret = -1; |
- |
- if ((fd = get_asym_dev_crypto()) < 0) |
- return (ret); |
- |
- 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); |
-} |
- |
-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) |
-{ |
- 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); |
-} |
- |
-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); |
-} |
- |
-static int |
-cryptodev_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx) |
-{ |
- 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); |
-} |
- |
-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 */ |
-}; |
- |
-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) |
-{ |
- 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 t2; |
- int ret = 0; |
- |
- 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(); |
- 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) |
-{ |
- struct crypt_kop kop; |
- int dsaret = 1; |
- |
- 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); |
-} |
- |
-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 */ |
-}; |
- |
-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) |
-{ |
- 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); |
-} |
- |
-static DH_METHOD cryptodev_dh = { |
- "cryptodev DH method", |
- NULL, /* cryptodev_dh_generate_key */ |
- NULL, |
- NULL, |
- NULL, |
- NULL, |
- 0, /* flags */ |
- NULL /* app_data */ |
-}; |
- |
-/* |
- * ctrl right now is just a wrapper that doesn't do much |
- * but I expect we'll want some options soon. |
- */ |
-static int |
-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 |
- |
- 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(); |
-} |
- |
-#endif /* HAVE_CRYPTODEV */ |