X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=engines%2Fe_ossltest.c;h=1284742ec321ede14d8a451b3a2c98ba6200183b;hp=02c3c58570d50fb12ac790ae60d8c51418e6c9ea;hb=HEAD;hpb=6e59a892db781658c050e5217127c4147c116ac9 diff --git a/engines/e_ossltest.c b/engines/e_ossltest.c index 02c3c58570..19dda64d1f 100644 --- a/engines/e_ossltest.c +++ b/engines/e_ossltest.c @@ -1,54 +1,10 @@ -/* engines/e_ossltest.c */ /* - * Written by Matt Caswell (matt@openssl.org) for the OpenSSL project. - */ -/* ==================================================================== - * Copyright (c) 2015 The OpenSSL Project. 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. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * licensing@OpenSSL.org. + * Copyright 2015-2021 The OpenSSL Project Authors. All Rights Reserved. * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED 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 OpenSSL PROJECT OR - * ITS 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. - * ==================================================================== + * Licensed under the Apache License 2.0 (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ /* @@ -57,8 +13,21 @@ * used for any purpose except testing */ +/* We need to use some engine deprecated APIs */ +#define OPENSSL_SUPPRESS_DEPRECATED + +/* + * SHA low level APIs are deprecated for public use, but still ok for + * internal use. Note, that due to symbols not being exported, only the + * #defines and type definitions can be accessed, function calls are not + * available. The digest lengths, block sizes and sizeof(CTX) are used herein + * for several different digests. + */ +#include "internal/deprecated.h" + #include #include +#include "internal/common.h" /* for CHECK_AND_SKIP_CASE_PREFIX */ #include #include @@ -67,8 +36,11 @@ #include #include #include +#include +#include +#include +#include -#define OSSLTEST_LIB_NAME "OSSLTEST" #include "e_ossltest_err.c" /* Engine Id and Name */ @@ -86,10 +58,7 @@ void ENGINE_load_ossltest(void); /* Set up digests */ static int ossltest_digests(ENGINE *e, const EVP_MD **digest, const int **nids, int nid); - -static int ossltest_digest_nids[] = { - NID_md5, NID_sha1, NID_sha256, NID_sha384, NID_sha512, 0 -}; +static const RAND_METHOD *ossltest_rand_method(void); /* MD5 */ static int digest_md5_init(EVP_MD_CTX *ctx); @@ -97,19 +66,28 @@ static int digest_md5_update(EVP_MD_CTX *ctx, const void *data, size_t count); static int digest_md5_final(EVP_MD_CTX *ctx, unsigned char *md); -static const EVP_MD digest_md5 = { - NID_md5, - NID_md5WithRSAEncryption, - MD5_DIGEST_LENGTH, - 0, - digest_md5_init, - digest_md5_update, - digest_md5_final, - NULL, - NULL, - MD5_CBLOCK, - sizeof(EVP_MD *) + sizeof(MD5_CTX), -}; +static EVP_MD *_hidden_md5_md = NULL; +static const EVP_MD *digest_md5(void) +{ + if (_hidden_md5_md == NULL) { + EVP_MD *md; + + if ((md = EVP_MD_meth_new(NID_md5, NID_md5WithRSAEncryption)) == NULL + || !EVP_MD_meth_set_result_size(md, MD5_DIGEST_LENGTH) + || !EVP_MD_meth_set_input_blocksize(md, MD5_CBLOCK) + || !EVP_MD_meth_set_app_datasize(md, + sizeof(EVP_MD *) + sizeof(MD5_CTX)) + || !EVP_MD_meth_set_flags(md, 0) + || !EVP_MD_meth_set_init(md, digest_md5_init) + || !EVP_MD_meth_set_update(md, digest_md5_update) + || !EVP_MD_meth_set_final(md, digest_md5_final)) { + EVP_MD_meth_free(md); + md = NULL; + } + _hidden_md5_md = md; + } + return _hidden_md5_md; +} /* SHA1 */ static int digest_sha1_init(EVP_MD_CTX *ctx); @@ -117,19 +95,28 @@ static int digest_sha1_update(EVP_MD_CTX *ctx, const void *data, size_t count); static int digest_sha1_final(EVP_MD_CTX *ctx, unsigned char *md); -static const EVP_MD digest_sha1 = { - NID_sha1, - NID_sha1WithRSAEncryption, - SHA_DIGEST_LENGTH, - EVP_MD_FLAG_DIGALGID_ABSENT, - digest_sha1_init, - digest_sha1_update, - digest_sha1_final, - NULL, - NULL, - SHA_CBLOCK, - sizeof(EVP_MD *) + sizeof(SHA_CTX), -}; +static EVP_MD *_hidden_sha1_md = NULL; +static const EVP_MD *digest_sha1(void) +{ + if (_hidden_sha1_md == NULL) { + EVP_MD *md; + + if ((md = EVP_MD_meth_new(NID_sha1, NID_sha1WithRSAEncryption)) == NULL + || !EVP_MD_meth_set_result_size(md, SHA_DIGEST_LENGTH) + || !EVP_MD_meth_set_input_blocksize(md, SHA_CBLOCK) + || !EVP_MD_meth_set_app_datasize(md, + sizeof(EVP_MD *) + sizeof(SHA_CTX)) + || !EVP_MD_meth_set_flags(md, EVP_MD_FLAG_DIGALGID_ABSENT) + || !EVP_MD_meth_set_init(md, digest_sha1_init) + || !EVP_MD_meth_set_update(md, digest_sha1_update) + || !EVP_MD_meth_set_final(md, digest_sha1_final)) { + EVP_MD_meth_free(md); + md = NULL; + } + _hidden_sha1_md = md; + } + return _hidden_sha1_md; +} /* SHA256 */ static int digest_sha256_init(EVP_MD_CTX *ctx); @@ -137,83 +124,289 @@ static int digest_sha256_update(EVP_MD_CTX *ctx, const void *data, size_t count); static int digest_sha256_final(EVP_MD_CTX *ctx, unsigned char *md); -static const EVP_MD digest_sha256 = { - NID_sha256, - NID_sha256WithRSAEncryption, - SHA256_DIGEST_LENGTH, - EVP_MD_FLAG_DIGALGID_ABSENT, - digest_sha256_init, - digest_sha256_update, - digest_sha256_final, - NULL, - NULL, - SHA256_CBLOCK, - sizeof(EVP_MD *) + sizeof(SHA256_CTX), -}; +static EVP_MD *_hidden_sha256_md = NULL; +static const EVP_MD *digest_sha256(void) +{ + if (_hidden_sha256_md == NULL) { + EVP_MD *md; + + if ((md = EVP_MD_meth_new(NID_sha256, NID_sha256WithRSAEncryption)) == NULL + || !EVP_MD_meth_set_result_size(md, SHA256_DIGEST_LENGTH) + || !EVP_MD_meth_set_input_blocksize(md, SHA256_CBLOCK) + || !EVP_MD_meth_set_app_datasize(md, + sizeof(EVP_MD *) + sizeof(SHA256_CTX)) + || !EVP_MD_meth_set_flags(md, EVP_MD_FLAG_DIGALGID_ABSENT) + || !EVP_MD_meth_set_init(md, digest_sha256_init) + || !EVP_MD_meth_set_update(md, digest_sha256_update) + || !EVP_MD_meth_set_final(md, digest_sha256_final)) { + EVP_MD_meth_free(md); + md = NULL; + } + _hidden_sha256_md = md; + } + return _hidden_sha256_md; +} /* SHA384/SHA512 */ static int digest_sha384_init(EVP_MD_CTX *ctx); +static int digest_sha384_update(EVP_MD_CTX *ctx, const void *data, + size_t count); +static int digest_sha384_final(EVP_MD_CTX *ctx, unsigned char *md); + static int digest_sha512_init(EVP_MD_CTX *ctx); static int digest_sha512_update(EVP_MD_CTX *ctx, const void *data, size_t count); -static int digest_sha384_final(EVP_MD_CTX *ctx, unsigned char *md); static int digest_sha512_final(EVP_MD_CTX *ctx, unsigned char *md); -static const EVP_MD digest_sha384 = { - NID_sha384, - NID_sha384WithRSAEncryption, - SHA384_DIGEST_LENGTH, - EVP_MD_FLAG_DIGALGID_ABSENT, - digest_sha384_init, - digest_sha512_update, - digest_sha384_final, - NULL, - NULL, - SHA512_CBLOCK, - sizeof(EVP_MD *) + sizeof(SHA512_CTX), -}; - -static const EVP_MD digest_sha512 = { - NID_sha512, - NID_sha512WithRSAEncryption, - SHA512_DIGEST_LENGTH, - EVP_MD_FLAG_DIGALGID_ABSENT, - digest_sha512_init, - digest_sha512_update, - digest_sha512_final, - NULL, - NULL, - SHA512_CBLOCK, - sizeof(EVP_MD *) + sizeof(SHA512_CTX), -}; +static EVP_MD *_hidden_sha384_md = NULL; +static const EVP_MD *digest_sha384(void) +{ + if (_hidden_sha384_md == NULL) { + EVP_MD *md; + + if ((md = EVP_MD_meth_new(NID_sha384, NID_sha384WithRSAEncryption)) == NULL + || !EVP_MD_meth_set_result_size(md, SHA384_DIGEST_LENGTH) + || !EVP_MD_meth_set_input_blocksize(md, SHA512_CBLOCK) + || !EVP_MD_meth_set_app_datasize(md, + sizeof(EVP_MD *) + sizeof(SHA512_CTX)) + || !EVP_MD_meth_set_flags(md, EVP_MD_FLAG_DIGALGID_ABSENT) + || !EVP_MD_meth_set_init(md, digest_sha384_init) + || !EVP_MD_meth_set_update(md, digest_sha384_update) + || !EVP_MD_meth_set_final(md, digest_sha384_final)) { + EVP_MD_meth_free(md); + md = NULL; + } + _hidden_sha384_md = md; + } + return _hidden_sha384_md; +} +static EVP_MD *_hidden_sha512_md = NULL; +static const EVP_MD *digest_sha512(void) +{ + if (_hidden_sha512_md == NULL) { + EVP_MD *md; + + if ((md = EVP_MD_meth_new(NID_sha512, NID_sha512WithRSAEncryption)) == NULL + || !EVP_MD_meth_set_result_size(md, SHA512_DIGEST_LENGTH) + || !EVP_MD_meth_set_input_blocksize(md, SHA512_CBLOCK) + || !EVP_MD_meth_set_app_datasize(md, + sizeof(EVP_MD *) + sizeof(SHA512_CTX)) + || !EVP_MD_meth_set_flags(md, EVP_MD_FLAG_DIGALGID_ABSENT) + || !EVP_MD_meth_set_init(md, digest_sha512_init) + || !EVP_MD_meth_set_update(md, digest_sha512_update) + || !EVP_MD_meth_set_final(md, digest_sha512_final)) { + EVP_MD_meth_free(md); + md = NULL; + } + _hidden_sha512_md = md; + } + return _hidden_sha512_md; +} +static void destroy_digests(void) +{ + EVP_MD_meth_free(_hidden_md5_md); + _hidden_md5_md = NULL; + EVP_MD_meth_free(_hidden_sha1_md); + _hidden_sha1_md = NULL; + EVP_MD_meth_free(_hidden_sha256_md); + _hidden_sha256_md = NULL; + EVP_MD_meth_free(_hidden_sha384_md); + _hidden_sha384_md = NULL; + EVP_MD_meth_free(_hidden_sha512_md); + _hidden_sha512_md = NULL; +} +static int ossltest_digest_nids(const int **nids) +{ + static int digest_nids[6] = { 0, 0, 0, 0, 0, 0 }; + static int pos = 0; + static int init = 0; + + if (!init) { + const EVP_MD *md; + if ((md = digest_md5()) != NULL) + digest_nids[pos++] = EVP_MD_get_type(md); + if ((md = digest_sha1()) != NULL) + digest_nids[pos++] = EVP_MD_get_type(md); + if ((md = digest_sha256()) != NULL) + digest_nids[pos++] = EVP_MD_get_type(md); + if ((md = digest_sha384()) != NULL) + digest_nids[pos++] = EVP_MD_get_type(md); + if ((md = digest_sha512()) != NULL) + digest_nids[pos++] = EVP_MD_get_type(md); + digest_nids[pos] = 0; + init = 1; + } + *nids = digest_nids; + return pos; +} /* Setup ciphers */ static int ossltest_ciphers(ENGINE *, const EVP_CIPHER **, const int **, int); static int ossltest_cipher_nids[] = { - NID_aes_128_cbc, 0 + NID_aes_128_cbc, NID_aes_128_gcm, + NID_aes_128_cbc_hmac_sha1, 0 }; /* AES128 */ -int ossltest_aes128_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv, int enc); -int ossltest_aes128_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, size_t inl); - -static const EVP_CIPHER ossltest_aes_128_cbc = { \ - NID_aes_128_cbc, - 16, /* block size */ - 16, /* key len */ - 16, /* iv len */ - EVP_CIPH_FLAG_DEFAULT_ASN1 | EVP_CIPH_CBC_MODE, - ossltest_aes128_init_key, - ossltest_aes128_cbc_cipher, - NULL, - 0, /* We don't know the size of cipher_data at compile time */ - NULL,NULL,NULL,NULL -}; +static int ossltest_aes128_init_key(EVP_CIPHER_CTX *ctx, + const unsigned char *key, + const unsigned char *iv, int enc); +static int ossltest_aes128_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t inl); +static int ossltest_aes128_gcm_init_key(EVP_CIPHER_CTX *ctx, + const unsigned char *key, + const unsigned char *iv, int enc); +static int ossltest_aes128_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t inl); +static int ossltest_aes128_gcm_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, + void *ptr); +static int ossltest_aes128_cbc_hmac_sha1_init_key(EVP_CIPHER_CTX *ctx, + const unsigned char *key, + const unsigned char *iv, + int enc); +static int ossltest_aes128_cbc_hmac_sha1_cipher(EVP_CIPHER_CTX *ctx, + unsigned char *out, + const unsigned char *in, + size_t inl); +static int ossltest_aes128_cbc_hmac_sha1_ctrl(EVP_CIPHER_CTX *ctx, int type, + int arg, void *ptr); + +typedef struct { + size_t payload_length; /* AAD length in decrypt case */ + unsigned int tls_ver; +} EVP_AES_HMAC_SHA1; + +static EVP_CIPHER *_hidden_aes_128_cbc = NULL; +static const EVP_CIPHER *ossltest_aes_128_cbc(void) +{ + if (_hidden_aes_128_cbc == NULL + && ((_hidden_aes_128_cbc = EVP_CIPHER_meth_new(NID_aes_128_cbc, + 16 /* block size */, + 16 /* key len */)) == NULL + || !EVP_CIPHER_meth_set_iv_length(_hidden_aes_128_cbc,16) + || !EVP_CIPHER_meth_set_flags(_hidden_aes_128_cbc, + EVP_CIPH_FLAG_DEFAULT_ASN1 + | EVP_CIPH_CBC_MODE) + || !EVP_CIPHER_meth_set_init(_hidden_aes_128_cbc, + ossltest_aes128_init_key) + || !EVP_CIPHER_meth_set_do_cipher(_hidden_aes_128_cbc, + ossltest_aes128_cbc_cipher) + || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_aes_128_cbc, + EVP_CIPHER_impl_ctx_size(EVP_aes_128_cbc())))) { + EVP_CIPHER_meth_free(_hidden_aes_128_cbc); + _hidden_aes_128_cbc = NULL; + } + return _hidden_aes_128_cbc; +} + +static EVP_CIPHER *_hidden_aes_128_gcm = NULL; + +#define AES_GCM_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \ + | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \ + | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \ + | EVP_CIPH_CUSTOM_COPY |EVP_CIPH_FLAG_AEAD_CIPHER \ + | EVP_CIPH_GCM_MODE) + +static const EVP_CIPHER *ossltest_aes_128_gcm(void) +{ + if (_hidden_aes_128_gcm == NULL + && ((_hidden_aes_128_gcm = EVP_CIPHER_meth_new(NID_aes_128_gcm, + 1 /* block size */, + 16 /* key len */)) == NULL + || !EVP_CIPHER_meth_set_iv_length(_hidden_aes_128_gcm,12) + || !EVP_CIPHER_meth_set_flags(_hidden_aes_128_gcm, AES_GCM_FLAGS) + || !EVP_CIPHER_meth_set_init(_hidden_aes_128_gcm, + ossltest_aes128_gcm_init_key) + || !EVP_CIPHER_meth_set_do_cipher(_hidden_aes_128_gcm, + ossltest_aes128_gcm_cipher) + || !EVP_CIPHER_meth_set_ctrl(_hidden_aes_128_gcm, + ossltest_aes128_gcm_ctrl) + || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_aes_128_gcm, + EVP_CIPHER_impl_ctx_size(EVP_aes_128_gcm())))) { + EVP_CIPHER_meth_free(_hidden_aes_128_gcm); + _hidden_aes_128_gcm = NULL; + } + return _hidden_aes_128_gcm; +} + +static EVP_CIPHER *_hidden_aes_128_cbc_hmac_sha1 = NULL; + +static const EVP_CIPHER *ossltest_aes_128_cbc_hmac_sha1(void) +{ + if (_hidden_aes_128_cbc_hmac_sha1 == NULL + && ((_hidden_aes_128_cbc_hmac_sha1 + = EVP_CIPHER_meth_new(NID_aes_128_cbc_hmac_sha1, + 16 /* block size */, + 16 /* key len */)) == NULL + || !EVP_CIPHER_meth_set_iv_length(_hidden_aes_128_cbc_hmac_sha1,16) + || !EVP_CIPHER_meth_set_flags(_hidden_aes_128_cbc_hmac_sha1, + EVP_CIPH_CBC_MODE | EVP_CIPH_FLAG_DEFAULT_ASN1 | + EVP_CIPH_FLAG_AEAD_CIPHER) + || !EVP_CIPHER_meth_set_init(_hidden_aes_128_cbc_hmac_sha1, + ossltest_aes128_cbc_hmac_sha1_init_key) + || !EVP_CIPHER_meth_set_do_cipher(_hidden_aes_128_cbc_hmac_sha1, + ossltest_aes128_cbc_hmac_sha1_cipher) + || !EVP_CIPHER_meth_set_ctrl(_hidden_aes_128_cbc_hmac_sha1, + ossltest_aes128_cbc_hmac_sha1_ctrl) + || !EVP_CIPHER_meth_set_set_asn1_params(_hidden_aes_128_cbc_hmac_sha1, + EVP_CIPH_FLAG_DEFAULT_ASN1 ? NULL : EVP_CIPHER_set_asn1_iv) + || !EVP_CIPHER_meth_set_get_asn1_params(_hidden_aes_128_cbc_hmac_sha1, + EVP_CIPH_FLAG_DEFAULT_ASN1 ? NULL : EVP_CIPHER_get_asn1_iv) + || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_aes_128_cbc_hmac_sha1, + sizeof(EVP_AES_HMAC_SHA1)))) { + EVP_CIPHER_meth_free(_hidden_aes_128_cbc_hmac_sha1); + _hidden_aes_128_cbc_hmac_sha1 = NULL; + } + return _hidden_aes_128_cbc_hmac_sha1; +} + +static void destroy_ciphers(void) +{ + EVP_CIPHER_meth_free(_hidden_aes_128_cbc); + EVP_CIPHER_meth_free(_hidden_aes_128_gcm); + EVP_CIPHER_meth_free(_hidden_aes_128_cbc_hmac_sha1); + _hidden_aes_128_cbc = NULL; + _hidden_aes_128_gcm = NULL; + _hidden_aes_128_cbc_hmac_sha1 = NULL; +} + +/* Key loading */ +static EVP_PKEY *load_key(ENGINE *eng, const char *key_id, int pub, + UI_METHOD *ui_method, void *ui_data) +{ + BIO *in; + EVP_PKEY *key; + + if (!CHECK_AND_SKIP_CASE_PREFIX(key_id, "ot:")) + return NULL; + + fprintf(stderr, "[ossltest]Loading %s key %s\n", + pub ? "Public" : "Private", key_id); + in = BIO_new_file(key_id, "r"); + if (!in) + return NULL; + if (pub) + key = PEM_read_bio_PUBKEY(in, NULL, 0, NULL); + else + key = PEM_read_bio_PrivateKey(in, NULL, 0, NULL); + BIO_free(in); + return key; +} + +static EVP_PKEY *ossltest_load_privkey(ENGINE *eng, const char *key_id, + UI_METHOD *ui_method, void *ui_data) +{ + return load_key(eng, key_id, 0, ui_method, ui_data); +} + +static EVP_PKEY *ossltest_load_pubkey(ENGINE *eng, const char *key_id, + UI_METHOD *ui_method, void *ui_data) +{ + return load_key(eng, key_id, 1, ui_method, ui_data); +} static int bind_ossltest(ENGINE *e) @@ -225,7 +418,10 @@ static int bind_ossltest(ENGINE *e) || !ENGINE_set_name(e, engine_ossltest_name) || !ENGINE_set_digests(e, ossltest_digests) || !ENGINE_set_ciphers(e, ossltest_ciphers) + || !ENGINE_set_RAND(e, ossltest_rand_method()) || !ENGINE_set_destroy_function(e, ossltest_destroy) + || !ENGINE_set_load_privkey_function(e, ossltest_load_privkey) + || !ENGINE_set_load_pubkey_function(e, ossltest_load_pubkey) || !ENGINE_set_init_function(e, ossltest_init) || !ENGINE_set_finish_function(e, ossltest_finish)) { OSSLTESTerr(OSSLTEST_F_BIND_OSSLTEST, OSSLTEST_R_INIT_FAILED); @@ -287,6 +483,8 @@ static int ossltest_finish(ENGINE *e) static int ossltest_destroy(ENGINE *e) { + destroy_digests(); + destroy_ciphers(); ERR_unload_OSSLTEST_strings(); return 1; } @@ -297,26 +495,24 @@ static int ossltest_digests(ENGINE *e, const EVP_MD **digest, int ok = 1; if (!digest) { /* We are returning a list of supported nids */ - *nids = ossltest_digest_nids; - return (sizeof(ossltest_digest_nids) - - 1) / sizeof(ossltest_digest_nids[0]); + return ossltest_digest_nids(nids); } /* We are being asked for a specific digest */ switch (nid) { case NID_md5: - *digest = &digest_md5; + *digest = digest_md5(); break; case NID_sha1: - *digest = &digest_sha1; + *digest = digest_sha1(); break; case NID_sha256: - *digest = &digest_sha256; + *digest = digest_sha256(); break; case NID_sha384: - *digest = &digest_sha384; + *digest = digest_sha384(); break; case NID_sha512: - *digest = &digest_sha512; + *digest = digest_sha512(); break; default: ok = 0; @@ -339,7 +535,13 @@ static int ossltest_ciphers(ENGINE *e, const EVP_CIPHER **cipher, /* We are being asked for a specific cipher */ switch (nid) { case NID_aes_128_cbc: - *cipher = &ossltest_aes_128_cbc; + *cipher = ossltest_aes_128_cbc(); + break; + case NID_aes_128_gcm: + *cipher = ossltest_aes_128_gcm(); + break; + case NID_aes_128_cbc_hmac_sha1: + *cipher = ossltest_aes_128_cbc_hmac_sha1(); break; default: ok = 0; @@ -364,23 +566,20 @@ static void fill_known_data(unsigned char *md, unsigned int len) * value, so that all "MD5" digests using the test engine always end up with * the same value. */ -#undef data -#define data(ctx) ((MD5_CTX *)EVP_MD_CTX_md_data(ctx)) static int digest_md5_init(EVP_MD_CTX *ctx) { - return MD5_Init(data(ctx)); + return EVP_MD_meth_get_init(EVP_md5())(ctx); } static int digest_md5_update(EVP_MD_CTX *ctx, const void *data, size_t count) { - return MD5_Update(data(ctx), data, (size_t)count); + return EVP_MD_meth_get_update(EVP_md5())(ctx, data, count); } static int digest_md5_final(EVP_MD_CTX *ctx, unsigned char *md) { - int ret; - ret = MD5_Final(md, data(ctx)); + int ret = EVP_MD_meth_get_final(EVP_md5())(ctx, md); if (ret > 0) { fill_known_data(md, MD5_DIGEST_LENGTH); @@ -391,23 +590,20 @@ static int digest_md5_final(EVP_MD_CTX *ctx, unsigned char *md) /* * SHA1 implementation. */ -#undef data -#define data(ctx) ((SHA_CTX *)EVP_MD_CTX_md_data(ctx)) static int digest_sha1_init(EVP_MD_CTX *ctx) { - return SHA1_Init(data(ctx)); + return EVP_MD_meth_get_init(EVP_sha1())(ctx); } static int digest_sha1_update(EVP_MD_CTX *ctx, const void *data, size_t count) { - return SHA1_Update(data(ctx), data, (size_t)count); + return EVP_MD_meth_get_update(EVP_sha1())(ctx, data, count); } static int digest_sha1_final(EVP_MD_CTX *ctx, unsigned char *md) { - int ret; - ret = SHA1_Final(md, data(ctx)); + int ret = EVP_MD_meth_get_final(EVP_sha1())(ctx, md); if (ret > 0) { fill_known_data(md, SHA_DIGEST_LENGTH); @@ -418,23 +614,20 @@ static int digest_sha1_final(EVP_MD_CTX *ctx, unsigned char *md) /* * SHA256 implementation. */ -#undef data -#define data(ctx) ((SHA256_CTX *)EVP_MD_CTX_md_data(ctx)) static int digest_sha256_init(EVP_MD_CTX *ctx) { - return SHA256_Init(data(ctx)); + return EVP_MD_meth_get_init(EVP_sha256())(ctx); } static int digest_sha256_update(EVP_MD_CTX *ctx, const void *data, size_t count) { - return SHA256_Update(data(ctx), data, (size_t)count); + return EVP_MD_meth_get_update(EVP_sha256())(ctx, data, count); } static int digest_sha256_final(EVP_MD_CTX *ctx, unsigned char *md) { - int ret; - ret = SHA256_Final(md, data(ctx)); + int ret = EVP_MD_meth_get_final(EVP_sha256())(ctx, md); if (ret > 0) { fill_known_data(md, SHA256_DIGEST_LENGTH); @@ -443,31 +636,22 @@ static int digest_sha256_final(EVP_MD_CTX *ctx, unsigned char *md) } /* - * SHA384/512 implementation. + * SHA384 implementation. */ -#undef data -#define data(ctx) ((SHA512_CTX *)EVP_MD_CTX_md_data(ctx)) static int digest_sha384_init(EVP_MD_CTX *ctx) { - return SHA384_Init(data(ctx)); -} - -static int digest_sha512_init(EVP_MD_CTX *ctx) -{ - return SHA512_Init(data(ctx)); + return EVP_MD_meth_get_init(EVP_sha384())(ctx); } -static int digest_sha512_update(EVP_MD_CTX *ctx, const void *data, +static int digest_sha384_update(EVP_MD_CTX *ctx, const void *data, size_t count) { - return SHA512_Update(data(ctx), data, (size_t)count); + return EVP_MD_meth_get_update(EVP_sha384())(ctx, data, count); } static int digest_sha384_final(EVP_MD_CTX *ctx, unsigned char *md) { - int ret; - /* Actually uses SHA512_Final! */ - ret = SHA512_Final(md, data(ctx)); + int ret = EVP_MD_meth_get_final(EVP_sha384())(ctx, md); if (ret > 0) { fill_known_data(md, SHA384_DIGEST_LENGTH); @@ -475,10 +659,23 @@ static int digest_sha384_final(EVP_MD_CTX *ctx, unsigned char *md) return ret; } +/* + * SHA512 implementation. + */ +static int digest_sha512_init(EVP_MD_CTX *ctx) +{ + return EVP_MD_meth_get_init(EVP_sha512())(ctx); +} + +static int digest_sha512_update(EVP_MD_CTX *ctx, const void *data, + size_t count) +{ + return EVP_MD_meth_get_update(EVP_sha512())(ctx, data, count); +} + static int digest_sha512_final(EVP_MD_CTX *ctx, unsigned char *md) { - int ret; - ret = SHA512_Final(md, data(ctx)); + int ret = EVP_MD_meth_get_final(EVP_sha512())(ctx, md); if (ret > 0) { fill_known_data(md, SHA512_DIGEST_LENGTH); @@ -490,44 +687,240 @@ static int digest_sha512_final(EVP_MD_CTX *ctx, unsigned char *md) * AES128 Implementation */ -int ossltest_aes128_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv, int enc) -{ - if (ctx->cipher_data == NULL) { - /* - * Normally cipher_data is allocated automatically for an engine but - * we don't know the ctx_size as compile time so we have to do it at - * run time - */ - ctx->cipher_data = OPENSSL_zalloc(EVP_aes_128_cbc()->ctx_size); - if (ctx->cipher_data == NULL) { - OSSLTESTerr(OSSLTEST_F_OSSLTEST_AES128_INIT_KEY, - ERR_R_MALLOC_FAILURE); - return 0; - } - } - return EVP_aes_128_cbc()->init(ctx, key, iv, enc); +static int ossltest_aes128_init_key(EVP_CIPHER_CTX *ctx, + const unsigned char *key, + const unsigned char *iv, int enc) +{ + return EVP_CIPHER_meth_get_init(EVP_aes_128_cbc()) (ctx, key, iv, enc); } -int ossltest_aes128_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, size_t inl) +static int ossltest_aes128_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t inl) { unsigned char *tmpbuf; int ret; tmpbuf = OPENSSL_malloc(inl); - if (tmpbuf == NULL) + + /* OPENSSL_malloc will return NULL if inl == 0 */ + if (tmpbuf == NULL && inl > 0) return -1; /* Remember what we were asked to encrypt */ - memcpy(tmpbuf, in, inl); + if (tmpbuf != NULL) + memcpy(tmpbuf, in, inl); /* Go through the motions of encrypting it */ - ret = EVP_aes_128_cbc()->do_cipher(ctx, out, in, inl); + ret = EVP_CIPHER_meth_get_do_cipher(EVP_aes_128_cbc())(ctx, out, in, inl); /* Throw it all away and just use the plaintext as the output */ - memcpy(out, tmpbuf, inl); + if (tmpbuf != NULL) + memcpy(out, tmpbuf, inl); OPENSSL_free(tmpbuf); return ret; } + +static int ossltest_aes128_gcm_init_key(EVP_CIPHER_CTX *ctx, + const unsigned char *key, + const unsigned char *iv, int enc) +{ + return EVP_CIPHER_meth_get_init(EVP_aes_128_gcm()) (ctx, key, iv, enc); +} + +static int ossltest_aes128_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t inl) +{ + unsigned char *tmpbuf = OPENSSL_malloc(inl); + + /* OPENSSL_malloc will return NULL if inl == 0 */ + if (tmpbuf == NULL && inl > 0) + return -1; + + /* Remember what we were asked to encrypt */ + if (tmpbuf != NULL) + memcpy(tmpbuf, in, inl); + + /* Go through the motions of encrypting it */ + EVP_CIPHER_meth_get_do_cipher(EVP_aes_128_gcm())(ctx, out, in, inl); + + /* Throw it all away and just use the plaintext as the output */ + if (tmpbuf != NULL && out != NULL) + memcpy(out, tmpbuf, inl); + OPENSSL_free(tmpbuf); + + return inl; +} + +static int ossltest_aes128_gcm_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, + void *ptr) +{ + /* Pass the ctrl down */ + int ret = EVP_CIPHER_meth_get_ctrl(EVP_aes_128_gcm())(ctx, type, arg, ptr); + + if (ret <= 0) + return ret; + + switch (type) { + case EVP_CTRL_AEAD_GET_TAG: + /* Always give the same tag */ + memset(ptr, 0, EVP_GCM_TLS_TAG_LEN); + break; + + default: + break; + } + + return 1; +} + +#define NO_PAYLOAD_LENGTH ((size_t)-1) +# define data(ctx) ((EVP_AES_HMAC_SHA1 *)EVP_CIPHER_CTX_get_cipher_data(ctx)) + +static int ossltest_aes128_cbc_hmac_sha1_init_key(EVP_CIPHER_CTX *ctx, + const unsigned char *inkey, + const unsigned char *iv, + int enc) +{ + EVP_AES_HMAC_SHA1 *key = data(ctx); + key->payload_length = NO_PAYLOAD_LENGTH; + return 1; +} + +static int ossltest_aes128_cbc_hmac_sha1_cipher(EVP_CIPHER_CTX *ctx, + unsigned char *out, + const unsigned char *in, + size_t len) +{ + EVP_AES_HMAC_SHA1 *key = data(ctx); + unsigned int l; + size_t plen = key->payload_length; + + key->payload_length = NO_PAYLOAD_LENGTH; + + if (len % AES_BLOCK_SIZE) + return 0; + + if (EVP_CIPHER_CTX_is_encrypting(ctx)) { + if (plen == NO_PAYLOAD_LENGTH) + plen = len; + else if (len != + ((plen + SHA_DIGEST_LENGTH + + AES_BLOCK_SIZE) & -AES_BLOCK_SIZE)) + return 0; + + memmove(out, in, plen); + + if (plen != len) { /* "TLS" mode of operation */ + /* calculate HMAC and append it to payload */ + fill_known_data(out + plen, SHA_DIGEST_LENGTH); + + /* pad the payload|hmac */ + plen += SHA_DIGEST_LENGTH; + for (l = len - plen - 1; plen < len; plen++) + out[plen] = l; + } + } else { + /* decrypt HMAC|padding at once */ + memmove(out, in, len); + + if (plen != NO_PAYLOAD_LENGTH) { /* "TLS" mode of operation */ + unsigned int maxpad, pad; + + if (key->tls_ver >= TLS1_1_VERSION) { + if (len < (AES_BLOCK_SIZE + SHA_DIGEST_LENGTH + 1)) + return 0; + + /* omit explicit iv */ + in += AES_BLOCK_SIZE; + out += AES_BLOCK_SIZE; + len -= AES_BLOCK_SIZE; + } else if (len < (SHA_DIGEST_LENGTH + 1)) + return 0; + + /* figure out payload length */ + pad = out[len - 1]; + maxpad = len - (SHA_DIGEST_LENGTH + 1); + if (pad > maxpad) + return 0; + for (plen = len - pad - 1; plen < len; plen++) + if (out[plen] != pad) + return 0; + } + } + + return 1; +} + +static int ossltest_aes128_cbc_hmac_sha1_ctrl(EVP_CIPHER_CTX *ctx, int type, + int arg, void *ptr) +{ + EVP_AES_HMAC_SHA1 *key = data(ctx); + + switch (type) { + case EVP_CTRL_AEAD_SET_MAC_KEY: + return 1; + + case EVP_CTRL_AEAD_TLS1_AAD: + { + unsigned char *p = ptr; + unsigned int len; + + if (arg != EVP_AEAD_TLS1_AAD_LEN) + return -1; + + len = p[arg - 2] << 8 | p[arg - 1]; + key->tls_ver = p[arg - 4] << 8 | p[arg - 3]; + + if (EVP_CIPHER_CTX_is_encrypting(ctx)) { + key->payload_length = len; + if (key->tls_ver >= TLS1_1_VERSION) { + if (len < AES_BLOCK_SIZE) + return 0; + len -= AES_BLOCK_SIZE; + p[arg - 2] = len >> 8; + p[arg - 1] = len; + } + + return (int)(((len + SHA_DIGEST_LENGTH + + AES_BLOCK_SIZE) & -AES_BLOCK_SIZE) + - len); + } else { + key->payload_length = arg; + + return SHA_DIGEST_LENGTH; + } + } + default: + return -1; + } +} + +static int ossltest_rand_bytes(unsigned char *buf, int num) +{ + unsigned char val = 1; + + while (--num >= 0) + *buf++ = val++; + return 1; +} + +static int ossltest_rand_status(void) +{ + return 1; +} + +static const RAND_METHOD *ossltest_rand_method(void) +{ + + static RAND_METHOD osslt_rand_meth = { + NULL, + ossltest_rand_bytes, + NULL, + NULL, + ossltest_rand_bytes, + ossltest_rand_status + }; + + return &osslt_rand_meth; +}