X-Git-Url: https://git.openssl.org/?a=blobdiff_plain;f=engines%2Fe_ossltest.c;h=d3d6998e99995622475f6899e4d1f72254f14f41;hb=180794c54e98ae467c4ebced3737e1ede03e320a;hp=e641a44c169db48aed979ad2eb2b5283176e130b;hpb=7b9f8f7f03eda2faa1cdd42ed29a0b70e60eaf59;p=openssl.git diff --git a/engines/e_ossltest.c b/engines/e_ossltest.c index e641a44c16..d3d6998e99 100644 --- a/engines/e_ossltest.c +++ b/engines/e_ossltest.c @@ -1,53 +1,10 @@ /* - * 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/)" + * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved. * - * 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. - * - * 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 OpenSSL license (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 */ /* @@ -66,9 +23,9 @@ #include #include #include +#include #include -#define OSSLTEST_LIB_NAME "OSSLTEST" #include "e_ossltest_err.c" /* Engine Id and Name */ @@ -86,6 +43,7 @@ void ENGINE_load_ossltest(void); /* Set up digests */ static int ossltest_digests(ENGINE *e, const EVP_MD **digest, const int **nids, int nid); +static const RAND_METHOD *ossltest_rand_method(void); /* MD5 */ static int digest_md5_init(EVP_MD_CTX *ctx); @@ -269,7 +227,7 @@ 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, 0 }; /* AES128 */ @@ -278,6 +236,12 @@ 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); +int ossltest_aes128_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, + const unsigned char *iv, int enc); +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 EVP_CIPHER *_hidden_aes_128_cbc = NULL; static const EVP_CIPHER *ossltest_aes_128_cbc(void) @@ -301,9 +265,40 @@ static const EVP_CIPHER *ossltest_aes_128_cbc(void) } 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 void destroy_ciphers(void) { EVP_CIPHER_meth_free(_hidden_aes_128_cbc); + EVP_CIPHER_meth_free(_hidden_aes_128_gcm); _hidden_aes_128_cbc = NULL; } @@ -316,6 +311,7 @@ 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_init_function(e, ossltest_init) || !ENGINE_set_finish_function(e, ossltest_finish)) { @@ -432,6 +428,9 @@ static int ossltest_ciphers(ENGINE *e, const EVP_CIPHER **cipher, case NID_aes_128_cbc: *cipher = ossltest_aes_128_cbc(); break; + case NID_aes_128_gcm: + *cipher = ossltest_aes_128_gcm(); + break; default: ok = 0; *cipher = NULL; @@ -609,3 +608,83 @@ int ossltest_aes128_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, return ret; } + +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); +} + + +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 */ + 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 */ + 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; +} + +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; +}