diff options
Diffstat (limited to 'src/crypto/aes/mode_wrappers.c')
-rw-r--r-- | src/crypto/aes/mode_wrappers.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/crypto/aes/mode_wrappers.c b/src/crypto/aes/mode_wrappers.c new file mode 100644 index 0000000..c706896 --- /dev/null +++ b/src/crypto/aes/mode_wrappers.c @@ -0,0 +1,108 @@ +/* ==================================================================== + * Copyright (c) 2002-2006 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 + * openssl-core@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. + * ==================================================================== */ + +#include <openssl/aes.h> + +#include "assert.h" + +#include <openssl/modes.h> + + +void AES_ctr128_encrypt(const uint8_t *in, uint8_t *out, size_t len, + const AES_KEY *key, uint8_t ivec[AES_BLOCK_SIZE], + uint8_t ecount_buf[AES_BLOCK_SIZE], unsigned int *num) { + CRYPTO_ctr128_encrypt(in, out, len, key, ivec, ecount_buf, num, + (block128_f)AES_encrypt); +} + +void AES_ecb_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key, + const int enc) { + assert(in && out && key); + assert((AES_ENCRYPT == enc) || (AES_DECRYPT == enc)); + + if (AES_ENCRYPT == enc) { + AES_encrypt(in, out, key); + } else { + AES_decrypt(in, out, key); + } +} + +#if defined(OPENSSL_NO_ASM) || \ + (!defined(OPENSSL_X86_64) && !defined(OPENSSL_X86)) +void AES_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t len, + const AES_KEY *key, uint8_t *ivec, const int enc) { + + if (enc) { + CRYPTO_cbc128_encrypt(in, out, len, key, ivec, (block128_f)AES_encrypt); + } else { + CRYPTO_cbc128_decrypt(in, out, len, key, ivec, (block128_f)AES_decrypt); + } +} +#else + +void asm_AES_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t len, + const AES_KEY *key, uint8_t *ivec, const int enc); +void AES_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t len, + const AES_KEY *key, uint8_t *ivec, const int enc) { + asm_AES_cbc_encrypt(in, out, len, key, ivec, enc); +} + +#endif /* OPENSSL_NO_ASM || (!OPENSSL_X86_64 && !OPENSSL_X86) */ + +void AES_ofb128_encrypt(const uint8_t *in, uint8_t *out, size_t length, + const AES_KEY *key, uint8_t *ivec, int *num) { + CRYPTO_ofb128_encrypt(in, out, length, key, ivec, num, + (block128_f)AES_encrypt); +} + +void AES_cfb128_encrypt(const uint8_t *in, uint8_t *out, size_t length, + const AES_KEY *key, uint8_t *ivec, int *num, + int enc) { + CRYPTO_cfb128_encrypt(in, out, length, key, ivec, num, enc, + (block128_f)AES_encrypt); +} |