1 /* ==================================================================== 2 * Copyright (c) 2002-2006 The OpenSSL Project. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in 13 * the documentation and/or other materials provided with the 14 * distribution. 15 * 16 * 3. All advertising materials mentioning features or use of this 17 * software must display the following acknowledgment: 18 * "This product includes software developed by the OpenSSL Project 19 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 20 * 21 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 22 * endorse or promote products derived from this software without 23 * prior written permission. For written permission, please contact 24 * openssl-core (at) openssl.org. 25 * 26 * 5. Products derived from this software may not be called "OpenSSL" 27 * nor may "OpenSSL" appear in their names without prior written 28 * permission of the OpenSSL Project. 29 * 30 * 6. Redistributions of any form whatsoever must retain the following 31 * acknowledgment: 32 * "This product includes software developed by the OpenSSL Project 33 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 34 * 35 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 36 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 37 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 38 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 41 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 42 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 44 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 45 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 46 * OF THE POSSIBILITY OF SUCH DAMAGE. 47 * ==================================================================== */ 48 49 #include <openssl/aes.h> 50 51 #include "assert.h" 52 53 #include <openssl/modes.h> 54 55 56 void AES_ctr128_encrypt(const uint8_t *in, uint8_t *out, size_t len, 57 const AES_KEY *key, uint8_t ivec[AES_BLOCK_SIZE], 58 uint8_t ecount_buf[AES_BLOCK_SIZE], unsigned int *num) { 59 CRYPTO_ctr128_encrypt(in, out, len, key, ivec, ecount_buf, num, 60 (block128_f)AES_encrypt); 61 } 62 63 void AES_ecb_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key, 64 const int enc) { 65 assert(in && out && key); 66 assert((AES_ENCRYPT == enc) || (AES_DECRYPT == enc)); 67 68 if (AES_ENCRYPT == enc) { 69 AES_encrypt(in, out, key); 70 } else { 71 AES_decrypt(in, out, key); 72 } 73 } 74 75 #if defined(OPENSSL_NO_ASM) || \ 76 (!defined(OPENSSL_X86_64) && !defined(OPENSSL_X86)) 77 void AES_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t len, 78 const AES_KEY *key, uint8_t *ivec, const int enc) { 79 80 if (enc) { 81 CRYPTO_cbc128_encrypt(in, out, len, key, ivec, (block128_f)AES_encrypt); 82 } else { 83 CRYPTO_cbc128_decrypt(in, out, len, key, ivec, (block128_f)AES_decrypt); 84 } 85 } 86 #else 87 88 void asm_AES_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t len, 89 const AES_KEY *key, uint8_t *ivec, const int enc); 90 void AES_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t len, 91 const AES_KEY *key, uint8_t *ivec, const int enc) { 92 asm_AES_cbc_encrypt(in, out, len, key, ivec, enc); 93 } 94 95 #endif /* OPENSSL_NO_ASM || (!OPENSSL_X86_64 && !OPENSSL_X86) */ 96 97 void AES_ofb128_encrypt(const uint8_t *in, uint8_t *out, size_t length, 98 const AES_KEY *key, uint8_t *ivec, int *num) { 99 CRYPTO_ofb128_encrypt(in, out, length, key, ivec, num, 100 (block128_f)AES_encrypt); 101 } 102 103 void AES_cfb128_encrypt(const uint8_t *in, uint8_t *out, size_t length, 104 const AES_KEY *key, uint8_t *ivec, int *num, 105 int enc) { 106 CRYPTO_cfb128_encrypt(in, out, length, key, ivec, num, enc, 107 (block128_f)AES_encrypt); 108 } 109
