Mirror of BoringSSL (grpc依赖)
https://boringssl.googlesource.com/boringssl
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124 lines
5.0 KiB
124 lines
5.0 KiB
/* ==================================================================== |
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* Copyright (c) 2002-2006 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* openssl-core@openssl.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== */ |
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#include <openssl/aes.h> |
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#include <assert.h> |
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#include "../aes/internal.h" |
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#include "../modes/internal.h" |
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#include "../service_indicator/internal.h" |
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void AES_ctr128_encrypt(const uint8_t *in, uint8_t *out, size_t len, |
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const AES_KEY *key, uint8_t ivec[AES_BLOCK_SIZE], |
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uint8_t ecount_buf[AES_BLOCK_SIZE], unsigned int *num) { |
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if (hwaes_capable()) { |
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CRYPTO_ctr128_encrypt_ctr32(in, out, len, key, ivec, ecount_buf, num, |
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aes_hw_ctr32_encrypt_blocks); |
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} else if (vpaes_capable()) { |
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#if defined(VPAES_CTR32) |
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// TODO(davidben): On ARM, where |BSAES| is additionally defined, this could |
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// use |vpaes_ctr32_encrypt_blocks_with_bsaes|. |
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CRYPTO_ctr128_encrypt_ctr32(in, out, len, key, ivec, ecount_buf, num, |
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vpaes_ctr32_encrypt_blocks); |
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#else |
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CRYPTO_ctr128_encrypt(in, out, len, key, ivec, ecount_buf, num, |
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vpaes_encrypt); |
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#endif |
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} else { |
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CRYPTO_ctr128_encrypt_ctr32(in, out, len, key, ivec, ecount_buf, num, |
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aes_nohw_ctr32_encrypt_blocks); |
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} |
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FIPS_service_indicator_update_state(); |
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} |
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void AES_ecb_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key, |
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const int enc) { |
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assert(in && out && key); |
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assert((AES_ENCRYPT == enc) || (AES_DECRYPT == enc)); |
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if (AES_ENCRYPT == enc) { |
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AES_encrypt(in, out, key); |
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} else { |
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AES_decrypt(in, out, key); |
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} |
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FIPS_service_indicator_update_state(); |
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} |
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void AES_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t len, |
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const AES_KEY *key, uint8_t *ivec, const int enc) { |
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if (hwaes_capable()) { |
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aes_hw_cbc_encrypt(in, out, len, key, ivec, enc); |
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} else if (!vpaes_capable()) { |
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aes_nohw_cbc_encrypt(in, out, len, key, ivec, enc); |
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} else if (enc) { |
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CRYPTO_cbc128_encrypt(in, out, len, key, ivec, AES_encrypt); |
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} else { |
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CRYPTO_cbc128_decrypt(in, out, len, key, ivec, AES_decrypt); |
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} |
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FIPS_service_indicator_update_state(); |
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} |
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void AES_ofb128_encrypt(const uint8_t *in, uint8_t *out, size_t length, |
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const AES_KEY *key, uint8_t *ivec, int *num) { |
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unsigned num_u = (unsigned)(*num); |
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CRYPTO_ofb128_encrypt(in, out, length, key, ivec, &num_u, AES_encrypt); |
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*num = (int)num_u; |
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} |
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void AES_cfb128_encrypt(const uint8_t *in, uint8_t *out, size_t length, |
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const AES_KEY *key, uint8_t *ivec, int *num, |
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int enc) { |
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unsigned num_u = (unsigned)(*num); |
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CRYPTO_cfb128_encrypt(in, out, length, key, ivec, &num_u, enc, AES_encrypt); |
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*num = (int)num_u; |
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}
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