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/* MIT License
*
* Copyright (c) 2016-2020 INRIA, CMU and Microsoft Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "EverCrypt_Chacha20Poly1305.h"
void
EverCrypt_Chacha20Poly1305_aead_encrypt(
uint8_t *k,
uint8_t *n1,
uint32_t aadlen,
uint8_t *aad,
uint32_t mlen,
uint8_t *m,
uint8_t *cipher,
uint8_t *tag
)
{
bool avx2 = EverCrypt_AutoConfig2_has_avx2();
bool avx = EverCrypt_AutoConfig2_has_avx();
#if EVERCRYPT_TARGETCONFIG_X64
if (avx2)
{
Hacl_Chacha20Poly1305_256_aead_encrypt(k, n1, aadlen, aad, mlen, m, cipher, tag);
return;
}
#endif
#if EVERCRYPT_TARGETCONFIG_X64
if (avx)
{
Hacl_Chacha20Poly1305_128_aead_encrypt(k, n1, aadlen, aad, mlen, m, cipher, tag);
return;
}
#endif
Hacl_Chacha20Poly1305_32_aead_encrypt(k, n1, aadlen, aad, mlen, m, cipher, tag);
}
uint32_t
EverCrypt_Chacha20Poly1305_aead_decrypt(
uint8_t *k,
uint8_t *n1,
uint32_t aadlen,
uint8_t *aad,
uint32_t mlen,
uint8_t *m,
uint8_t *cipher,
uint8_t *tag
)
{
bool avx2 = EverCrypt_AutoConfig2_has_avx2();
bool avx = EverCrypt_AutoConfig2_has_avx();
#if EVERCRYPT_TARGETCONFIG_X64
if (avx2)
{
return Hacl_Chacha20Poly1305_256_aead_decrypt(k, n1, aadlen, aad, mlen, m, cipher, tag);
}
#endif
#if EVERCRYPT_TARGETCONFIG_X64
if (avx)
{
return Hacl_Chacha20Poly1305_128_aead_decrypt(k, n1, aadlen, aad, mlen, m, cipher, tag);
}
#endif
return Hacl_Chacha20Poly1305_32_aead_decrypt(k, n1, aadlen, aad, mlen, m, cipher, tag);
}