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/*
* Copyright (c) 2018 Thomas Pornin <pornin@bolet.org>
*
* 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 "inner.h"
#if BR_INT128 || BR_UMUL128
/* see bearssl_rsa.h */
uint32_t
br_rsa_i62_oaep_decrypt(const br_hash_class *dig,
const void *label, size_t label_len,
const br_rsa_private_key *sk, void *data, size_t *len)
{
uint32_t r;
if (*len != ((sk->n_bitlen + 7) >> 3)) {
return 0;
}
r = br_rsa_i62_private(data, sk);
r &= br_rsa_oaep_unpad(dig, label, label_len, data, len);
return r;
}
/* see bearssl_rsa.h */
br_rsa_oaep_decrypt
br_rsa_i62_oaep_decrypt_get(void)
{
return &br_rsa_i62_oaep_decrypt;
}
#else
/* see bearssl_rsa.h */
br_rsa_oaep_decrypt
br_rsa_i62_oaep_decrypt_get(void)
{
return 0;
}
#endif
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