mirror of https://github.com/openssl/openssl.git
42 lines
1.5 KiB
C
42 lines
1.5 KiB
C
/*
|
|
* Copyright 2024-2025 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the Apache License 2.0 (the "License"). You may not use
|
|
* this file except in compliance with the License. You can obtain a copy
|
|
* in the file LICENSE in the source distribution or at
|
|
* https://www.openssl.org/source/license.html
|
|
*/
|
|
|
|
#include <openssl/evp.h>
|
|
|
|
static ossl_inline ossl_unused int
|
|
shake_xof(EVP_MD_CTX *ctx, const EVP_MD *md, const uint8_t *in, size_t in_len,
|
|
uint8_t *out, size_t out_len)
|
|
{
|
|
return (EVP_DigestInit_ex2(ctx, md, NULL) == 1
|
|
&& EVP_DigestUpdate(ctx, in, in_len) == 1
|
|
&& EVP_DigestSqueeze(ctx, out, out_len) == 1);
|
|
}
|
|
|
|
static ossl_inline ossl_unused int
|
|
shake_xof_2(EVP_MD_CTX *ctx, const EVP_MD *md, const uint8_t *in1, size_t in1_len,
|
|
const uint8_t *in2, size_t in2_len, uint8_t *out, size_t out_len)
|
|
{
|
|
return EVP_DigestInit_ex2(ctx, md, NULL)
|
|
&& EVP_DigestUpdate(ctx, in1, in1_len)
|
|
&& EVP_DigestUpdate(ctx, in2, in2_len)
|
|
&& EVP_DigestSqueeze(ctx, out, out_len);
|
|
}
|
|
|
|
static ossl_inline ossl_unused int
|
|
shake_xof_3(EVP_MD_CTX *ctx, const EVP_MD *md, const uint8_t *in1, size_t in1_len,
|
|
const uint8_t *in2, size_t in2_len,
|
|
const uint8_t *in3, size_t in3_len, uint8_t *out, size_t out_len)
|
|
{
|
|
return EVP_DigestInit_ex2(ctx, md, NULL)
|
|
&& EVP_DigestUpdate(ctx, in1, in1_len)
|
|
&& EVP_DigestUpdate(ctx, in2, in2_len)
|
|
&& EVP_DigestUpdate(ctx, in3, in3_len)
|
|
&& EVP_DigestSqueeze(ctx, out, out_len);
|
|
}
|