abc/GmSSL
1
0
Fork 0
mirror of https://github.com/guanzhi/GmSSL.git synced 2026-05-12 19:36:27 +08:00
Code Issues Packages Projects Releases Wiki Activity

Revert "修改License"

Browse Source 
This reverts commit 0b4308b948.
This commit is contained in:
Simon
2022-08-26 13:44:26 +08:00
parent 0b4308b948
commit 4e5880e2ea
268 changed files with 67015 additions and 67247 deletions
Download Patch File Download Diff File Expand all files Collapse all files

93
src/sm3_kdf.c
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
* Copyright 2022 The GmSSL Project. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
@@ -7,49 +7,48 @@
* http://www.apache.org/licenses/LICENSE-2.0
*/
#include <string.h>
#include <gmssl/sm3.h>
#include <gmssl/endian.h>
#include <gmssl/error.h>
void sm3_kdf_init(SM3_KDF_CTX *ctx, size_t outlen)
{
sm3_init(&ctx->sm3_ctx);
ctx->outlen = outlen;
}
void sm3_kdf_update(SM3_KDF_CTX *ctx, const uint8_t *data, size_t datalen)
{
sm3_update(&ctx->sm3_ctx, data, datalen);
}
void sm3_kdf_finish(SM3_KDF_CTX *ctx, uint8_t *out)
{
SM3_CTX sm3_ctx;
size_t outlen = ctx->outlen;
uint8_t counter_be[4];
uint8_t dgst[SM3_DIGEST_SIZE];
uint32_t counter = 1;
size_t len;
while (outlen) {
PUTU32(counter_be, counter);
counter++;
sm3_ctx = ctx->sm3_ctx;
sm3_update(&sm3_ctx, counter_be, sizeof(counter_be));
sm3_finish(&sm3_ctx, dgst);
len = outlen < SM3_DIGEST_SIZE ? outlen : SM3_DIGEST_SIZE;
memcpy(out, dgst, len);
out += len;
outlen -= len;
}
memset(&sm3_ctx, 0, sizeof(SM3_CTX));
memset(dgst, 0, sizeof(dgst));
}
#include <string.h>
#include <gmssl/sm3.h>
#include <gmssl/endian.h>
#include <gmssl/error.h>
void sm3_kdf_init(SM3_KDF_CTX *ctx, size_t outlen)
{
sm3_init(&ctx->sm3_ctx);
ctx->outlen = outlen;
}
void sm3_kdf_update(SM3_KDF_CTX *ctx, const uint8_t *data, size_t datalen)
{
sm3_update(&ctx->sm3_ctx, data, datalen);
}
void sm3_kdf_finish(SM3_KDF_CTX *ctx, uint8_t *out)
{
SM3_CTX sm3_ctx;
size_t outlen = ctx->outlen;
uint8_t counter_be[4];
uint8_t dgst[SM3_DIGEST_SIZE];
uint32_t counter = 1;
size_t len;
while (outlen) {
PUTU32(counter_be, counter);
counter++;
sm3_ctx = ctx->sm3_ctx;
sm3_update(&sm3_ctx, counter_be, sizeof(counter_be));
sm3_finish(&sm3_ctx, dgst);
len = outlen < SM3_DIGEST_SIZE ? outlen : SM3_DIGEST_SIZE;
memcpy(out, dgst, len);
out += len;
outlen -= len;
}
memset(&sm3_ctx, 0, sizeof(SM3_CTX));
memset(dgst, 0, sizeof(dgst));
}