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Do not clean ctx in <digest>_finish

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This commit is contained in:
Zhi Guan
2023-10-17 23:12:43 +08:00
parent 0da7bbc22d
commit 9b5a2e6812
5 changed files with 11 additions and 10 deletions
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4
src/md5.c
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
* Copyright 2014-2023 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.
@@ -168,7 +168,6 @@ void md5_finish(MD5_CTX *ctx, unsigned char *dgst)
PUTU32_LE(dgst, ctx->state[i]);
dgst += sizeof(uint32_t);
}
memset(ctx, 0, sizeof(*ctx));
}
void md5_digest(const unsigned char *data, size_t datalen,
@@ -178,4 +177,5 @@ void md5_digest(const unsigned char *data, size_t datalen,
md5_init(&ctx);
md5_update(&ctx, data, datalen);
md5_finish(&ctx, dgst);
memset(&ctx, 0, sizeof(ctx));
}

3
src/sha1.c
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
* Copyright 2014-2023 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.
@@ -158,7 +158,6 @@ void sha1_finish(SHA1_CTX *ctx, unsigned char *dgst)
for (i = 0; i < 5; i++) {
PUTU32(dgst + i*4, ctx->state[i]);
}
memset(ctx, 0, sizeof(*ctx));
}
void sha1_digest(const unsigned char *data, size_t datalen,

5
src/sha256.c
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
* Copyright 2014-2023 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.
@@ -167,7 +167,6 @@ void sha256_finish(SHA256_CTX *ctx, unsigned char dgst[SHA256_DIGEST_SIZE])
PUTU32(dgst, ctx->state[i]);
dgst += sizeof(uint32_t);
}
memset(ctx, 0, sizeof(*ctx));
}
void sha256_digest(const unsigned char *data, size_t datalen,
@@ -177,6 +176,7 @@ void sha256_digest(const unsigned char *data, size_t datalen,
sha256_init(&ctx);
sha256_update(&ctx, data, datalen);
sha256_finish(&ctx, dgst);
memset(&ctx, 0, sizeof(ctx));
}
@@ -213,4 +213,5 @@ void sha224_digest(const unsigned char *data, size_t datalen,
sha224_init(&ctx);
sha224_update(&ctx, data, datalen);
sha224_finish(&ctx, dgst);
memset(&ctx, 0, sizeof(ctx));
}

5
src/sha512.c
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
* Copyright 2014-2023 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.
@@ -85,7 +85,6 @@ void sha512_finish(SHA512_CTX *ctx, unsigned char dgst[SHA512_DIGEST_SIZE])
PUTU64(dgst, ctx->state[i]);
dgst += sizeof(uint64_t);
}
memset(ctx, 0, sizeof(SHA512_CTX));
}
#define Ch(X, Y, Z) (((X) & (Y)) ^ ((~(X)) & (Z)))
@@ -188,6 +187,7 @@ void sha512_digest(const unsigned char *data, size_t datalen,
sha512_init(&ctx);
sha512_update(&ctx, data, datalen);
sha512_finish(&ctx, dgst);
memset(&ctx, 0, sizeof(ctx));
}
@@ -229,5 +229,6 @@ void sha384_digest(const unsigned char *data, size_t datalen,
sha384_init(&ctx);
sha384_update(&ctx, data, datalen);
sha384_finish(&ctx, dgst);
memset(&ctx, 0, sizeof(ctx));
}

4
src/sm3.c
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
* Copyright 2014-2023 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.
@@ -364,7 +364,6 @@ void sm3_finish(SM3_CTX *ctx, uint8_t *digest)
for (i = 0; i < 8; i++) {
PUTU32(digest + i*4, ctx->digest[i]);
}
memset(ctx, 0, sizeof(SM3_CTX));
}
void sm3_digest(const uint8_t *msg, size_t msglen,
@@ -374,4 +373,5 @@ void sm3_digest(const uint8_t *msg, size_t msglen,
sm3_init(&ctx);
sm3_update(&ctx, msg, msglen);
sm3_finish(&ctx, dgst);
memset(&ctx, 0, sizeof(ctx));
}