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Merge pull request #3729 from guidovranken/zd11649

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SHA 256,512: Only write hash if no error has occurred
This commit is contained in:
Sean Parkinson
2021-02-08 08:47:51 +10:00
committed by GitHub
parent ea4b3110e8 3fd2647383
commit 2933db8915
2 changed files with 2 additions and 2 deletions
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2
wolfcrypt/src/sha256.c
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@@ -1094,7 +1094,7 @@ static int InitSha256(wc_Sha256* sha256)
#endif #endif
/* save remainder */ /* save remainder */
if (len > 0) { if (ret == 0 && len > 0) {
XMEMCPY(local, data, len); XMEMCPY(local, data, len);
sha256->buffLen = len; sha256->buffLen = len;
} }

2
wolfcrypt/src/sha512.c
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@@ -717,7 +717,7 @@ static WC_INLINE int Sha512Update(wc_Sha512* sha512, const byte* data, word32 le
} }
#endif #endif
if (len > 0) { if (ret == 0 && len > 0) {
XMEMCPY(local, data, len); XMEMCPY(local, data, len);
sha512->buffLen = len; sha512->buffLen = len;
} }