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fix potential memory leak on fail

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Jacob Barthelmeh
2016-01-14 23:58:30 -07:00
parent 008612ec70
commit 476355b5bf
1 changed files with 5 additions and 0 deletions
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5
wolfcrypt/src/rsa.c
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@@ -278,6 +278,10 @@ static int wc_MGF1(int hType, byte* seed, word32 seedSz,
/* hash and append to existing output */ /* hash and append to existing output */
if ((ret = wc_Hash(hType, tmp, (seedSz + 4), tmp, tmpSz)) != 0) { if ((ret = wc_Hash(hType, tmp, (seedSz + 4), tmp, tmpSz)) != 0) {
/* check for if dynamic memory was needed, then free */
if (tmpF) {
XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
return ret; return ret;
} }
@@ -381,6 +385,7 @@ static int wc_RsaPad_OAEP(const byte* input, word32 inputLen, byte* pkcsBlock,
} }
seed = (byte*)XMALLOC(hLen, NULL, DYNAMIC_TYPE_TMP_BUFFER); seed = (byte*)XMALLOC(hLen, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (seed == NULL) { if (seed == NULL) {
XFREE(lHash, NULL, DYNAMIC_TYPE_TMP_BUFFER);
return MEMORY_E; return MEMORY_E;
} }
#else #else