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fix visual studio code analysis warnings

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This commit is contained in:
Chris Conlon
2016-04-28 13:08:50 -06:00
parent a54b0f9d0c
commit 78e62eddd7
4 changed files with 24 additions and 12 deletions
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10
wolfcrypt/src/coding.c
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@@ -365,6 +365,9 @@ int Base16_Decode(const byte* in, word32 inLen, byte* out, word32* outLen)
word32 inIdx = 0;
word32 outIdx = 0;
if (in == NULL || out == NULL || outLen == NULL)
return BAD_FUNC_ARG;
if (inLen == 1 && *outLen && in) {
byte b = in[inIdx++] - 0x30; /* 0 starts at 0x30 */
@@ -376,7 +379,7 @@ int Base16_Decode(const byte* in, word32 inLen, byte* out, word32* outLen)
if (b == BAD)
return ASN_INPUT_E;
out[outIdx++] = b;
*outLen = outIdx;
@@ -404,7 +407,7 @@ int Base16_Decode(const byte* in, word32 inLen, byte* out, word32* outLen)
if (b == BAD || b2 == BAD)
return ASN_INPUT_E;
out[outIdx++] = (byte)((b << 4) | b2);
inLen -= 2;
}
@@ -419,6 +422,9 @@ int Base16_Encode(const byte* in, word32 inLen, byte* out, word32* outLen)
word32 i;
byte hb, lb;
if (in == NULL || out == NULL || outLen == NULL)
return BAD_FUNC_ARG;
if (*outLen < (2 * inLen + 1))
return BAD_FUNC_ARG;

20
wolfcrypt/src/random.c
View File

@@ -361,15 +361,17 @@ static int Hash_gen(DRBG* drbg, byte* out, word32 outSz, const byte* V)
drbg->lastBlock = checkBlock;
}
if (outSz >= OUTPUT_BLOCK_LEN) {
XMEMCPY(out, digest, OUTPUT_BLOCK_LEN);
outSz -= OUTPUT_BLOCK_LEN;
out += OUTPUT_BLOCK_LEN;
array_add_one(data, DRBG_SEED_LEN);
}
else if (out != NULL && outSz != 0) {
XMEMCPY(out, digest, outSz);
outSz = 0;
if (out != NULL) {
if (outSz >= OUTPUT_BLOCK_LEN) {
XMEMCPY(out, digest, OUTPUT_BLOCK_LEN);
outSz -= OUTPUT_BLOCK_LEN;
out += OUTPUT_BLOCK_LEN;
array_add_one(data, DRBG_SEED_LEN);
}
else if (out != NULL && outSz != 0) {
XMEMCPY(out, digest, outSz);
outSz = 0;
}
}
}
ForceZero(data, sizeof(data));