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fix for PKCS12 create with small stack

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This commit is contained in:
Jacob Barthelmeh
2017-04-28 09:56:27 -06:00
parent d758c114b0
commit 4d9675bebe
1 changed files with 3 additions and 5 deletions
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8
wolfcrypt/src/asn.c
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@ -2318,13 +2318,12 @@ int UnTraditionalEnc(byte* key, word32 keySz, byte* out, word32* outSz,
if (salt == NULL || saltSz <= 0) {
saltSz = 8;
salt = saltTmp;
#ifdef WOLFSSL_SMALL_STACK
saltTmp = (byte*)XMALLOC(saltSz, heap, DYNAMIC_TYPE_TMP_BUFFER);
if (saltTmp == NULL)
return MEMORY_E;
#endif
salt = saltTmp;
if ((ret = wc_RNG_GenerateBlock(rng, saltTmp, saltSz)) != 0) {
WOLFSSL_MSG("Error generating random salt");
@ -2344,7 +2343,7 @@ int UnTraditionalEnc(byte* key, word32 keySz, byte* out, word32* outSz,
out[inOutIdx++] = ASN_OCTET_STRING; sz++;
tmpSz = SetLength(saltSz, out + inOutIdx);
inOutIdx += tmpSz; sz += tmpSz;
XMEMCPY(&out[inOutIdx], salt, saltSz);
XMEMCPY(out + inOutIdx, salt, saltSz);
inOutIdx += saltSz; sz += saltSz;
/* place itteration count in buffer */
@ -2690,13 +2689,12 @@ int EncryptContent(byte* input, word32 inputSz, byte* out, word32* outSz,
/* create random salt if one not provided */
if (salt == NULL || saltSz <= 0) {
saltSz = 8;
salt = saltTmp;
#ifdef WOLFSSL_SMALL_STACK
saltTmp = (byte*)XMALLOC(saltSz, heap, DYNAMIC_TYPE_TMP_BUFFER);
if (saltTmp == NULL)
return MEMORY_E;
#endif
salt = saltTmp;
if ((ret = wc_RNG_GenerateBlock(rng, saltTmp, saltSz)) != 0) {
WOLFSSL_MSG("Error generating random salt");