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PKCS#12 PBKDF - maximum tmp buffer size

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Use WC_MAX_BLOCK_SIZE - only an issue if PBKDF is using SHA-3
algorithms.
This commit is contained in:
Sean Parkinson
2019-12-17 09:53:08 +10:00
parent 8d8ab655fa
commit 8d7d2c74ee
1 changed files with 1 additions and 1 deletions
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wolfcrypt/src/pwdbased.c
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@ -484,7 +484,7 @@ int wc_PKCS12_PBKDF_ex(byte* output, const byte* passwd, int passLen,
else { else {
if (outSz > (int)v) { if (outSz > (int)v) {
/* take off MSB */ /* take off MSB */
byte tmp[129]; byte tmp[WC_MAX_BLOCK_SIZE + 1];
ret = mp_to_unsigned_bin(&res, tmp); ret = mp_to_unsigned_bin(&res, tmp);
XMEMCPY(I + i, tmp + 1, v); XMEMCPY(I + i, tmp + 1, v);
} }