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fix output size check bug

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John Safranek
2014-01-28 11:57:49 -08:00
parent 42ad70591a
commit 631cfbcf27
1 changed files with 2 additions and 1 deletions
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3
ctaocrypt/src/asn.c
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@ -5273,7 +5273,8 @@ int StoreECC_DSA_Sig(byte* out, word32* outLen, mp_int* r, mp_int* s)
int sLen = mp_unsigned_bin_size(s);
int err;
if (*outLen < (rLen + sLen + headerSz + 2)) /* SEQ_TAG + LEN(ENUM) */
if (*outLen < (rLen + rLeadingZero + sLen + sLeadingZero +
headerSz + 2)) /* SEQ_TAG + LEN(ENUM) */
return BAD_FUNC_ARG;
idx = SetSequence(rLen+rLeadingZero+sLen+sLeadingZero+headerSz, out);