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DSA method slightly more tested and fixed ;-)

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This commit is contained in:
Dr. Stephen Henson 2008-05-30 17:44:36 +00:00
parent 94299a36a6
commit 694ce314a8
1 changed files with 4 additions and 1 deletions
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5
engines/e_capi.c
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@ -865,6 +865,10 @@ static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
ret = DSA_SIG_new(); ret = DSA_SIG_new();
if (!ret) if (!ret)
goto err; goto err;
ret->r = BN_new();
ret->s = BN_new();
if (!ret->r || !ret->s)
goto err;
if (!lend_tobn(ret->r, csigbuf, 20) if (!lend_tobn(ret->r, csigbuf, 20)
|| !lend_tobn(ret->s, csigbuf + 20, 20)) || !lend_tobn(ret->s, csigbuf + 20, 20))
{ {
@ -879,7 +883,6 @@ static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
err: err:
OPENSSL_cleanse(csigbuf, 40); OPENSSL_cleanse(csigbuf, 40);
CryptDestroyHash(hash); CryptDestroyHash(hash);
return ret; return ret;
} }