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Tolerate PKCS#8 DSA format with negative private key.

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This commit is contained in:
Dr. Stephen Henson
2010-01-22 20:17:12 +00:00
parent 3a88efd48c
commit ba64ae6cd1
4 changed files with 16 additions and 0 deletions
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8
crypto/dsa/dsa_ameth.c
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@@ -237,8 +237,16 @@ static int dsa_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8)
}
else
{
const unsigned char *q = p;
if (!(privkey=d2i_ASN1_INTEGER(NULL, &p, pklen)))
goto decerr;
if (privkey->type == V_ASN1_NEG_INTEGER)
{
p8->broken = PKCS8_NEG_PRIVKEY;
ASN1_INTEGER_free(privkey);
if (!(privkey=d2i_ASN1_UINTEGER(NULL, &q, pklen)))
goto decerr;
}
if (ptype != V_ASN1_SEQUENCE)
goto decerr;
}