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Fix error handling in b2i_dss and b2i_rsa

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Fixes: #5567

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5624)
This commit is contained in:
Bernd Edlinger 2018-03-15 12:34:12 +01:00
parent 31393fd906
commit d288d7fc7b
1 changed files with 15 additions and 5 deletions
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20
crypto/pem/pvkfmt.c
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@ -285,14 +285,17 @@ static EVP_PKEY *b2i_dss(const unsigned char **in,
goto memerr;
BN_CTX_free(ctx);
ctx = NULL;
}
if (!DSA_set0_pqg(dsa, pbn, qbn, gbn))
goto memerr;
pbn = qbn = gbn = NULL;
if (!DSA_set0_key(dsa, pub_key, priv_key))
goto memerr;
pub_key = priv_key = NULL;
EVP_PKEY_set1_DSA(ret, dsa);
if (!EVP_PKEY_set1_DSA(ret, dsa))
goto memerr;
DSA_free(dsa);
*in = p;
return ret;
@ -345,12 +348,19 @@ static EVP_PKEY *b2i_rsa(const unsigned char **in,
goto memerr;
if (!read_lebn(&pin, nbyte, &d))
goto memerr;
RSA_set0_factors(rsa, p, q);
RSA_set0_crt_params(rsa, dmp1, dmq1, iqmp);
if (!RSA_set0_factors(rsa, p, q))
goto memerr;
p = q = NULL;
if (!RSA_set0_crt_params(rsa, dmp1, dmq1, iqmp))
goto memerr;
dmp1 = dmq1 = iqmp = NULL;
}
RSA_set0_key(rsa, n, e, d);
if (!RSA_set0_key(rsa, n, e, d))
goto memerr;
n = e = d = NULL;
EVP_PKEY_set1_RSA(ret, rsa);
if (!EVP_PKEY_set1_RSA(ret, rsa))
goto memerr;
RSA_free(rsa);
*in = pin;
return ret;