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Fixed DH memory handling with openssl-1.1

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This commit is contained in:
Peter Conrad 2018-04-21 20:39:40 +02:00
parent c0db16bf3b
commit 5706d58cdc
1 changed files with 7 additions and 7 deletions
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14
src/crypto/dh.cpp
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@ -18,8 +18,8 @@ namespace fc {
ssl_dh dh(DH_new());
DH_generate_parameters_ex(dh.obj, s, g, NULL);
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
ssl_bignum bn_p;
DH_get0_pqg(dh.obj, (const BIGNUM**)&bn_p.obj, NULL, NULL);
const BIGNUM* bn_p; // must not be free'd!
DH_get0_pqg(dh.obj, &bn_p, NULL, NULL);
p.resize( BN_num_bytes( bn_p ) );
if( p.size() )
BN_bn2bin( bn_p, (unsigned char*)&p.front() );
@ -69,15 +69,15 @@ namespace fc {
DH_generate_key(dh);
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
ssl_bignum bn_pub_key;
ssl_bignum bn_priv_key;
DH_get0_key(dh.obj, (const BIGNUM**)&bn_pub_key.obj, (const BIGNUM**)&bn_priv_key.obj);
const BIGNUM* bn_pub_key; // must not be free'd!
const BIGNUM* bn_priv_key; // must not be free'd!
DH_get0_key(dh.obj, &bn_pub_key, &bn_priv_key);
pub_key.resize( BN_num_bytes( bn_pub_key ) );
priv_key.resize( BN_num_bytes( bn_priv_key ) );
if( pub_key.size() )
BN_bn2bin( bn_pub_key.obj, (unsigned char*)&pub_key.front() );
BN_bn2bin( bn_pub_key, (unsigned char*)&pub_key.front() );
if( priv_key.size() )
BN_bn2bin( bn_priv_key.obj, (unsigned char*)&priv_key.front() );
BN_bn2bin( bn_priv_key, (unsigned char*)&priv_key.front() );
#else
pub_key.resize( BN_num_bytes( dh->pub_key ) );
priv_key.resize( BN_num_bytes( dh->priv_key ) );