bool verify_data( const char* key, uint32_t key_size, uint32_t pe, const sha1& digest, const char* sig )
{
RSA* pub = get_pub( key,key_size,pe);
auto v = RSA_verify( NID_sha1, (const uint8_t*)digest.data(), 20, (uint8_t*)sig, key_size, pub );
RSA_free(pub);
return 0 != v;
}
signature private_key::sign( const sha1& digest )const
{
if( !my ) FC_THROW_EXCEPTION( assert_exception, "!null" );
signature sig;
sig.resize( RSA_size(my->rsa) );
uint32_t slen = 0;
if( 1 != RSA_sign( NID_sha1, (uint8_t*)digest.data(),
20, (unsigned char*)sig.data(), &slen, my->rsa ) )
{
FC_THROW_EXCEPTION( exception, "rsa sign failed with ${message}", ("message",fc::string(ERR_error_string( ERR_get_error(),NULL))) );
}
return sig;
}
bool sign_data( const fc::vector<char>& key, uint32_t key_size, uint32_t pe, const sha1& digest, char* sig )
{
RSA* priv = get_priv( key,key_size,pe);
if( !priv ) {
generic_exception g(fc::generic_exception("Error loading private key: " + fc::string(ERR_error_string( ERR_get_error(),NULL))) );
FC_THROW(g);
}
uint32_t slen = 0;
if( 1 != RSA_sign( NID_sha1, (uint8_t*)digest.data(), sizeof(digest), (unsigned char*)sig, &slen, priv ) )
{
RSA_free(priv);
generic_exception g(fc::generic_exception("Error signing data: " + fc::string(ERR_error_string( ERR_get_error(),NULL))) );
FC_THROW(g);
}
RSA_free(priv);
return true;
}
sha1 operator << ( const sha1& h1, uint32_t i ) {
sha1 result;
fc::detail::shift_l( h1.data(), result.data(), result.data_size(), i );
return result;
}
