signature private_key::sign( const sha256& 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_sha256, (uint8_t*)digest.data(),
32, (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;
}
sha256 operator << ( const sha256& h1, uint32_t i ) {
sha256 result;
fc::detail::shift_l( h1.data(), result.data(), result.data_size(), i );
return result;
}
sha256 sha256::hash( const sha256& s )
{
return hash( s.data(), sizeof( s._hash ) );
}
sha256 h;
SHA256_Final((uint8_t*)h.data(), &my->ctx );
return h;
}
void sha256::encoder::reset() {
SHA256_Init( &my->ctx);
}
sha256 operator << ( const sha256& h1, uint32_t i ) {
sha256 result;
fc::detail::shift_l( h1.data(), result.data(), result.data_size(), i );
return result;
}
sha256 operator >> ( const sha256& h1, uint32_t i ) {
sha256 result;
fc::detail::shift_r( h1.data(), result.data(), result.data_size(), i );
return result;
}
sha256 operator ^ ( const sha256& h1, const sha256& h2 ) {
sha256 result;
result._hash[0] = h1._hash[0] ^ h2._hash[0];
result._hash[1] = h1._hash[1] ^ h2._hash[1];
result._hash[2] = h1._hash[2] ^ h2._hash[2];
result._hash[3] = h1._hash[3] ^ h2._hash[3];
return result;
}
bool operator >= ( const sha256& h1, const sha256& h2 ) {
return memcmp( h1._hash, h2._hash, sizeof(h1._hash) ) >= 0;
}
bool operator > ( const sha256& h1, const sha256& h2 ) {
return memcmp( h1._hash, h2._hash, sizeof(h1._hash) ) > 0;