Botan
1.11.15
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00001 /* 00002 * EMSA1 BSI 00003 * (C) 1999-2008 Jack Lloyd 00004 * 2008 Falko Strenzke, FlexSecure GmbH 00005 * 00006 * Botan is released under the Simplified BSD License (see license.txt) 00007 */ 00008 00009 #include <botan/internal/pad_utils.h> 00010 #include <botan/emsa1_bsi.h> 00011 00012 namespace Botan { 00013 00014 BOTAN_REGISTER_EMSA_1HASH(EMSA1_BSI, "EMSA1_BSI"); 00015 00016 /* 00017 * EMSA1 BSI Encode Operation 00018 */ 00019 secure_vector<byte> EMSA1_BSI::encoding_of(const secure_vector<byte>& msg, 00020 size_t output_bits, 00021 RandomNumberGenerator&) 00022 { 00023 if(msg.size() != hash_output_length()) 00024 throw Encoding_Error("EMSA1_BSI::encoding_of: Invalid size for input"); 00025 00026 if(8*msg.size() <= output_bits) 00027 return msg; 00028 00029 throw Encoding_Error("EMSA1_BSI::encoding_of: max key input size exceeded"); 00030 } 00031 00032 }