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/*
* Hash Function Identification
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_HASHID_H__
#define BOTAN_HASHID_H__
#include <botan/secmem.h>
#include <string>
namespace Botan {
/**
* Return the PKCS #1 hash identifier
* @see RFC 3447 section 9.2
* @param hash_name the name of the hash function
* @return byte sequence identifying the hash
* @throw Invalid_Argument if the hash has no known PKCS #1 hash id
*/
BOTAN_DLL std::vector<byte> pkcs_hash_id(const std::string& hash_name);
/**
* Return the IEEE 1363 hash identifier
* @param hash_name the name of the hash function
* @return byte code identifying the hash, or 0 if not known
*/
BOTAN_DLL byte ieee1363_hash_id(const std::string& hash_name);
}
#endif
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