#ifndef CRYPTOPP_PKCSPAD_H
#define CRYPTOPP_PKCSPAD_H
#include "cryptlib.h"
#include "pubkey.h"
NAMESPACE_BEGIN(CryptoPP)
//! EME-PKCS1-v1_5
class PKCS_EncryptionPaddingScheme : public PK_EncryptionMessageEncodingMethod
{
public:
static const char * StaticAlgorithmName() {return "EME-PKCS1-v1_5";}
unsigned int MaxUnpaddedLength(unsigned int paddedLength) const;
void Pad(RandomNumberGenerator &rng, const byte *raw, unsigned int inputLength, byte *padded, unsigned int paddedLength) const;
DecodingResult Unpad(const byte *padded, unsigned int paddedLength, byte *raw) const;
};
template struct PKCS_DigestDecoration
{
static const byte decoration[];
static const unsigned int length;
};
//! EMSA-PKCS1-v1_5
class PKCS1v15_SignatureMessageEncodingMethod : public PK_DeterministicSignatureMessageEncodingMethod
{
public:
static const char * StaticAlgorithmName() {return "EMSA-PKCS1-v1_5";}
void ComputeMessageRepresentative(RandomNumberGenerator &rng,
const byte *recoverableMessage, unsigned int recoverableMessageLength,
HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty,
byte *representative, unsigned int representativeBitLength) const;
struct HashIdentifierLookup
{
template struct HashIdentifierLookup2
{
static HashIdentifier Lookup()
{
return HashIdentifier(PKCS_DigestDecoration::decoration, PKCS_DigestDecoration::length);
}
};
};
};
//! PKCS #1 version 1.5, for use with RSAES and RSASS
/*! The following hash functions are supported for signature: SHA, MD2, MD5, RIPEMD160, SHA256, SHA384, SHA512. */
struct PKCS1v15 : public SignatureStandard, public EncryptionStandard
{
typedef PKCS_EncryptionPaddingScheme EncryptionMessageEncodingMethod;
typedef PKCS1v15_SignatureMessageEncodingMethod SignatureMessageEncodingMethod;
};
// PKCS_DecoratedHashModule can be instantiated with the following
// classes as specified in PKCS#1 v2.0 and P1363a
class SHA;
class MD2;
class MD5;
class RIPEMD160;
class Tiger;
class SHA256;
class SHA384;
class SHA512;
NAMESPACE_END
#endif