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/*
* PKCS #1 v1.5 signature padding
* (C) 1999-2008 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_EMSA_PKCS1_H__
#define BOTAN_EMSA_PKCS1_H__
#include <botan/emsa.h>
#include <botan/hash.h>
namespace Botan {
/**
* PKCS #1 v1.5 signature padding
* aka PKCS #1 block type 1
* aka EMSA3 from IEEE 1363
*/
class BOTAN_DLL EMSA_PKCS1v15 final : public EMSA
{
public:
/**
* @param hash the hash function to use
*/
explicit EMSA_PKCS1v15(HashFunction* hash);
EMSA* clone() override { return new EMSA_PKCS1v15(m_hash->clone()); }
void update(const byte[], size_t) override;
secure_vector<byte> raw_data() override;
secure_vector<byte> encoding_of(const secure_vector<byte>&, size_t,
RandomNumberGenerator& rng) override;
bool verify(const secure_vector<byte>&, const secure_vector<byte>&,
size_t) override;
private:
std::unique_ptr<HashFunction> m_hash;
std::vector<byte> m_hash_id;
};
/**
* EMSA_PKCS1v15_Raw which is EMSA_PKCS1v15 without a hash or digest id
* (which according to QCA docs is "identical to PKCS#11's CKM_RSA_PKCS
* mechanism", something I have not confirmed)
*/
class BOTAN_DLL EMSA_PKCS1v15_Raw final : public EMSA
{
public:
EMSA* clone() override { return new EMSA_PKCS1v15_Raw(); }
void update(const byte[], size_t) override;
secure_vector<byte> raw_data() override;
secure_vector<byte> encoding_of(const secure_vector<byte>&, size_t,
RandomNumberGenerator& rng) override;
bool verify(const secure_vector<byte>&, const secure_vector<byte>&,
size_t) override;
private:
secure_vector<byte> m_message;
};
}
#endif
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