mirror of
https://github.com/shadps4-emu/ext-cryptopp.git
synced 2024-11-23 18:09:48 +00:00
80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
#ifndef CRYPTOPP_PKCSPAD_H
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#define CRYPTOPP_PKCSPAD_H
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#include "cryptlib.h"
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#include "pubkey.h"
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#ifdef CRYPTOPP_IS_DLL
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#include "sha.h"
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#endif
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NAMESPACE_BEGIN(CryptoPP)
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//! <a href="http://www.weidai.com/scan-mirror/ca.html#cem_PKCS1-1.5">EME-PKCS1-v1_5</a>
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class PKCS_EncryptionPaddingScheme : public PK_EncryptionMessageEncodingMethod
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{
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public:
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static const char * StaticAlgorithmName() {return "EME-PKCS1-v1_5";}
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unsigned int MaxUnpaddedLength(unsigned int paddedLength) const;
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void Pad(RandomNumberGenerator &rng, const byte *raw, unsigned int inputLength, byte *padded, unsigned int paddedLength, const NameValuePairs ¶meters) const;
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DecodingResult Unpad(const byte *padded, unsigned int paddedLength, byte *raw, const NameValuePairs ¶meters) const;
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};
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template <class H> class PKCS_DigestDecoration
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{
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public:
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static const byte decoration[];
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static const unsigned int length;
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};
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//! <a href="http://www.weidai.com/scan-mirror/sig.html#sem_PKCS1-1.5">EMSA-PKCS1-v1_5</a>
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class CRYPTOPP_DLL PKCS1v15_SignatureMessageEncodingMethod : public PK_DeterministicSignatureMessageEncodingMethod
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{
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public:
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static const char * StaticAlgorithmName() {return "EMSA-PKCS1-v1_5";}
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void ComputeMessageRepresentative(RandomNumberGenerator &rng,
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const byte *recoverableMessage, unsigned int recoverableMessageLength,
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HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty,
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byte *representative, unsigned int representativeBitLength) const;
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struct HashIdentifierLookup
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{
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template <class H> struct HashIdentifierLookup2
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{
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static HashIdentifier Lookup()
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{
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return HashIdentifier(PKCS_DigestDecoration<H>::decoration, PKCS_DigestDecoration<H>::length);
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}
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};
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};
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};
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//! PKCS #1 version 1.5, for use with RSAES and RSASSA
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/*! The following hash functions are supported for signature: SHA, MD2, MD5, RIPEMD160, SHA256, SHA384, SHA512. */
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struct PKCS1v15 : public SignatureStandard, public EncryptionStandard
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{
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typedef PKCS_EncryptionPaddingScheme EncryptionMessageEncodingMethod;
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typedef PKCS1v15_SignatureMessageEncodingMethod SignatureMessageEncodingMethod;
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};
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#ifdef CRYPTOPP_IS_DLL
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CRYPTOPP_DLL_TEMPLATE_CLASS PKCS_DigestDecoration<SHA>;
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#endif
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// PKCS_DecoratedHashModule can be instantiated with the following
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// classes as specified in PKCS#1 v2.0 and P1363a
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class SHA;
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class MD2;
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class MD5;
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class RIPEMD160;
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class Tiger;
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class SHA256;
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class SHA384;
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class SHA512;
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NAMESPACE_END
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#endif
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