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Update documentation

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This commit is contained in:
Jeffrey Walton 2016-02-29 10:37:36 -05:00
parent 7c77f26c26
commit 24d2492564
1 changed files with 31 additions and 4 deletions
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35
pssr.h
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@ -1,7 +1,6 @@
// pssr.h - written and placed in the public domain by Wei Dai
//! \file
//! \headerfile pssr.h
//! \file pssr.h
//! \brief Classes for probablistic signature schemes
#ifndef CRYPTOPP_PSSR_H
@ -17,8 +16,15 @@
NAMESPACE_BEGIN(CryptoPP)
//! \brief PSSR Message Encoding Method interface
class CRYPTOPP_DLL PSSR_MEM_Base : public PK_RecoverableSignatureMessageEncodingMethod
{
public:
#ifndef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
virtual ~PSSR_MEM_Base() {}
#endif
private:
virtual bool AllowRecovery() const =0;
virtual size_t SaltLen(size_t hashLen) const =0;
virtual size_t MinPadLen(size_t hashLen) const =0;
@ -40,10 +46,27 @@ public:
byte *recoverableMessage) const;
};
//! \brief PSSR Message Encoding Method with Hash Identifier
//! \tparam USE_HASH_ID flag indicating whether the HashId is used
template <bool USE_HASH_ID> class PSSR_MEM_BaseWithHashId;
//! \brief PSSR Message Encoding Method with Hash Identifier
//! \tparam true flag indicating HashId is used
template<> class PSSR_MEM_BaseWithHashId<true> : public EMSA2HashIdLookup<PSSR_MEM_Base> {};
//! \brief PSSR Message Encoding Method without Hash Identifier
//! \tparam false flag indicating HashId is not used
template<> class PSSR_MEM_BaseWithHashId<false> : public PSSR_MEM_Base {};
//! \brief PSSR Message Encoding Method
//! \tparam ALLOW_RECOVERY flag indicating whether the scheme provides message recovery
//! \tparam MGF mask generation function
//! \tparam SALT_LEN length of the salt
//! \tparam MIN_PAD_LEN minimum length of the pad
//! \tparam USE_HASH_ID flag indicating whether the HashId is used
//! \details If ALLOW_RECOVERY is true, the the signature scheme provides message recovery. If
//! ALLOW_RECOVERY is false, the the signature scheme is appendix, and the message must be
//! provided during verification.
template <bool ALLOW_RECOVERY, class MGF=P1363_MGF1, int SALT_LEN=-1, int MIN_PAD_LEN=0, bool USE_HASH_ID=false>
class PSSR_MEM : public PSSR_MEM_BaseWithHashId<USE_HASH_ID>
{
@ -56,13 +79,17 @@ public:
static std::string CRYPTOPP_API StaticAlgorithmName() {return std::string(ALLOW_RECOVERY ? "PSSR-" : "PSS-") + MGF::StaticAlgorithmName();}
};
//! <a href="http://www.weidai.com/scan-mirror/sig.html#sem_PSSR-MGF1">PSSR-MGF1</a>
//! \brief Probabilistic Signature Scheme with Recovery
//! \details Signature Schemes with Recovery encode the message with the signature.
//! \sa <a href="http://www.weidai.com/scan-mirror/sig.html#sem_PSSR-MGF1">PSSR-MGF1</a>
struct PSSR : public SignatureStandard
{
typedef PSSR_MEM<true> SignatureMessageEncodingMethod;
};
//! <a href="http://www.weidai.com/scan-mirror/sig.html#sem_PSS-MGF1">PSS-MGF1</a>
//! \brief Probabilistic Signature Scheme with Appendix
//! \details Signature Schemes with Appendix require the message to be provided during verification.
//! \sa <a href="http://www.weidai.com/scan-mirror/sig.html#sem_PSS-MGF1">PSS-MGF1</a>
struct PSS : public SignatureStandard
{
typedef PSSR_MEM<false> SignatureMessageEncodingMethod;