From 3438e5d3ddf8444f0e31009ffbe8237ef3752c22 Mon Sep 17 00:00:00 2001 From: Alexander Harkness Date: Sun, 24 Nov 2013 14:21:13 +0000 Subject: move cryptopp into lib --- lib/cryptopp/dsa.h | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 lib/cryptopp/dsa.h (limited to 'lib/cryptopp/dsa.h') diff --git a/lib/cryptopp/dsa.h b/lib/cryptopp/dsa.h new file mode 100644 index 000000000..6ae03877c --- /dev/null +++ b/lib/cryptopp/dsa.h @@ -0,0 +1,35 @@ +#ifndef CRYPTOPP_DSA_H +#define CRYPTOPP_DSA_H + +/** \file +*/ + +#include "gfpcrypt.h" + +NAMESPACE_BEGIN(CryptoPP) + +/*! The DSA signature format used by Crypto++ is as defined by IEEE P1363. + Java uses the DER format, and OpenPGP uses the OpenPGP format. */ +enum DSASignatureFormat {DSA_P1363, DSA_DER, DSA_OPENPGP}; +/** This function converts between these formats, and returns length of signature in the target format. + If toFormat == DSA_P1363, bufferSize must equal publicKey.SignatureLength() */ +size_t DSAConvertSignatureFormat(byte *buffer, size_t bufferSize, DSASignatureFormat toFormat, + const byte *signature, size_t signatureLen, DSASignatureFormat fromFormat); + +#ifdef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY + +typedef DSA::Signer DSAPrivateKey; +typedef DSA::Verifier DSAPublicKey; + +const int MIN_DSA_PRIME_LENGTH = DSA::MIN_PRIME_LENGTH; +const int MAX_DSA_PRIME_LENGTH = DSA::MAX_PRIME_LENGTH; +const int DSA_PRIME_LENGTH_MULTIPLE = DSA::PRIME_LENGTH_MULTIPLE; + +inline bool GenerateDSAPrimes(const byte *seed, size_t seedLength, int &counter, Integer &p, unsigned int primeLength, Integer &q) + {return DSA::GeneratePrimes(seed, seedLength, counter, p, primeLength, q);} + +#endif + +NAMESPACE_END + +#endif -- cgit v1.2.3