dsa.h File Reference

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Detailed Description

Definition in file dsa.h.

#include "gfpcrypt.h"

Go to the source code of this file.

Enumerations
enum	DSASignatureFormat { DSA_P1363, DSA_DER, DSA_OPENPGP }
Functions
size_t	DSAConvertSignatureFormat (byte *buffer, size_t bufferSize, DSASignatureFormat toFormat, const byte *signature, size_t signatureLen, DSASignatureFormat fromFormat)
	This function converts between these formats, and returns length of signature in the target format.

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Enumeration Type Documentation

enum DSASignatureFormat

The DSA signature format used by Crypto++ is as defined by IEEE P1363. Java uses the DER format, and OpenPGP uses the OpenPGP format.

Enumerator:

DSA_P1363
DSA_DER
DSA_OPENPGP

Definition at line 13 of file dsa.h.

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Function Documentation

size_t DSAConvertSignatureFormat	(	byte *	buffer,
		size_t	bufferSize,
		DSASignatureFormat	toFormat,
		const byte *	signature,
		size_t	signatureLen,
		DSASignatureFormat	fromFormat
	)

This function converts between these formats, and returns length of signature in the target format.

If toFormat == DSA_P1363, bufferSize must equal publicKey.SignatureLength()

Definition at line 12 of file dsa.cpp.

References Integer::BERDecode(), Integer::Decode(), Integer::DEREncode(), DSA_DER, DSA_OPENPGP, DSA_P1363, Integer::Encode(), DERGeneralEncoder::MessageEnd(), BERGeneralDecoder::MessageEnd(), Integer::OpenPGPDecode(), Integer::OpenPGPEncode(), and ArraySink::TotalPutLength().

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