/usr/include/xsec/enc/XSECCryptoKeyDSA.hpp is in libxml-security-c-dev 1.6.1-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/*
* XSEC
*
* XSECCryptoKeyDSA := DSA Keys
*
* Author(s): Berin Lautenbach
*
* $Id: XSECCryptoKeyDSA.hpp 1125514 2011-05-20 19:08:33Z scantor $
*
*/
#ifndef XSECCRYPTOKEYDSA_INCLUDE
#define XSECCRYPTOKEYDSA_INCLUDE
#include <xsec/enc/XSECCryptoKey.hpp>
/**
* \ingroup crypto
*/
/**
* \brief Interface class for DSA keys.
*
* The library uses classes derived from this to process DSA keys.
*/
class DSIG_EXPORT XSECCryptoKeyDSA : public XSECCryptoKey {
public :
/** @name Constructors and Destructors */
//@{
XSECCryptoKeyDSA() {};
virtual ~XSECCryptoKeyDSA() {};
//@}
/** @name Key Interface methods */
//@{
/**
* \brief Return the type of this key.
*
* For DSA keys, this allows people to determine whether this is a
* public key, private key or a key pair
*/
virtual XSECCryptoKey::KeyType getKeyType() const {return KEY_NONE;}
/**
* \brief Replicate key
*/
virtual XSECCryptoKey * clone() const = 0;
//@}
/** @name Mandatory DSA interface methods
*
* These methods are required by the library.
*/
//@{
/**
* \brief Verify a signature
*
* The library will call this function to validate a signature
*
* @param hashBuf Buffer containing the pre-calculated (binary) digest
* @param hashLen Length of the data in the digest buffer
* @param base64Signature Buffer containing the Base64 encoded signature
* @param sigLen Length of the data in the signature buffer
* @returns true if the signature was valid, false otherwise
*/
virtual bool verifyBase64Signature(unsigned char * hashBuf,
unsigned int hashLen,
char * base64Signature,
unsigned int sigLen) = 0;
/**
* \brief Create a signature
*
* The library will call this function to create a signature from
* a pre-calculated digest. The output signature is required to
* be Base64 encoded such that it can be placed directly into the
* XML document
*
* @param hashBuf Buffer containing the pre-calculated (binary) digest
* @param hashLen Number of bytes of hash in the hashBuf
* @param base64SignatureBuf Buffer to place the base64 encoded result
* in.
* @param base64SignatureBufLen Implementations need to ensure they do
* not write more bytes than this into the buffer
*/
virtual unsigned int signBase64Signature(unsigned char * hashBuf,
unsigned int hashLen,
char * base64SignatureBuf,
unsigned int base64SignatureBufLen) = 0;
//@}
/** @name Optional Interface methods
*
* These functions do not necessarily have to be implmented. They
* are used by XSECKeyInfoResolverDefault to try to create a key from
* KeyInfo elements without knowing anything else.
*
* If an interface class does not implement these functions, a simple
* stub that does nothing should be used.
*/
//@{
/**
* \brief Load P
*
* @param b64 Base64 encoded parameter - read from XML document
* @param len Length of the encoded string
*/
virtual void loadPBase64BigNums(const char * b64, unsigned int len) = 0;
/**
* \brief Load Q
*
* @param b64 Base64 encoded parameter - read from XML document
* @param len Length of the encoded string
*/
virtual void loadQBase64BigNums(const char * b64, unsigned int len) = 0;
/**
* \brief Load G
*
* @param b64 Base64 encoded parameter - read from XML document
* @param len Length of the encoded string
*/
virtual void loadGBase64BigNums(const char * b64, unsigned int len) = 0;
/**
* \brief Load Y
*
* @param b64 Base64 encoded parameter - read from XML document
* @param len Length of the encoded string
*/
virtual void loadYBase64BigNums(const char * b64, unsigned int len) = 0;
/**
* \brief Load J
*
* @param b64 Base64 encoded parameter - read from XML document
* @param len Length of the encoded string
*/
virtual void loadJBase64BigNums(const char * b64, unsigned int len) = 0;
//@}
};
#endif /* XSECCRYPTOKEYDSA_INCLUDE */
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