/**
 * 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
 *
 * DSIGConstants := Definitions of various DSIG constants (mainly strings)
 *
 * Author(s): Berin Lautenbach
 *
 * $Id$
 *
 */

#ifndef DSIGCONSTANTS_HEADER
#define DSIGCONSTANTS_HEADER

#include <xsec/enc/XSECCryptoHash.hpp>
#include <xsec/utils/XSECSafeBuffer.hpp>

// Xerces
#include <xercesc/util/XMLString.hpp>

XSEC_USING_XERCES(XMLString);

// Name Spaces

#define URI_ID_DSIG      "http://www.w3.org/2000/09/xmldsig#"
#define URI_ID_DSIG11    "http://www.w3.org/2009/xmldsig11#"
#define URI_ID_EC        "http://www.w3.org/2001/10/xml-exc-c14n#"
// Also used as algorithm ID for XPATH_FILTER
#define URI_ID_XPF       "http://www.w3.org/2002/06/xmldsig-filter2"
#define URI_ID_XENC      "http://www.w3.org/2001/04/xmlenc#"
#define URI_ID_XENC11    "http://www.w3.org/2009/xmlenc11#"

// Hashing Algorithms

#define URI_ID_SHA1         "http://www.w3.org/2000/09/xmldsig#sha1"
#define URI_ID_MD5          "http://www.w3.org/2001/04/xmldsig-more#md5"
#define URI_ID_SHA224       "http://www.w3.org/2001/04/xmldsig-more#sha224"
#define URI_ID_SHA256       "http://www.w3.org/2001/04/xmlenc#sha256"
#define URI_ID_SHA384       "http://www.w3.org/2001/04/xmldsig-more#sha384"
#define URI_ID_SHA512       "http://www.w3.org/2001/04/xmlenc#sha512"

// Encryption Algorithms
#define URI_ID_3DES_CBC      "http://www.w3.org/2001/04/xmlenc#tripledes-cbc"
#define URI_ID_AES128_CBC    "http://www.w3.org/2001/04/xmlenc#aes128-cbc"
#define URI_ID_AES192_CBC    "http://www.w3.org/2001/04/xmlenc#aes192-cbc"
#define URI_ID_AES256_CBC    "http://www.w3.org/2001/04/xmlenc#aes256-cbc"
#define URI_ID_AES128_GCM    "http://www.w3.org/2009/xmlenc11#aes128-gcm"
#define URI_ID_AES192_GCM    "http://www.w3.org/2009/xmlenc11#aes192-gcm"
#define URI_ID_AES256_GCM    "http://www.w3.org/2009/xmlenc11#aes256-gcm"


// Key Wrap Algorithm
#define URI_ID_KW_3DES          "http://www.w3.org/2001/04/xmlenc#kw-tripledes"
#define URI_ID_KW_AES128        "http://www.w3.org/2001/04/xmlenc#kw-aes128"
#define URI_ID_KW_AES192        "http://www.w3.org/2001/04/xmlenc#kw-aes192"
#define URI_ID_KW_AES256        "http://www.w3.org/2001/04/xmlenc#kw-aes256"
#define URI_ID_KW_AES128_PAD    "http://www.w3.org/2009/xmlenc11#kw-aes-128-pad"
#define URI_ID_KW_AES192_PAD    "http://www.w3.org/2009/xmlenc11#kw-aes-192-pad"
#define URI_ID_KW_AES256_PAD    "http://www.w3.org/2009/xmlenc11#kw-aes-256-pad"

// Key Transport algorithms
#define URI_ID_RSA_1_5           "http://www.w3.org/2001/04/xmlenc#rsa-1_5"
#define URI_ID_RSA_OAEP_MGFP1    "http://www.w3.org/2001/04/xmlenc#rsa-oaep-mgf1p"
#define URI_ID_RSA_OAEP          "http://www.w3.org/2009/xmlenc11#rsa-oaep"

// OAEP MGFs
#define URI_ID_MGF1_BASE        "http://www.w3.org/2009/xmlenc11#mgf1"
#define URI_ID_MGF1_SHA1        "http://www.w3.org/2009/xmlenc11#mgf1sha1"
#define URI_ID_MGF1_SHA224      "http://www.w3.org/2009/xmlenc11#mgf1sha224"
#define URI_ID_MGF1_SHA256      "http://www.w3.org/2009/xmlenc11#mgf1sha256"
#define URI_ID_MGF1_SHA384      "http://www.w3.org/2009/xmlenc11#mgf1sha384"
#define URI_ID_MGF1_SHA512      "http://www.w3.org/2009/xmlenc11#mgf1sha512"

// Transforms

#define URI_ID_BASE64           "http://www.w3.org/2000/09/xmldsig#base64"
#define URI_ID_XPATH            "http://www.w3.org/TR/1999/REC-xpath-19991116"
#define URI_ID_XSLT             "http://www.w3.org/TR/1999/REC-xslt-19991116"
#define URI_ID_ENVELOPE         "http://www.w3.org/2000/09/xmldsig#enveloped-signature"
#define URI_ID_C14N_NOC         "http://www.w3.org/TR/2001/REC-xml-c14n-20010315"
#define URI_ID_C14N_COM         "http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments"
#define URI_ID_C14N11_NOC       "http://www.w3.org/2006/12/xml-c14n11"
#define URI_ID_C14N11_COM       "http://www.w3.org/2006/12/xml-c14n11#WithComments"
#define URI_ID_EXC_C14N_NOC     "http://www.w3.org/2001/10/xml-exc-c14n#"
#define URI_ID_EXC_C14N_COM     "http://www.w3.org/2001/10/xml-exc-c14n#WithComments"
#define XPATH_EXPR_ENVELOPE     "count(ancestor-or-self::dsig:Signature | \
                                 here()/ancestor::dsig:Signature[1]) > \
                                 count(ancestor-or-self::dsig:Signature)"

// Signature Algorithms

#define URI_ID_SIG_BASE      "http://www.w3.org/2000/09/xmldsig#"
#define URI_ID_SIG_BASEMORE  "http://www.w3.org/2001/04/xmldsig-more#"
#define URI_ID_SIG_BASE11    "http://www.w3.org/2009/xmldsig11#"
#define URI_ID_SIG_DSA       "dsa"
#define URI_ID_SIG_ECDSA     "ecdsa"
#define URI_ID_SIG_HMAC      "hmac"
#define URI_ID_SIG_SHA1      "sha1"
#define URI_ID_SIG_SHA224    "sha224"
#define URI_ID_SIG_SHA256    "sha256"
#define URI_ID_SIG_SHA384    "sha384"
#define URI_ID_SIG_SHA512    "sha512"
#define URI_ID_SIG_RSA       "rsa"
#define URI_ID_SIG_MD5       "md5"

#define URI_ID_DSA_SHA1       "http://www.w3.org/2000/09/xmldsig#dsa-sha1"
#define URI_ID_DSA_SHA256     "http://www.w3.org/2009/xmldsig11#dsa-sha256"
#define URI_ID_HMAC_SHA1      "http://www.w3.org/2000/09/xmldsig#hmac-sha1"
#define URI_ID_HMAC_SHA224    "http://www.w3.org/2001/04/xmldsig-more#hmac-sha224"
#define URI_ID_HMAC_SHA256    "http://www.w3.org/2001/04/xmldsig-more#hmac-sha256"
#define URI_ID_HMAC_SHA384    "http://www.w3.org/2001/04/xmldsig-more#hmac-sha384"
#define URI_ID_HMAC_SHA512    "http://www.w3.org/2001/04/xmldsig-more#hmac-sha512"
#define URI_ID_RSA_SHA1       "http://www.w3.org/2000/09/xmldsig#rsa-sha1"
#define URI_ID_RSA_SHA224     "http://www.w3.org/2001/04/xmldsig-more#rsa-sha224"
#define URI_ID_RSA_SHA256     "http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"
#define URI_ID_RSA_SHA384     "http://www.w3.org/2001/04/xmldsig-more#rsa-sha384"
#define URI_ID_RSA_SHA512     "http://www.w3.org/2001/04/xmldsig-more#rsa-sha512"
#define URI_ID_RSA_MD5        "http://www.w3.org/2001/04/xmldsig-more#rsa-md5"
#define URI_ID_ECDSA_SHA1     "http://www.w3.org/2001/04/xmldsig-more#ecdsa-sha1"
#define URI_ID_ECDSA_SHA224   "http://www.w3.org/2001/04/xmldsig-more#ecdsa-sha224"
#define URI_ID_ECDSA_SHA256   "http://www.w3.org/2001/04/xmldsig-more#ecdsa-sha256"
#define URI_ID_ECDSA_SHA384   "http://www.w3.org/2001/04/xmldsig-more#ecdsa-sha384"
#define URI_ID_ECDSA_SHA512   "http://www.w3.org/2001/04/xmldsig-more#ecdsa-sha512"

// Encryption defines
#define URI_ID_XENC_ELEMENT    "http://www.w3.org/2001/04/xmlenc#Element"
#define URI_ID_XENC_CONTENT    "http://www.w3.org/2001/04/xmlenc#Content"

// General

#define URI_ID_XMLNS    "http://www.w3.org/2000/xmlns/"
#define URI_ID_MANIFEST "http://www.w3.org/2000/09/xmldsig#Manifest"
#define URI_ID_RAWX509  "http://www.w3.org/2000/09/xmldsig#rawX509Certificate"

// Internal Crypto Providers

#define PROV_OPENSSL    "OpenSSL Provider"
#define PROV_WINCAPI    "WinCAPI Provider"
#define PROV_NSS        "NSS Provider"


// --------------------------------------------------------------------------------
//           Constant Strings Class
// --------------------------------------------------------------------------------

class XSEC_EXPORT DSIGConstants {

public:

    // General strings

    static const XMLCh * s_unicodeStrEmpty;        // ""
    static const XMLCh * s_unicodeStrNL;        // "\n"
    static const XMLCh * s_unicodeStrXmlns;        // "xmlns"
    static const XMLCh * s_unicodeStrURI;        // "URI"

    // DSIG Element Strings
    static const XMLCh * s_unicodeStrAlgorithm;

    // URI_IDs
    static const XMLCh * s_unicodeStrURIDSIG;
    static const XMLCh * s_unicodeStrURIDSIG11;
    static const XMLCh * s_unicodeStrURIEC;
    static const XMLCh * s_unicodeStrURIXPF;
    static const XMLCh * s_unicodeStrURIXENC;
    static const XMLCh * s_unicodeStrURIXENC11;

    static const XMLCh * s_unicodeStrURISIGBASE;
    static const XMLCh * s_unicodeStrURISIGBASEMORE;
    static const XMLCh * s_unicodeStrURISIGBASE11;

    static const XMLCh * s_unicodeStrURIRawX509;
    static const XMLCh * s_unicodeStrURISHA1;
    static const XMLCh * s_unicodeStrURISHA224;
    static const XMLCh * s_unicodeStrURISHA256;
    static const XMLCh * s_unicodeStrURISHA384;
    static const XMLCh * s_unicodeStrURISHA512;
    static const XMLCh * s_unicodeStrURIMD5;        // Not recommended
    static const XMLCh * s_unicodeStrURIBASE64;
    static const XMLCh * s_unicodeStrURIXPATH;
    static const XMLCh * s_unicodeStrURIXSLT;
    static const XMLCh * s_unicodeStrURIENVELOPE;
    static const XMLCh * s_unicodeStrURIC14N_NOC;
    static const XMLCh * s_unicodeStrURIC14N_COM;
    static const XMLCh * s_unicodeStrURIC14N11_NOC;
    static const XMLCh * s_unicodeStrURIC14N11_COM;
    static const XMLCh * s_unicodeStrURIEXC_C14N_NOC;
    static const XMLCh * s_unicodeStrURIEXC_C14N_COM;

    static const XMLCh * s_unicodeStrURIDSA_SHA1;
    static const XMLCh * s_unicodeStrURIDSA_SHA256;

    static const XMLCh * s_unicodeStrURIRSA_MD5;
    static const XMLCh * s_unicodeStrURIRSA_SHA1;
    static const XMLCh * s_unicodeStrURIRSA_SHA224;
    static const XMLCh * s_unicodeStrURIRSA_SHA256;
    static const XMLCh * s_unicodeStrURIRSA_SHA384;
    static const XMLCh * s_unicodeStrURIRSA_SHA512;

    static const XMLCh * s_unicodeStrURIECDSA_SHA1;
    static const XMLCh * s_unicodeStrURIECDSA_SHA224;
    static const XMLCh * s_unicodeStrURIECDSA_SHA256;
    static const XMLCh * s_unicodeStrURIECDSA_SHA384;
    static const XMLCh * s_unicodeStrURIECDSA_SHA512;

    static const XMLCh * s_unicodeStrURIHMAC_SHA1;
    static const XMLCh * s_unicodeStrURIHMAC_SHA224;
    static const XMLCh * s_unicodeStrURIHMAC_SHA256;
    static const XMLCh * s_unicodeStrURIHMAC_SHA384;
    static const XMLCh * s_unicodeStrURIHMAC_SHA512;

    static const XMLCh * s_unicodeStrURIXMLNS;
    static const XMLCh * s_unicodeStrURIMANIFEST;

    // URIs for Encryption
    static const XMLCh * s_unicodeStrURI3DES_CBC;
    static const XMLCh * s_unicodeStrURIAES128_CBC;
    static const XMLCh * s_unicodeStrURIAES192_CBC;
    static const XMLCh * s_unicodeStrURIAES256_CBC;
    static const XMLCh * s_unicodeStrURIAES128_GCM;
    static const XMLCh * s_unicodeStrURIAES192_GCM;
    static const XMLCh * s_unicodeStrURIAES256_GCM;
    static const XMLCh * s_unicodeStrURIKW_3DES;
    static const XMLCh * s_unicodeStrURIKW_AES128;
    static const XMLCh * s_unicodeStrURIKW_AES192;
    static const XMLCh * s_unicodeStrURIKW_AES256;
    static const XMLCh * s_unicodeStrURIKW_AES128_PAD;
    static const XMLCh * s_unicodeStrURIKW_AES192_PAD;
    static const XMLCh * s_unicodeStrURIKW_AES256_PAD;
    static const XMLCh * s_unicodeStrURIRSA_1_5;
    static const XMLCh * s_unicodeStrURIRSA_OAEP_MGFP1;
    static const XMLCh * s_unicodeStrURIRSA_OAEP;

    static const XMLCh * s_unicodeStrURIMGF1_BASE;
    static const XMLCh * s_unicodeStrURIMGF1_SHA1;
    static const XMLCh * s_unicodeStrURIMGF1_SHA224;
    static const XMLCh * s_unicodeStrURIMGF1_SHA256;
    static const XMLCh * s_unicodeStrURIMGF1_SHA384;
    static const XMLCh * s_unicodeStrURIMGF1_SHA512;
   
    static const XMLCh * s_unicodeStrURIXENC_ELEMENT;
    static const XMLCh * s_unicodeStrURIXENC_CONTENT;

    // Internal Crypto Providers
    static const XMLCh * s_unicodeStrPROVOpenSSL;
    static const XMLCh * s_unicodeStrPROVWinCAPI;
    static const XMLCh * s_unicodeStrPROVNSS;


    DSIGConstants();

    static void create();
    static void destroy();
};

#endif /* DSIGCONSTANTS_HEADER */