using System;
using System.Collections;
using System.IO;
using Org.BouncyCastle.Asn1;
using Org.BouncyCastle.Asn1.BC;
using Org.BouncyCastle.Asn1.Bsi;
using Org.BouncyCastle.Asn1.Cms;
using Org.BouncyCastle.Asn1.CryptoPro;
using Org.BouncyCastle.Asn1.Eac;
using Org.BouncyCastle.Asn1.GM;
using Org.BouncyCastle.Asn1.Nist;
using Org.BouncyCastle.Asn1.Oiw;
using Org.BouncyCastle.Asn1.Pkcs;
using Org.BouncyCastle.Asn1.Rosstandart;
using Org.BouncyCastle.Asn1.TeleTrust;
using Org.BouncyCastle.Asn1.X509;
using Org.BouncyCastle.Asn1.X9;
using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Crypto.Parameters;
using Org.BouncyCastle.Security;
using Org.BouncyCastle.Utilities;
using Org.BouncyCastle.Utilities.Collections;
using Org.BouncyCastle.X509;
using Org.BouncyCastle.X509.Store;
namespace Org.BouncyCastle.Cms
{
public class DefaultSignatureAlgorithmIdentifierFinder
{
private static readonly IDictionary algorithms = Platform.CreateHashtable();
private static readonly ISet noParams = new HashSet();
private static readonly IDictionary _params = Platform.CreateHashtable();
private static readonly ISet pkcs15RsaEncryption = new HashSet();
private static readonly IDictionary digestOids = Platform.CreateHashtable();
private static readonly IDictionary digestBuilders = Platform.CreateHashtable();
private static readonly DerObjectIdentifier ENCRYPTION_RSA = PkcsObjectIdentifiers.RsaEncryption;
private static readonly DerObjectIdentifier ENCRYPTION_DSA = X9ObjectIdentifiers.IdDsaWithSha1;
private static readonly DerObjectIdentifier ENCRYPTION_ECDSA = X9ObjectIdentifiers.ECDsaWithSha1;
private static readonly DerObjectIdentifier ENCRYPTION_RSA_PSS = PkcsObjectIdentifiers.IdRsassaPss;
private static readonly DerObjectIdentifier ENCRYPTION_GOST3410 = CryptoProObjectIdentifiers.GostR3410x94;
private static readonly DerObjectIdentifier ENCRYPTION_ECGOST3410 = CryptoProObjectIdentifiers.GostR3410x2001;
private static readonly DerObjectIdentifier ENCRYPTION_ECGOST3410_2012_256 = RosstandartObjectIdentifiers.id_tc26_gost_3410_12_256;
private static readonly DerObjectIdentifier ENCRYPTION_ECGOST3410_2012_512 = RosstandartObjectIdentifiers.id_tc26_gost_3410_12_512;
static DefaultSignatureAlgorithmIdentifierFinder()
{
algorithms["MD2WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.MD2WithRsaEncryption;
algorithms["MD2WITHRSA"] = PkcsObjectIdentifiers.MD2WithRsaEncryption;
algorithms["MD5WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.MD5WithRsaEncryption;
algorithms["MD5WITHRSA"] = PkcsObjectIdentifiers.MD5WithRsaEncryption;
algorithms["SHA1WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha1WithRsaEncryption;
algorithms["SHA-1WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha1WithRsaEncryption;
algorithms["SHA1WITHRSA"] = PkcsObjectIdentifiers.Sha1WithRsaEncryption;
algorithms["SHA-1WITHRSA"] = PkcsObjectIdentifiers.Sha1WithRsaEncryption;
algorithms["SHA224WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha224WithRsaEncryption;
algorithms["SHA-224WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha224WithRsaEncryption;
algorithms["SHA224WITHRSA"] = PkcsObjectIdentifiers.Sha224WithRsaEncryption;
algorithms["SHA-224WITHRSA"] = PkcsObjectIdentifiers.Sha224WithRsaEncryption;
algorithms["SHA256WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha256WithRsaEncryption;
algorithms["SHA-256WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha256WithRsaEncryption;
algorithms["SHA256WITHRSA"] = PkcsObjectIdentifiers.Sha256WithRsaEncryption;
algorithms["SHA-256WITHRSA"] = PkcsObjectIdentifiers.Sha256WithRsaEncryption;
algorithms["SHA384WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha384WithRsaEncryption;
algorithms["SHA-384WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha384WithRsaEncryption;
algorithms["SHA384WITHRSA"] = PkcsObjectIdentifiers.Sha384WithRsaEncryption;
algorithms["SHA-384WITHRSA"] = PkcsObjectIdentifiers.Sha384WithRsaEncryption;
algorithms["SHA512WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha512WithRsaEncryption;
algorithms["SHA-512WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha512WithRsaEncryption;
algorithms["SHA512WITHRSA"] = PkcsObjectIdentifiers.Sha512WithRsaEncryption;
algorithms["SHA-512WITHRSA"] = PkcsObjectIdentifiers.Sha512WithRsaEncryption;
algorithms["SHA512(224)WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha512_224WithRSAEncryption;
algorithms["SHA-512(224)WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha512_224WithRSAEncryption;
algorithms["SHA512(224)WITHRSA"] = PkcsObjectIdentifiers.Sha512_224WithRSAEncryption;
algorithms["SHA-512(224)WITHRSA"] = PkcsObjectIdentifiers.Sha512_224WithRSAEncryption;
algorithms["SHA512(256)WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha512_256WithRSAEncryption;
algorithms["SHA-512(256)WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha512_256WithRSAEncryption;
algorithms["SHA512(256)WITHRSA"] = PkcsObjectIdentifiers.Sha512_256WithRSAEncryption;
algorithms["SHA-512(256)WITHRSA"] = PkcsObjectIdentifiers.Sha512_256WithRSAEncryption;
algorithms["SHA1WITHRSAANDMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
algorithms["SHA224WITHRSAANDMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
algorithms["SHA256WITHRSAANDMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
algorithms["SHA384WITHRSAANDMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
algorithms["SHA512WITHRSAANDMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
algorithms["SHA3-224WITHRSAANDMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
algorithms["SHA3-256WITHRSAANDMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
algorithms["SHA3-384WITHRSAANDMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
algorithms["SHA3-512WITHRSAANDMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
algorithms["RIPEMD160WITHRSAENCRYPTION"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160;
algorithms["RIPEMD160WITHRSA"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160;
algorithms["RIPEMD128WITHRSAENCRYPTION"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128;
algorithms["RIPEMD128WITHRSA"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128;
algorithms["RIPEMD256WITHRSAENCRYPTION"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256;
algorithms["RIPEMD256WITHRSA"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256;
algorithms["SHA1WITHDSA"] = X9ObjectIdentifiers.IdDsaWithSha1;
algorithms["SHA-1WITHDSA"] = X9ObjectIdentifiers.IdDsaWithSha1;
algorithms["DSAWITHSHA1"] = X9ObjectIdentifiers.IdDsaWithSha1;
algorithms["SHA224WITHDSA"] = NistObjectIdentifiers.DsaWithSha224;
algorithms["SHA256WITHDSA"] = NistObjectIdentifiers.DsaWithSha256;
algorithms["SHA384WITHDSA"] = NistObjectIdentifiers.DsaWithSha384;
algorithms["SHA512WITHDSA"] = NistObjectIdentifiers.DsaWithSha512;
algorithms["SHA3-224WITHDSA"] = NistObjectIdentifiers.IdDsaWithSha3_224;
algorithms["SHA3-256WITHDSA"] = NistObjectIdentifiers.IdDsaWithSha3_256;
algorithms["SHA3-384WITHDSA"] = NistObjectIdentifiers.IdDsaWithSha3_384;
algorithms["SHA3-512WITHDSA"] = NistObjectIdentifiers.IdDsaWithSha3_512;
algorithms["SHA3-224WITHECDSA"] = NistObjectIdentifiers.IdEcdsaWithSha3_224;
algorithms["SHA3-256WITHECDSA"] = NistObjectIdentifiers.IdEcdsaWithSha3_256;
algorithms["SHA3-384WITHECDSA"] = NistObjectIdentifiers.IdEcdsaWithSha3_384;
algorithms["SHA3-512WITHECDSA"] = NistObjectIdentifiers.IdEcdsaWithSha3_512;
algorithms["SHA3-224WITHRSA"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_224;
algorithms["SHA3-256WITHRSA"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_256;
algorithms["SHA3-384WITHRSA"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_384;
algorithms["SHA3-512WITHRSA"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_512;
algorithms["SHA3-224WITHRSAENCRYPTION"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_224;
algorithms["SHA3-256WITHRSAENCRYPTION"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_256;
algorithms["SHA3-384WITHRSAENCRYPTION"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_384;
algorithms["SHA3-512WITHRSAENCRYPTION"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_512;
algorithms["SHA1WITHECDSA"] = X9ObjectIdentifiers.ECDsaWithSha1;
algorithms["ECDSAWITHSHA1"] = X9ObjectIdentifiers.ECDsaWithSha1;
algorithms["SHA224WITHECDSA"] = X9ObjectIdentifiers.ECDsaWithSha224;
algorithms["SHA256WITHECDSA"] = X9ObjectIdentifiers.ECDsaWithSha256;
algorithms["SHA384WITHECDSA"] = X9ObjectIdentifiers.ECDsaWithSha384;
algorithms["SHA512WITHECDSA"] = X9ObjectIdentifiers.ECDsaWithSha512;
algorithms["GOST3411WITHGOST3410"] = CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94;
algorithms["GOST3411WITHGOST3410-94"] = CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94;
algorithms["GOST3411WITHECGOST3410"] = CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001;
algorithms["GOST3411WITHECGOST3410-2001"] = CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001;
algorithms["GOST3411WITHGOST3410-2001"] = CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001;
algorithms["GOST3411WITHECGOST3410-2012-256"] = RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_256;
algorithms["GOST3411WITHECGOST3410-2012-512"] = RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_512;
algorithms["GOST3411WITHGOST3410-2012-256"] = RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_256;
algorithms["GOST3411WITHGOST3410-2012-512"] = RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_512;
algorithms["GOST3411-2012-256WITHECGOST3410-2012-256"] = RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_256;
algorithms["GOST3411-2012-512WITHECGOST3410-2012-512"] = RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_512;
algorithms["GOST3411-2012-256WITHGOST3410-2012-256"] = RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_256;
algorithms["GOST3411-2012-512WITHGOST3410-2012-512"] = RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_512;
algorithms["SHA1WITHPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_SHA1;
algorithms["SHA224WITHPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_SHA224;
algorithms["SHA256WITHPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_SHA256;
algorithms["SHA384WITHPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_SHA384;
algorithms["SHA512WITHPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_SHA512;
algorithms["RIPEMD160WITHPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_RIPEMD160;
algorithms["SHA1WITHCVC-ECDSA"] = EacObjectIdentifiers.id_TA_ECDSA_SHA_1;
algorithms["SHA224WITHCVC-ECDSA"] = EacObjectIdentifiers.id_TA_ECDSA_SHA_224;
algorithms["SHA256WITHCVC-ECDSA"] = EacObjectIdentifiers.id_TA_ECDSA_SHA_256;
algorithms["SHA384WITHCVC-ECDSA"] = EacObjectIdentifiers.id_TA_ECDSA_SHA_384;
algorithms["SHA512WITHCVC-ECDSA"] = EacObjectIdentifiers.id_TA_ECDSA_SHA_512;
algorithms["SHA3-512WITHSPHINCS256"] = BCObjectIdentifiers.sphincs256_with_SHA3_512;
algorithms["SHA512WITHSPHINCS256"] = BCObjectIdentifiers.sphincs256_with_SHA512;
algorithms["SHA256WITHSM2"] = GMObjectIdentifiers.sm2sign_with_sha256;
algorithms["SM3WITHSM2"] = GMObjectIdentifiers.sm2sign_with_sm3;
algorithms["SHA256WITHXMSS"] = BCObjectIdentifiers.xmss_with_SHA256;
algorithms["SHA512WITHXMSS"] = BCObjectIdentifiers.xmss_with_SHA512;
algorithms["SHAKE128WITHXMSS"] = BCObjectIdentifiers.xmss_with_SHAKE128;
algorithms["SHAKE256WITHXMSS"] = BCObjectIdentifiers.xmss_with_SHAKE256;
algorithms["SHA256WITHXMSSMT"] = BCObjectIdentifiers.xmss_mt_with_SHA256;
algorithms["SHA512WITHXMSSMT"] = BCObjectIdentifiers.xmss_mt_with_SHA512;
algorithms["SHAKE128WITHXMSSMT"] = BCObjectIdentifiers.xmss_mt_with_SHAKE128;
algorithms["SHAKE256WITHXMSSMT"] = BCObjectIdentifiers.xmss_mt_with_SHAKE256;
//
// According to RFC 3279, the ASN.1 encoding SHALL (id-dsa-with-sha1) or MUST (ecdsa-with-SHA*) omit the parameters field.
// The parameters field SHALL be NULL for RSA based signature algorithms.
//
noParams.Add((object)X9ObjectIdentifiers.ECDsaWithSha1);
noParams.Add((object)X9ObjectIdentifiers.ECDsaWithSha224);
noParams.Add((object)X9ObjectIdentifiers.ECDsaWithSha256);
noParams.Add((object)X9ObjectIdentifiers.ECDsaWithSha384);
noParams.Add((object)X9ObjectIdentifiers.ECDsaWithSha512);
noParams.Add((object)X9ObjectIdentifiers.IdDsaWithSha1);
noParams.Add((object)NistObjectIdentifiers.DsaWithSha224);
noParams.Add((object)NistObjectIdentifiers.DsaWithSha256);
noParams.Add((object)NistObjectIdentifiers.DsaWithSha384);
noParams.Add((object)NistObjectIdentifiers.DsaWithSha512);
noParams.Add((object)NistObjectIdentifiers.IdDsaWithSha3_224);
noParams.Add((object)NistObjectIdentifiers.IdDsaWithSha3_256);
noParams.Add((object)NistObjectIdentifiers.IdDsaWithSha3_384);
noParams.Add((object)NistObjectIdentifiers.IdDsaWithSha3_512);
noParams.Add((object)NistObjectIdentifiers.IdEcdsaWithSha3_224);
noParams.Add((object)NistObjectIdentifiers.IdEcdsaWithSha3_256);
noParams.Add((object)NistObjectIdentifiers.IdEcdsaWithSha3_384);
noParams.Add((object)NistObjectIdentifiers.IdEcdsaWithSha3_512);
//
// RFC 4491
//
noParams.Add((object)CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94);
noParams.Add((object)CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001);
noParams.Add((object)RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_256);
noParams.Add((object)RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_512);
//
// SPHINCS-256
//
noParams.Add((object)BCObjectIdentifiers.sphincs256_with_SHA512);
noParams.Add((object)BCObjectIdentifiers.sphincs256_with_SHA3_512);
//
// XMSS
//
noParams.Add((object)BCObjectIdentifiers.xmss_with_SHA256);
noParams.Add((object)BCObjectIdentifiers.xmss_with_SHA512);
noParams.Add((object)BCObjectIdentifiers.xmss_with_SHAKE128);
noParams.Add((object)BCObjectIdentifiers.xmss_with_SHAKE256);
noParams.Add((object)BCObjectIdentifiers.xmss_mt_with_SHA256);
noParams.Add((object)BCObjectIdentifiers.xmss_mt_with_SHA512);
noParams.Add((object)BCObjectIdentifiers.xmss_mt_with_SHAKE128);
noParams.Add((object)BCObjectIdentifiers.xmss_mt_with_SHAKE256);
//
// SM2
//
noParams.Add((object)GMObjectIdentifiers.sm2sign_with_sha256);
noParams.Add((object)GMObjectIdentifiers.sm2sign_with_sm3);
//
// PKCS 1.5 encrypted algorithms
//
pkcs15RsaEncryption.Add((object)PkcsObjectIdentifiers.Sha1WithRsaEncryption);
pkcs15RsaEncryption.Add((object)PkcsObjectIdentifiers.Sha224WithRsaEncryption);
pkcs15RsaEncryption.Add((object)PkcsObjectIdentifiers.Sha256WithRsaEncryption);
pkcs15RsaEncryption.Add((object)PkcsObjectIdentifiers.Sha384WithRsaEncryption);
pkcs15RsaEncryption.Add((object)PkcsObjectIdentifiers.Sha512WithRsaEncryption);
pkcs15RsaEncryption.Add((object)PkcsObjectIdentifiers.Sha512_224WithRSAEncryption);
pkcs15RsaEncryption.Add((object)PkcsObjectIdentifiers.Sha512_256WithRSAEncryption);
pkcs15RsaEncryption.Add((object)TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128);
pkcs15RsaEncryption.Add((object)TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160);
pkcs15RsaEncryption.Add((object)TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256);
pkcs15RsaEncryption.Add((object)NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_224);
pkcs15RsaEncryption.Add((object)NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_256);
pkcs15RsaEncryption.Add((object)NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_384);
pkcs15RsaEncryption.Add((object)NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_512);
//
// explicit params
//
AlgorithmIdentifier sha1AlgId = new AlgorithmIdentifier(OiwObjectIdentifiers.IdSha1, DerNull.Instance);
_params["SHA1WITHRSAANDMGF1"] = CreatePssParams(sha1AlgId, 20);
AlgorithmIdentifier sha224AlgId = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha224, DerNull.Instance);
_params["SHA224WITHRSAANDMGF1"] = CreatePssParams(sha224AlgId, 28);
AlgorithmIdentifier sha256AlgId = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha256, DerNull.Instance);
_params["SHA256WITHRSAANDMGF1"] = CreatePssParams(sha256AlgId, 32);
AlgorithmIdentifier sha384AlgId = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha384, DerNull.Instance);
_params["SHA384WITHRSAANDMGF1"] = CreatePssParams(sha384AlgId, 48);
AlgorithmIdentifier sha512AlgId = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha512, DerNull.Instance);
_params["SHA512WITHRSAANDMGF1"] = CreatePssParams(sha512AlgId, 64);
AlgorithmIdentifier sha3_224AlgId = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha3_224, DerNull.Instance);
_params["SHA3-224WITHRSAANDMGF1"] = CreatePssParams(sha3_224AlgId, 28);
AlgorithmIdentifier sha3_256AlgId = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha3_256, DerNull.Instance);
_params["SHA3-256WITHRSAANDMGF1"] = CreatePssParams(sha3_256AlgId, 32);
AlgorithmIdentifier sha3_384AlgId = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha3_384, DerNull.Instance);
_params["SHA3-384WITHRSAANDMGF1"] = CreatePssParams(sha3_384AlgId, 48);
AlgorithmIdentifier sha3_512AlgId = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha3_512, DerNull.Instance);
_params["SHA3-512WITHRSAANDMGF1"] = CreatePssParams(sha3_512AlgId, 64);
//
// digests
//
digestOids[PkcsObjectIdentifiers.Sha224WithRsaEncryption] = NistObjectIdentifiers.IdSha224;
digestOids[PkcsObjectIdentifiers.Sha256WithRsaEncryption] = NistObjectIdentifiers.IdSha256;
digestOids[PkcsObjectIdentifiers.Sha384WithRsaEncryption] = NistObjectIdentifiers.IdSha384;
digestOids[PkcsObjectIdentifiers.Sha512WithRsaEncryption] = NistObjectIdentifiers.IdSha512;
digestOids[PkcsObjectIdentifiers.Sha512_224WithRSAEncryption] = NistObjectIdentifiers.IdSha512_224;
digestOids[PkcsObjectIdentifiers.Sha512_256WithRSAEncryption] = NistObjectIdentifiers.IdSha512_256;
digestOids[NistObjectIdentifiers.DsaWithSha224] = NistObjectIdentifiers.IdSha224;
digestOids[NistObjectIdentifiers.DsaWithSha256] = NistObjectIdentifiers.IdSha256;
digestOids[NistObjectIdentifiers.DsaWithSha384] = NistObjectIdentifiers.IdSha384;
digestOids[NistObjectIdentifiers.DsaWithSha512] = NistObjectIdentifiers.IdSha512;
digestOids[NistObjectIdentifiers.IdDsaWithSha3_224] = NistObjectIdentifiers.IdSha3_224;
digestOids[NistObjectIdentifiers.IdDsaWithSha3_256] = NistObjectIdentifiers.IdSha3_256;
digestOids[NistObjectIdentifiers.IdDsaWithSha3_384] = NistObjectIdentifiers.IdSha3_384;
digestOids[NistObjectIdentifiers.IdDsaWithSha3_512] = NistObjectIdentifiers.IdSha3_512;
digestOids[NistObjectIdentifiers.IdEcdsaWithSha3_224] = NistObjectIdentifiers.IdSha3_224;
digestOids[NistObjectIdentifiers.IdEcdsaWithSha3_256] = NistObjectIdentifiers.IdSha3_256;
digestOids[NistObjectIdentifiers.IdEcdsaWithSha3_384] = NistObjectIdentifiers.IdSha3_384;
digestOids[NistObjectIdentifiers.IdEcdsaWithSha3_512] = NistObjectIdentifiers.IdSha3_512;
digestOids[NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_224] = NistObjectIdentifiers.IdSha3_224;
digestOids[NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_256] = NistObjectIdentifiers.IdSha3_256;
digestOids[NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_384] = NistObjectIdentifiers.IdSha3_384;
digestOids[NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_512] = NistObjectIdentifiers.IdSha3_512;
digestOids[PkcsObjectIdentifiers.MD2WithRsaEncryption] = PkcsObjectIdentifiers.MD2;
digestOids[PkcsObjectIdentifiers.MD4WithRsaEncryption] = PkcsObjectIdentifiers.MD4;
digestOids[PkcsObjectIdentifiers.MD5WithRsaEncryption] = PkcsObjectIdentifiers.MD5;
digestOids[PkcsObjectIdentifiers.Sha1WithRsaEncryption] = OiwObjectIdentifiers.IdSha1;
digestOids[TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128] = TeleTrusTObjectIdentifiers.RipeMD128;
digestOids[TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160] = TeleTrusTObjectIdentifiers.RipeMD160;
digestOids[TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256] = TeleTrusTObjectIdentifiers.RipeMD256;
digestOids[CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94] = CryptoProObjectIdentifiers.GostR3411;
digestOids[CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001] = CryptoProObjectIdentifiers.GostR3411;
digestOids[RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_256] = RosstandartObjectIdentifiers.id_tc26_gost_3411_12_256;
digestOids[RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_512] = RosstandartObjectIdentifiers.id_tc26_gost_3411_12_512;
digestOids[GMObjectIdentifiers.sm2sign_with_sha256] = NistObjectIdentifiers.IdSha256;
digestOids[GMObjectIdentifiers.sm2sign_with_sm3] = GMObjectIdentifiers.sm3;
}
private static AlgorithmIdentifier Generate(string signatureAlgorithm)
{
AlgorithmIdentifier sigAlgId;
AlgorithmIdentifier encAlgId;
AlgorithmIdentifier digAlgId;
string algorithmName = Strings.ToUpperCase(signatureAlgorithm);
DerObjectIdentifier sigOID = (DerObjectIdentifier)algorithms[algorithmName];
if (sigOID == null)
{
throw new ArgumentException("Unknown signature type requested: " + algorithmName);
}
if (noParams.Contains(sigOID))
{
sigAlgId = new AlgorithmIdentifier(sigOID);
}
else if (_params.Contains(algorithmName))
{
sigAlgId = new AlgorithmIdentifier(sigOID, (Asn1Encodable)_params[algorithmName]);
}
else
{
sigAlgId = new AlgorithmIdentifier(sigOID, DerNull.Instance);
}
if (pkcs15RsaEncryption.Contains(sigOID))
{
encAlgId = new AlgorithmIdentifier(PkcsObjectIdentifiers.RsaEncryption, DerNull.Instance);
}
else
{
encAlgId = sigAlgId;
}
if (sigAlgId.Algorithm.Equals(PkcsObjectIdentifiers.IdRsassaPss))
{
digAlgId = ((RsassaPssParameters)sigAlgId.Parameters).HashAlgorithm;
}
else
{
digAlgId = new AlgorithmIdentifier((DerObjectIdentifier)digestOids[sigOID], DerNull.Instance);
}
return sigAlgId;
}
private static RsassaPssParameters CreatePssParams(AlgorithmIdentifier hashAlgId, int saltSize)
{
return new RsassaPssParameters(
hashAlgId,
new AlgorithmIdentifier(PkcsObjectIdentifiers.IdMgf1, hashAlgId),
new DerInteger(saltSize),
new DerInteger(1));
}
public AlgorithmIdentifier Find(string sigAlgName)
{
return Generate(sigAlgName);
}
}
public class DefaultDigestAlgorithmIdentifierFinder
{
private static readonly IDictionary digestOids = Platform.CreateHashtable();
private static readonly IDictionary digestNameToOids = Platform.CreateHashtable();
static DefaultDigestAlgorithmIdentifierFinder()
{
//
// digests
//
digestOids.Add(OiwObjectIdentifiers.MD4WithRsaEncryption, PkcsObjectIdentifiers.MD4);
digestOids.Add(OiwObjectIdentifiers.MD4WithRsa, PkcsObjectIdentifiers.MD4);
digestOids.Add(OiwObjectIdentifiers.MD5WithRsa, PkcsObjectIdentifiers.MD5);
digestOids.Add(OiwObjectIdentifiers.Sha1WithRsa, OiwObjectIdentifiers.IdSha1);
digestOids.Add(OiwObjectIdentifiers.DsaWithSha1, OiwObjectIdentifiers.IdSha1);
digestOids.Add(PkcsObjectIdentifiers.Sha224WithRsaEncryption, NistObjectIdentifiers.IdSha224);
digestOids.Add(PkcsObjectIdentifiers.Sha256WithRsaEncryption, NistObjectIdentifiers.IdSha256);
digestOids.Add(PkcsObjectIdentifiers.Sha384WithRsaEncryption, NistObjectIdentifiers.IdSha384);
digestOids.Add(PkcsObjectIdentifiers.Sha512WithRsaEncryption, NistObjectIdentifiers.IdSha512);
digestOids.Add(PkcsObjectIdentifiers.Sha512_224WithRSAEncryption, NistObjectIdentifiers.IdSha512_224);
digestOids.Add(PkcsObjectIdentifiers.Sha512_256WithRSAEncryption, NistObjectIdentifiers.IdSha512_256);
digestOids.Add(NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_224, NistObjectIdentifiers.IdSha3_224);
digestOids.Add(NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_256, NistObjectIdentifiers.IdSha3_256);
digestOids.Add(NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_384, NistObjectIdentifiers.IdSha3_384);
digestOids.Add(NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_512, NistObjectIdentifiers.IdSha3_512);
digestOids.Add(PkcsObjectIdentifiers.MD2WithRsaEncryption, PkcsObjectIdentifiers.MD2);
digestOids.Add(PkcsObjectIdentifiers.MD4WithRsaEncryption, PkcsObjectIdentifiers.MD4);
digestOids.Add(PkcsObjectIdentifiers.MD5WithRsaEncryption, PkcsObjectIdentifiers.MD5);
digestOids.Add(PkcsObjectIdentifiers.Sha1WithRsaEncryption, OiwObjectIdentifiers.IdSha1);
digestOids.Add(X9ObjectIdentifiers.ECDsaWithSha1, OiwObjectIdentifiers.IdSha1);
digestOids.Add(X9ObjectIdentifiers.ECDsaWithSha224, NistObjectIdentifiers.IdSha224);
digestOids.Add(X9ObjectIdentifiers.ECDsaWithSha256, NistObjectIdentifiers.IdSha256);
digestOids.Add(X9ObjectIdentifiers.ECDsaWithSha384, NistObjectIdentifiers.IdSha384);
digestOids.Add(X9ObjectIdentifiers.ECDsaWithSha512, NistObjectIdentifiers.IdSha512);
digestOids.Add(X9ObjectIdentifiers.IdDsaWithSha1, OiwObjectIdentifiers.IdSha1);
digestOids.Add(NistObjectIdentifiers.DsaWithSha224, NistObjectIdentifiers.IdSha224);
digestOids.Add(NistObjectIdentifiers.DsaWithSha256, NistObjectIdentifiers.IdSha256);
digestOids.Add(NistObjectIdentifiers.DsaWithSha384, NistObjectIdentifiers.IdSha384);
digestOids.Add(NistObjectIdentifiers.DsaWithSha512, NistObjectIdentifiers.IdSha512);
digestOids.Add(TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128, TeleTrusTObjectIdentifiers.RipeMD128);
digestOids.Add(TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160, TeleTrusTObjectIdentifiers.RipeMD160);
digestOids.Add(TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256, TeleTrusTObjectIdentifiers.RipeMD256);
digestOids.Add(CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94, CryptoProObjectIdentifiers.GostR3411);
digestOids.Add(CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001, CryptoProObjectIdentifiers.GostR3411);
digestNameToOids.Add("SHA-1", OiwObjectIdentifiers.IdSha1);
digestNameToOids.Add("SHA-224", NistObjectIdentifiers.IdSha224);
digestNameToOids.Add("SHA-256", NistObjectIdentifiers.IdSha256);
digestNameToOids.Add("SHA-384", NistObjectIdentifiers.IdSha384);
digestNameToOids.Add("SHA-512", NistObjectIdentifiers.IdSha512);
digestNameToOids.Add("SHA-512/224", NistObjectIdentifiers.IdSha512_224);
digestNameToOids.Add("SHA-512(224)", NistObjectIdentifiers.IdSha512_224);
digestNameToOids.Add("SHA-512/256", NistObjectIdentifiers.IdSha512_256);
digestNameToOids.Add("SHA-512(256)", NistObjectIdentifiers.IdSha512_256);
digestNameToOids.Add("SHA1", OiwObjectIdentifiers.IdSha1);
digestNameToOids.Add("SHA224", NistObjectIdentifiers.IdSha224);
digestNameToOids.Add("SHA256", NistObjectIdentifiers.IdSha256);
digestNameToOids.Add("SHA384", NistObjectIdentifiers.IdSha384);
digestNameToOids.Add("SHA512", NistObjectIdentifiers.IdSha512);
digestNameToOids.Add("SHA512/224", NistObjectIdentifiers.IdSha512_224);
digestNameToOids.Add("SHA512(224)", NistObjectIdentifiers.IdSha512_224);
digestNameToOids.Add("SHA512/256", NistObjectIdentifiers.IdSha512_256);
digestNameToOids.Add("SHA512(256)", NistObjectIdentifiers.IdSha512_256);
digestNameToOids.Add("SHA3-224", NistObjectIdentifiers.IdSha3_224);
digestNameToOids.Add("SHA3-256", NistObjectIdentifiers.IdSha3_256);
digestNameToOids.Add("SHA3-384", NistObjectIdentifiers.IdSha3_384);
digestNameToOids.Add("SHA3-512", NistObjectIdentifiers.IdSha3_512);
digestNameToOids.Add("SHAKE-128", NistObjectIdentifiers.IdShake128);
digestNameToOids.Add("SHAKE-256", NistObjectIdentifiers.IdShake256);
digestNameToOids.Add("GOST3411", CryptoProObjectIdentifiers.GostR3411);
digestNameToOids.Add("MD2", PkcsObjectIdentifiers.MD2);
digestNameToOids.Add("MD4", PkcsObjectIdentifiers.MD4);
digestNameToOids.Add("MD5", PkcsObjectIdentifiers.MD5);
digestNameToOids.Add("RIPEMD128", TeleTrusTObjectIdentifiers.RipeMD128);
digestNameToOids.Add("RIPEMD160", TeleTrusTObjectIdentifiers.RipeMD160);
digestNameToOids.Add("RIPEMD256", TeleTrusTObjectIdentifiers.RipeMD256);
}
public AlgorithmIdentifier find(AlgorithmIdentifier sigAlgId)
{
AlgorithmIdentifier digAlgId;
if (sigAlgId.Algorithm.Equals(PkcsObjectIdentifiers.IdRsassaPss))
{
digAlgId = RsassaPssParameters.GetInstance(sigAlgId.Parameters).HashAlgorithm;
}
else
{
digAlgId = new AlgorithmIdentifier((DerObjectIdentifier)digestOids[sigAlgId.Algorithm], DerNull.Instance);
}
return digAlgId;
}
public AlgorithmIdentifier find(string digAlgName)
{
return new AlgorithmIdentifier((DerObjectIdentifier)digestNameToOids[digAlgName], DerNull.Instance);
}
}
public class CmsSignedGenerator
{
/**
* Default type for the signed data.
*/
public static readonly string Data = CmsObjectIdentifiers.Data.Id;
public static readonly string DigestSha1 = OiwObjectIdentifiers.IdSha1.Id;
public static readonly string DigestSha224 = NistObjectIdentifiers.IdSha224.Id;
public static readonly string DigestSha256 = NistObjectIdentifiers.IdSha256.Id;
public static readonly string DigestSha384 = NistObjectIdentifiers.IdSha384.Id;
public static readonly string DigestSha512 = NistObjectIdentifiers.IdSha512.Id;
public static readonly string DigestSha512_224 = NistObjectIdentifiers.IdSha512_224.Id;
public static readonly string DigestSha512_256 = NistObjectIdentifiers.IdSha512_256.Id;
public static readonly string DigestMD5 = PkcsObjectIdentifiers.MD5.Id;
public static readonly string DigestGost3411 = CryptoProObjectIdentifiers.GostR3411.Id;
public static readonly string DigestRipeMD128 = TeleTrusTObjectIdentifiers.RipeMD128.Id;
public static readonly string DigestRipeMD160 = TeleTrusTObjectIdentifiers.RipeMD160.Id;
public static readonly string DigestRipeMD256 = TeleTrusTObjectIdentifiers.RipeMD256.Id;
public static readonly string EncryptionRsa = PkcsObjectIdentifiers.RsaEncryption.Id;
public static readonly string EncryptionDsa = X9ObjectIdentifiers.IdDsaWithSha1.Id;
public static readonly string EncryptionECDsa = X9ObjectIdentifiers.ECDsaWithSha1.Id;
public static readonly string EncryptionRsaPss = PkcsObjectIdentifiers.IdRsassaPss.Id;
public static readonly string EncryptionGost3410 = CryptoProObjectIdentifiers.GostR3410x94.Id;
public static readonly string EncryptionECGost3410 = CryptoProObjectIdentifiers.GostR3410x2001.Id;
internal IList _certs = Platform.CreateArrayList();
internal IList _crls = Platform.CreateArrayList();
internal IList _signers = Platform.CreateArrayList();
internal IDictionary _digests = Platform.CreateHashtable();
internal bool _useDerForCerts = false;
internal bool _useDerForCrls = false;
protected readonly SecureRandom rand;
protected CmsSignedGenerator()
: this(new SecureRandom())
{
}
/// Constructor allowing specific source of randomness
/// Instance of SecureRandom to use.
protected CmsSignedGenerator(
SecureRandom rand)
{
this.rand = rand;
}
internal protected virtual IDictionary GetBaseParameters(
DerObjectIdentifier contentType,
AlgorithmIdentifier digAlgId,
byte[] hash)
{
IDictionary param = Platform.CreateHashtable();
if (contentType != null)
{
param[CmsAttributeTableParameter.ContentType] = contentType;
}
param[CmsAttributeTableParameter.DigestAlgorithmIdentifier] = digAlgId;
param[CmsAttributeTableParameter.Digest] = hash.Clone();
return param;
}
internal protected virtual Asn1Set GetAttributeSet(
Asn1.Cms.AttributeTable attr)
{
return attr == null
? null
: new DerSet(attr.ToAsn1EncodableVector());
}
public void AddCertificates(
IX509Store certStore)
{
CollectionUtilities.AddRange(_certs, CmsUtilities.GetCertificatesFromStore(certStore));
}
public void AddCrls(
IX509Store crlStore)
{
CollectionUtilities.AddRange(_crls, CmsUtilities.GetCrlsFromStore(crlStore));
}
/**
* Add the attribute certificates contained in the passed in store to the
* generator.
*
* @param store a store of Version 2 attribute certificates
* @throws CmsException if an error occurse processing the store.
*/
public void AddAttributeCertificates(
IX509Store store)
{
try
{
foreach (IX509AttributeCertificate attrCert in store.GetMatches(null))
{
_certs.Add(new DerTaggedObject(false, 2,
AttributeCertificate.GetInstance(Asn1Object.FromByteArray(attrCert.GetEncoded()))));
}
}
catch (Exception e)
{
throw new CmsException("error processing attribute certs", e);
}
}
/**
* Add a store of precalculated signers to the generator.
*
* @param signerStore store of signers
*/
public void AddSigners(
SignerInformationStore signerStore)
{
foreach (SignerInformation o in signerStore.GetSigners())
{
_signers.Add(o);
AddSignerCallback(o);
}
}
/**
* Return a map of oids and byte arrays representing the digests calculated on the content during
* the last generate.
*
* @return a map of oids (as string objects) and byte[] representing digests.
*/
public IDictionary GetGeneratedDigests()
{
return Platform.CreateHashtable(_digests);
}
public bool UseDerForCerts
{
get { return _useDerForCerts; }
set { this._useDerForCerts = value; }
}
public bool UseDerForCrls
{
get { return _useDerForCrls; }
set { this._useDerForCrls = value; }
}
internal virtual void AddSignerCallback(
SignerInformation si)
{
}
internal static SignerIdentifier GetSignerIdentifier(X509Certificate cert)
{
return new SignerIdentifier(CmsUtilities.GetIssuerAndSerialNumber(cert));
}
internal static SignerIdentifier GetSignerIdentifier(byte[] subjectKeyIdentifier)
{
return new SignerIdentifier(new DerOctetString(subjectKeyIdentifier));
}
}
}