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using System;
using System.Collections.Generic;
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.Isara;
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.Security;
using Org.BouncyCastle.Utilities.Collections;
using Org.BouncyCastle.X509;
namespace Org.BouncyCastle.Cms
{
public class DefaultSignatureAlgorithmIdentifierFinder
{
private static readonly IDictionary<string, DerObjectIdentifier> m_algorithms =
new Dictionary<string, DerObjectIdentifier>(StringComparer.OrdinalIgnoreCase);
private static readonly HashSet<DerObjectIdentifier> noParams = new HashSet<DerObjectIdentifier>();
private static readonly IDictionary<string, Asn1Encodable> m_params =
new Dictionary<string, Asn1Encodable>(StringComparer.OrdinalIgnoreCase);
private static readonly HashSet<DerObjectIdentifier> pkcs15RsaEncryption = new HashSet<DerObjectIdentifier>();
private static readonly IDictionary<DerObjectIdentifier, DerObjectIdentifier> m_digestOids =
new Dictionary<DerObjectIdentifier, DerObjectIdentifier>();
//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()
{
m_algorithms["MD2WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.MD2WithRsaEncryption;
m_algorithms["MD2WITHRSA"] = PkcsObjectIdentifiers.MD2WithRsaEncryption;
m_algorithms["MD5WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.MD5WithRsaEncryption;
m_algorithms["MD5WITHRSA"] = PkcsObjectIdentifiers.MD5WithRsaEncryption;
m_algorithms["SHA1WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha1WithRsaEncryption;
m_algorithms["SHA-1WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha1WithRsaEncryption;
m_algorithms["SHA1WITHRSA"] = PkcsObjectIdentifiers.Sha1WithRsaEncryption;
m_algorithms["SHA-1WITHRSA"] = PkcsObjectIdentifiers.Sha1WithRsaEncryption;
m_algorithms["SHA224WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha224WithRsaEncryption;
m_algorithms["SHA-224WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha224WithRsaEncryption;
m_algorithms["SHA224WITHRSA"] = PkcsObjectIdentifiers.Sha224WithRsaEncryption;
m_algorithms["SHA-224WITHRSA"] = PkcsObjectIdentifiers.Sha224WithRsaEncryption;
m_algorithms["SHA256WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha256WithRsaEncryption;
m_algorithms["SHA-256WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha256WithRsaEncryption;
m_algorithms["SHA256WITHRSA"] = PkcsObjectIdentifiers.Sha256WithRsaEncryption;
m_algorithms["SHA-256WITHRSA"] = PkcsObjectIdentifiers.Sha256WithRsaEncryption;
m_algorithms["SHA384WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha384WithRsaEncryption;
m_algorithms["SHA-384WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha384WithRsaEncryption;
m_algorithms["SHA384WITHRSA"] = PkcsObjectIdentifiers.Sha384WithRsaEncryption;
m_algorithms["SHA-384WITHRSA"] = PkcsObjectIdentifiers.Sha384WithRsaEncryption;
m_algorithms["SHA512WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha512WithRsaEncryption;
m_algorithms["SHA-512WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha512WithRsaEncryption;
m_algorithms["SHA512WITHRSA"] = PkcsObjectIdentifiers.Sha512WithRsaEncryption;
m_algorithms["SHA-512WITHRSA"] = PkcsObjectIdentifiers.Sha512WithRsaEncryption;
m_algorithms["SHA512(224)WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha512_224WithRSAEncryption;
m_algorithms["SHA-512(224)WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha512_224WithRSAEncryption;
m_algorithms["SHA512(224)WITHRSA"] = PkcsObjectIdentifiers.Sha512_224WithRSAEncryption;
m_algorithms["SHA-512(224)WITHRSA"] = PkcsObjectIdentifiers.Sha512_224WithRSAEncryption;
m_algorithms["SHA512(256)WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha512_256WithRSAEncryption;
m_algorithms["SHA-512(256)WITHRSAENCRYPTION"] = PkcsObjectIdentifiers.Sha512_256WithRSAEncryption;
m_algorithms["SHA512(256)WITHRSA"] = PkcsObjectIdentifiers.Sha512_256WithRSAEncryption;
m_algorithms["SHA-512(256)WITHRSA"] = PkcsObjectIdentifiers.Sha512_256WithRSAEncryption;
m_algorithms["SHA1WITHRSAANDMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
m_algorithms["SHA224WITHRSAANDMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
m_algorithms["SHA256WITHRSAANDMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
m_algorithms["SHA384WITHRSAANDMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
m_algorithms["SHA512WITHRSAANDMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
m_algorithms["SHA3-224WITHRSAANDMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
m_algorithms["SHA3-256WITHRSAANDMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
m_algorithms["SHA3-384WITHRSAANDMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
m_algorithms["SHA3-512WITHRSAANDMGF1"] = PkcsObjectIdentifiers.IdRsassaPss;
m_algorithms["RIPEMD160WITHRSAENCRYPTION"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160;
m_algorithms["RIPEMD160WITHRSA"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160;
m_algorithms["RIPEMD128WITHRSAENCRYPTION"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128;
m_algorithms["RIPEMD128WITHRSA"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128;
m_algorithms["RIPEMD256WITHRSAENCRYPTION"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256;
m_algorithms["RIPEMD256WITHRSA"] = TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256;
m_algorithms["SHA1WITHDSA"] = X9ObjectIdentifiers.IdDsaWithSha1;
m_algorithms["SHA-1WITHDSA"] = X9ObjectIdentifiers.IdDsaWithSha1;
m_algorithms["DSAWITHSHA1"] = X9ObjectIdentifiers.IdDsaWithSha1;
m_algorithms["SHA224WITHDSA"] = NistObjectIdentifiers.DsaWithSha224;
m_algorithms["SHA256WITHDSA"] = NistObjectIdentifiers.DsaWithSha256;
m_algorithms["SHA384WITHDSA"] = NistObjectIdentifiers.DsaWithSha384;
m_algorithms["SHA512WITHDSA"] = NistObjectIdentifiers.DsaWithSha512;
m_algorithms["SHA3-224WITHDSA"] = NistObjectIdentifiers.IdDsaWithSha3_224;
m_algorithms["SHA3-256WITHDSA"] = NistObjectIdentifiers.IdDsaWithSha3_256;
m_algorithms["SHA3-384WITHDSA"] = NistObjectIdentifiers.IdDsaWithSha3_384;
m_algorithms["SHA3-512WITHDSA"] = NistObjectIdentifiers.IdDsaWithSha3_512;
m_algorithms["SHA3-224WITHECDSA"] = NistObjectIdentifiers.IdEcdsaWithSha3_224;
m_algorithms["SHA3-256WITHECDSA"] = NistObjectIdentifiers.IdEcdsaWithSha3_256;
m_algorithms["SHA3-384WITHECDSA"] = NistObjectIdentifiers.IdEcdsaWithSha3_384;
m_algorithms["SHA3-512WITHECDSA"] = NistObjectIdentifiers.IdEcdsaWithSha3_512;
m_algorithms["SHA3-224WITHRSA"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_224;
m_algorithms["SHA3-256WITHRSA"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_256;
m_algorithms["SHA3-384WITHRSA"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_384;
m_algorithms["SHA3-512WITHRSA"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_512;
m_algorithms["SHA3-224WITHRSAENCRYPTION"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_224;
m_algorithms["SHA3-256WITHRSAENCRYPTION"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_256;
m_algorithms["SHA3-384WITHRSAENCRYPTION"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_384;
m_algorithms["SHA3-512WITHRSAENCRYPTION"] = NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_512;
m_algorithms["SHA1WITHECDSA"] = X9ObjectIdentifiers.ECDsaWithSha1;
m_algorithms["ECDSAWITHSHA1"] = X9ObjectIdentifiers.ECDsaWithSha1;
m_algorithms["SHA224WITHECDSA"] = X9ObjectIdentifiers.ECDsaWithSha224;
m_algorithms["SHA256WITHECDSA"] = X9ObjectIdentifiers.ECDsaWithSha256;
m_algorithms["SHA384WITHECDSA"] = X9ObjectIdentifiers.ECDsaWithSha384;
m_algorithms["SHA512WITHECDSA"] = X9ObjectIdentifiers.ECDsaWithSha512;
m_algorithms["GOST3411WITHGOST3410"] = CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94;
m_algorithms["GOST3411WITHGOST3410-94"] = CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94;
m_algorithms["GOST3411WITHECGOST3410"] = CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001;
m_algorithms["GOST3411WITHECGOST3410-2001"] = CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001;
m_algorithms["GOST3411WITHGOST3410-2001"] = CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001;
m_algorithms["GOST3411WITHECGOST3410-2012-256"] = RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_256;
m_algorithms["GOST3411WITHECGOST3410-2012-512"] = RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_512;
m_algorithms["GOST3411-2012-256WITHECGOST3410"] = RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_256;
m_algorithms["GOST3411-2012-256WITHECGOST3410-2012-256"] = RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_256;
m_algorithms["GOST3411-2012-512WITHECGOST3410"] = RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_512;
m_algorithms["GOST3411-2012-512WITHECGOST3410-2012-512"] = RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_512;
m_algorithms["SHA1WITHPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_SHA1;
m_algorithms["SHA224WITHPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_SHA224;
m_algorithms["SHA256WITHPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_SHA256;
m_algorithms["SHA384WITHPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_SHA384;
m_algorithms["SHA512WITHPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_SHA512;
m_algorithms["RIPEMD160WITHPLAIN-ECDSA"] = BsiObjectIdentifiers.ecdsa_plain_RIPEMD160;
m_algorithms["SHA1WITHCVC-ECDSA"] = EacObjectIdentifiers.id_TA_ECDSA_SHA_1;
m_algorithms["SHA224WITHCVC-ECDSA"] = EacObjectIdentifiers.id_TA_ECDSA_SHA_224;
m_algorithms["SHA256WITHCVC-ECDSA"] = EacObjectIdentifiers.id_TA_ECDSA_SHA_256;
m_algorithms["SHA384WITHCVC-ECDSA"] = EacObjectIdentifiers.id_TA_ECDSA_SHA_384;
m_algorithms["SHA512WITHCVC-ECDSA"] = EacObjectIdentifiers.id_TA_ECDSA_SHA_512;
m_algorithms["SHA3-512WITHSPHINCS256"] = BCObjectIdentifiers.sphincs256_with_SHA3_512;
m_algorithms["SHA512WITHSPHINCS256"] = BCObjectIdentifiers.sphincs256_with_SHA512;
m_algorithms["SHA256WITHSM2"] = GMObjectIdentifiers.sm2sign_with_sha256;
m_algorithms["SM3WITHSM2"] = GMObjectIdentifiers.sm2sign_with_sm3;
m_algorithms["SHA256WITHXMSS"] = BCObjectIdentifiers.xmss_SHA256ph;
m_algorithms["SHA512WITHXMSS"] = BCObjectIdentifiers.xmss_SHA512ph;
m_algorithms["SHAKE128WITHXMSS"] = BCObjectIdentifiers.xmss_SHAKE128ph;
m_algorithms["SHAKE256WITHXMSS"] = BCObjectIdentifiers.xmss_SHAKE256ph;
m_algorithms["SHA256WITHXMSSMT"] = BCObjectIdentifiers.xmss_mt_SHA256ph;
m_algorithms["SHA512WITHXMSSMT"] = BCObjectIdentifiers.xmss_mt_SHA512ph;
m_algorithms["SHAKE128WITHXMSSMT"] = BCObjectIdentifiers.xmss_mt_SHAKE128ph;
m_algorithms["SHAKE256WITHXMSSMT"] = BCObjectIdentifiers.xmss_mt_SHAKE256ph;
m_algorithms["SHA256WITHXMSS-SHA256"] = BCObjectIdentifiers.xmss_SHA256ph;
m_algorithms["SHA512WITHXMSS-SHA512"] = BCObjectIdentifiers.xmss_SHA512ph;
m_algorithms["SHAKE128WITHXMSS-SHAKE128"] = BCObjectIdentifiers.xmss_SHAKE128ph;
m_algorithms["SHAKE256WITHXMSS-SHAKE256"] = BCObjectIdentifiers.xmss_SHAKE256ph;
m_algorithms["SHA256WITHXMSSMT-SHA256"] = BCObjectIdentifiers.xmss_mt_SHA256ph;
m_algorithms["SHA512WITHXMSSMT-SHA512"] = BCObjectIdentifiers.xmss_mt_SHA512ph;
m_algorithms["SHAKE128WITHXMSSMT-SHAKE128"] = BCObjectIdentifiers.xmss_mt_SHAKE128ph;
m_algorithms["SHAKE256WITHXMSSMT-SHAKE256"] = BCObjectIdentifiers.xmss_mt_SHAKE256ph;
m_algorithms["XMSS"] = IsaraObjectIdentifiers.id_alg_xmss;
m_algorithms["XMSS-SHA256"] = BCObjectIdentifiers.xmss_SHA256;
m_algorithms["XMSS-SHA512"] = BCObjectIdentifiers.xmss_SHA512;
m_algorithms["XMSS-SHAKE128"] = BCObjectIdentifiers.xmss_SHAKE128;
m_algorithms["XMSS-SHAKE256"] = BCObjectIdentifiers.xmss_SHAKE256;
m_algorithms["XMSSMT"] = IsaraObjectIdentifiers.id_alg_xmssmt;
m_algorithms["XMSSMT-SHA256"] = BCObjectIdentifiers.xmss_mt_SHA256;
m_algorithms["XMSSMT-SHA512"] = BCObjectIdentifiers.xmss_mt_SHA512;
m_algorithms["XMSSMT-SHAKE128"] = BCObjectIdentifiers.xmss_mt_SHAKE128;
m_algorithms["XMSSMT-SHAKE256"] = BCObjectIdentifiers.xmss_mt_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(X9ObjectIdentifiers.ECDsaWithSha1);
noParams.Add(X9ObjectIdentifiers.ECDsaWithSha224);
noParams.Add(X9ObjectIdentifiers.ECDsaWithSha256);
noParams.Add(X9ObjectIdentifiers.ECDsaWithSha384);
noParams.Add(X9ObjectIdentifiers.ECDsaWithSha512);
noParams.Add(X9ObjectIdentifiers.IdDsaWithSha1);
noParams.Add(NistObjectIdentifiers.DsaWithSha224);
noParams.Add(NistObjectIdentifiers.DsaWithSha256);
noParams.Add(NistObjectIdentifiers.DsaWithSha384);
noParams.Add(NistObjectIdentifiers.DsaWithSha512);
noParams.Add(NistObjectIdentifiers.IdDsaWithSha3_224);
noParams.Add(NistObjectIdentifiers.IdDsaWithSha3_256);
noParams.Add(NistObjectIdentifiers.IdDsaWithSha3_384);
noParams.Add(NistObjectIdentifiers.IdDsaWithSha3_512);
noParams.Add(NistObjectIdentifiers.IdEcdsaWithSha3_224);
noParams.Add(NistObjectIdentifiers.IdEcdsaWithSha3_256);
noParams.Add(NistObjectIdentifiers.IdEcdsaWithSha3_384);
noParams.Add(NistObjectIdentifiers.IdEcdsaWithSha3_512);
//
// RFC 4491
//
noParams.Add(CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94);
noParams.Add(CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001);
noParams.Add(RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_256);
noParams.Add(RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_512);
//
// SPHINCS-256
//
noParams.Add(BCObjectIdentifiers.sphincs256_with_SHA512);
noParams.Add(BCObjectIdentifiers.sphincs256_with_SHA3_512);
//
// XMSS
//
noParams.Add(BCObjectIdentifiers.xmss_SHA256ph);
noParams.Add(BCObjectIdentifiers.xmss_SHA512ph);
noParams.Add(BCObjectIdentifiers.xmss_SHAKE128ph);
noParams.Add(BCObjectIdentifiers.xmss_SHAKE256ph);
noParams.Add(BCObjectIdentifiers.xmss_mt_SHA256ph);
noParams.Add(BCObjectIdentifiers.xmss_mt_SHA512ph);
noParams.Add(BCObjectIdentifiers.xmss_mt_SHAKE128ph);
noParams.Add(BCObjectIdentifiers.xmss_mt_SHAKE256ph);
noParams.Add(BCObjectIdentifiers.xmss_SHA256);
noParams.Add(BCObjectIdentifiers.xmss_SHA512);
noParams.Add(BCObjectIdentifiers.xmss_SHAKE128);
noParams.Add(BCObjectIdentifiers.xmss_SHAKE256);
noParams.Add(BCObjectIdentifiers.xmss_mt_SHA256);
noParams.Add(BCObjectIdentifiers.xmss_mt_SHA512);
noParams.Add(BCObjectIdentifiers.xmss_mt_SHAKE128);
noParams.Add(BCObjectIdentifiers.xmss_mt_SHAKE256);
noParams.Add(IsaraObjectIdentifiers.id_alg_xmss);
noParams.Add(IsaraObjectIdentifiers.id_alg_xmssmt);
//
// SM2
//
noParams.Add(GMObjectIdentifiers.sm2sign_with_sha256);
noParams.Add(GMObjectIdentifiers.sm2sign_with_sm3);
//
// PKCS 1.5 encrypted algorithms
//
pkcs15RsaEncryption.Add(PkcsObjectIdentifiers.Sha1WithRsaEncryption);
pkcs15RsaEncryption.Add(PkcsObjectIdentifiers.Sha224WithRsaEncryption);
pkcs15RsaEncryption.Add(PkcsObjectIdentifiers.Sha256WithRsaEncryption);
pkcs15RsaEncryption.Add(PkcsObjectIdentifiers.Sha384WithRsaEncryption);
pkcs15RsaEncryption.Add(PkcsObjectIdentifiers.Sha512WithRsaEncryption);
pkcs15RsaEncryption.Add(PkcsObjectIdentifiers.Sha512_224WithRSAEncryption);
pkcs15RsaEncryption.Add(PkcsObjectIdentifiers.Sha512_256WithRSAEncryption);
pkcs15RsaEncryption.Add(TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128);
pkcs15RsaEncryption.Add(TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160);
pkcs15RsaEncryption.Add(TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256);
pkcs15RsaEncryption.Add(NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_224);
pkcs15RsaEncryption.Add(NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_256);
pkcs15RsaEncryption.Add(NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_384);
pkcs15RsaEncryption.Add(NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_512);
//
// explicit params
//
AlgorithmIdentifier sha1AlgId = new AlgorithmIdentifier(OiwObjectIdentifiers.IdSha1, DerNull.Instance);
m_params["SHA1WITHRSAANDMGF1"] = CreatePssParams(sha1AlgId, 20);
AlgorithmIdentifier sha224AlgId = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha224, DerNull.Instance);
m_params["SHA224WITHRSAANDMGF1"] = CreatePssParams(sha224AlgId, 28);
AlgorithmIdentifier sha256AlgId = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha256, DerNull.Instance);
m_params["SHA256WITHRSAANDMGF1"] = CreatePssParams(sha256AlgId, 32);
AlgorithmIdentifier sha384AlgId = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha384, DerNull.Instance);
m_params["SHA384WITHRSAANDMGF1"] = CreatePssParams(sha384AlgId, 48);
AlgorithmIdentifier sha512AlgId = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha512, DerNull.Instance);
m_params["SHA512WITHRSAANDMGF1"] = CreatePssParams(sha512AlgId, 64);
AlgorithmIdentifier sha3_224AlgId = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha3_224, DerNull.Instance);
m_params["SHA3-224WITHRSAANDMGF1"] = CreatePssParams(sha3_224AlgId, 28);
AlgorithmIdentifier sha3_256AlgId = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha3_256, DerNull.Instance);
m_params["SHA3-256WITHRSAANDMGF1"] = CreatePssParams(sha3_256AlgId, 32);
AlgorithmIdentifier sha3_384AlgId = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha3_384, DerNull.Instance);
m_params["SHA3-384WITHRSAANDMGF1"] = CreatePssParams(sha3_384AlgId, 48);
AlgorithmIdentifier sha3_512AlgId = new AlgorithmIdentifier(NistObjectIdentifiers.IdSha3_512, DerNull.Instance);
m_params["SHA3-512WITHRSAANDMGF1"] = CreatePssParams(sha3_512AlgId, 64);
//
// digests
//
m_digestOids[PkcsObjectIdentifiers.Sha224WithRsaEncryption] = NistObjectIdentifiers.IdSha224;
m_digestOids[PkcsObjectIdentifiers.Sha256WithRsaEncryption] = NistObjectIdentifiers.IdSha256;
m_digestOids[PkcsObjectIdentifiers.Sha384WithRsaEncryption] = NistObjectIdentifiers.IdSha384;
m_digestOids[PkcsObjectIdentifiers.Sha512WithRsaEncryption] = NistObjectIdentifiers.IdSha512;
m_digestOids[PkcsObjectIdentifiers.Sha512_224WithRSAEncryption] = NistObjectIdentifiers.IdSha512_224;
m_digestOids[PkcsObjectIdentifiers.Sha512_256WithRSAEncryption] = NistObjectIdentifiers.IdSha512_256;
m_digestOids[NistObjectIdentifiers.DsaWithSha224] = NistObjectIdentifiers.IdSha224;
m_digestOids[NistObjectIdentifiers.DsaWithSha256] = NistObjectIdentifiers.IdSha256;
m_digestOids[NistObjectIdentifiers.DsaWithSha384] = NistObjectIdentifiers.IdSha384;
m_digestOids[NistObjectIdentifiers.DsaWithSha512] = NistObjectIdentifiers.IdSha512;
m_digestOids[NistObjectIdentifiers.IdDsaWithSha3_224] = NistObjectIdentifiers.IdSha3_224;
m_digestOids[NistObjectIdentifiers.IdDsaWithSha3_256] = NistObjectIdentifiers.IdSha3_256;
m_digestOids[NistObjectIdentifiers.IdDsaWithSha3_384] = NistObjectIdentifiers.IdSha3_384;
m_digestOids[NistObjectIdentifiers.IdDsaWithSha3_512] = NistObjectIdentifiers.IdSha3_512;
m_digestOids[NistObjectIdentifiers.IdEcdsaWithSha3_224] = NistObjectIdentifiers.IdSha3_224;
m_digestOids[NistObjectIdentifiers.IdEcdsaWithSha3_256] = NistObjectIdentifiers.IdSha3_256;
m_digestOids[NistObjectIdentifiers.IdEcdsaWithSha3_384] = NistObjectIdentifiers.IdSha3_384;
m_digestOids[NistObjectIdentifiers.IdEcdsaWithSha3_512] = NistObjectIdentifiers.IdSha3_512;
m_digestOids[NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_224] = NistObjectIdentifiers.IdSha3_224;
m_digestOids[NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_256] = NistObjectIdentifiers.IdSha3_256;
m_digestOids[NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_384] = NistObjectIdentifiers.IdSha3_384;
m_digestOids[NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_512] = NistObjectIdentifiers.IdSha3_512;
m_digestOids[PkcsObjectIdentifiers.MD2WithRsaEncryption] = PkcsObjectIdentifiers.MD2;
m_digestOids[PkcsObjectIdentifiers.MD4WithRsaEncryption] = PkcsObjectIdentifiers.MD4;
m_digestOids[PkcsObjectIdentifiers.MD5WithRsaEncryption] = PkcsObjectIdentifiers.MD5;
m_digestOids[PkcsObjectIdentifiers.Sha1WithRsaEncryption] = OiwObjectIdentifiers.IdSha1;
m_digestOids[TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128] = TeleTrusTObjectIdentifiers.RipeMD128;
m_digestOids[TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160] = TeleTrusTObjectIdentifiers.RipeMD160;
m_digestOids[TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256] = TeleTrusTObjectIdentifiers.RipeMD256;
m_digestOids[CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94] = CryptoProObjectIdentifiers.GostR3411;
m_digestOids[CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001] = CryptoProObjectIdentifiers.GostR3411;
m_digestOids[RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_256] = RosstandartObjectIdentifiers.id_tc26_gost_3411_12_256;
m_digestOids[RosstandartObjectIdentifiers.id_tc26_signwithdigest_gost_3410_12_512] = RosstandartObjectIdentifiers.id_tc26_gost_3411_12_512;
m_digestOids[GMObjectIdentifiers.sm2sign_with_sha256] = NistObjectIdentifiers.IdSha256;
m_digestOids[GMObjectIdentifiers.sm2sign_with_sm3] = GMObjectIdentifiers.sm3;
}
private static AlgorithmIdentifier Generate(string signatureAlgorithm)
{
AlgorithmIdentifier sigAlgId;
//AlgorithmIdentifier encAlgId;
//AlgorithmIdentifier digAlgId;
if (!m_algorithms.TryGetValue(signatureAlgorithm, out var sigOid))
throw new ArgumentException("Unknown signature type requested: " + signatureAlgorithm);
if (noParams.Contains(sigOid))
{
sigAlgId = new AlgorithmIdentifier(sigOid);
}
else if (m_params.TryGetValue(signatureAlgorithm, out var explicitParameters))
{
sigAlgId = new AlgorithmIdentifier(sigOid, explicitParameters);
}
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(m_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<DerObjectIdentifier, DerObjectIdentifier> m_digestOids =
new Dictionary<DerObjectIdentifier, DerObjectIdentifier>();
private static readonly IDictionary<string, DerObjectIdentifier> m_digestNameToOids =
new Dictionary<string, DerObjectIdentifier>(StringComparer.OrdinalIgnoreCase);
static DefaultDigestAlgorithmIdentifierFinder()
{
//
// digests
//
m_digestOids.Add(OiwObjectIdentifiers.MD4WithRsaEncryption, PkcsObjectIdentifiers.MD4);
m_digestOids.Add(OiwObjectIdentifiers.MD4WithRsa, PkcsObjectIdentifiers.MD4);
m_digestOids.Add(OiwObjectIdentifiers.MD5WithRsa, PkcsObjectIdentifiers.MD5);
m_digestOids.Add(OiwObjectIdentifiers.Sha1WithRsa, OiwObjectIdentifiers.IdSha1);
m_digestOids.Add(OiwObjectIdentifiers.DsaWithSha1, OiwObjectIdentifiers.IdSha1);
m_digestOids.Add(PkcsObjectIdentifiers.Sha224WithRsaEncryption, NistObjectIdentifiers.IdSha224);
m_digestOids.Add(PkcsObjectIdentifiers.Sha256WithRsaEncryption, NistObjectIdentifiers.IdSha256);
m_digestOids.Add(PkcsObjectIdentifiers.Sha384WithRsaEncryption, NistObjectIdentifiers.IdSha384);
m_digestOids.Add(PkcsObjectIdentifiers.Sha512WithRsaEncryption, NistObjectIdentifiers.IdSha512);
m_digestOids.Add(PkcsObjectIdentifiers.Sha512_224WithRSAEncryption, NistObjectIdentifiers.IdSha512_224);
m_digestOids.Add(PkcsObjectIdentifiers.Sha512_256WithRSAEncryption, NistObjectIdentifiers.IdSha512_256);
m_digestOids.Add(NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_224, NistObjectIdentifiers.IdSha3_224);
m_digestOids.Add(NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_256, NistObjectIdentifiers.IdSha3_256);
m_digestOids.Add(NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_384, NistObjectIdentifiers.IdSha3_384);
m_digestOids.Add(NistObjectIdentifiers.IdRsassaPkcs1V15WithSha3_512, NistObjectIdentifiers.IdSha3_512);
m_digestOids.Add(PkcsObjectIdentifiers.MD2WithRsaEncryption, PkcsObjectIdentifiers.MD2);
m_digestOids.Add(PkcsObjectIdentifiers.MD4WithRsaEncryption, PkcsObjectIdentifiers.MD4);
m_digestOids.Add(PkcsObjectIdentifiers.MD5WithRsaEncryption, PkcsObjectIdentifiers.MD5);
m_digestOids.Add(PkcsObjectIdentifiers.Sha1WithRsaEncryption, OiwObjectIdentifiers.IdSha1);
m_digestOids.Add(X9ObjectIdentifiers.ECDsaWithSha1, OiwObjectIdentifiers.IdSha1);
m_digestOids.Add(X9ObjectIdentifiers.ECDsaWithSha224, NistObjectIdentifiers.IdSha224);
m_digestOids.Add(X9ObjectIdentifiers.ECDsaWithSha256, NistObjectIdentifiers.IdSha256);
m_digestOids.Add(X9ObjectIdentifiers.ECDsaWithSha384, NistObjectIdentifiers.IdSha384);
m_digestOids.Add(X9ObjectIdentifiers.ECDsaWithSha512, NistObjectIdentifiers.IdSha512);
m_digestOids.Add(X9ObjectIdentifiers.IdDsaWithSha1, OiwObjectIdentifiers.IdSha1);
m_digestOids.Add(NistObjectIdentifiers.DsaWithSha224, NistObjectIdentifiers.IdSha224);
m_digestOids.Add(NistObjectIdentifiers.DsaWithSha256, NistObjectIdentifiers.IdSha256);
m_digestOids.Add(NistObjectIdentifiers.DsaWithSha384, NistObjectIdentifiers.IdSha384);
m_digestOids.Add(NistObjectIdentifiers.DsaWithSha512, NistObjectIdentifiers.IdSha512);
m_digestOids.Add(TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD128, TeleTrusTObjectIdentifiers.RipeMD128);
m_digestOids.Add(TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD160, TeleTrusTObjectIdentifiers.RipeMD160);
m_digestOids.Add(TeleTrusTObjectIdentifiers.RsaSignatureWithRipeMD256, TeleTrusTObjectIdentifiers.RipeMD256);
m_digestOids.Add(CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x94, CryptoProObjectIdentifiers.GostR3411);
m_digestOids.Add(CryptoProObjectIdentifiers.GostR3411x94WithGostR3410x2001, CryptoProObjectIdentifiers.GostR3411);
m_digestNameToOids.Add("SHA-1", OiwObjectIdentifiers.IdSha1);
m_digestNameToOids.Add("SHA-224", NistObjectIdentifiers.IdSha224);
m_digestNameToOids.Add("SHA-256", NistObjectIdentifiers.IdSha256);
m_digestNameToOids.Add("SHA-384", NistObjectIdentifiers.IdSha384);
m_digestNameToOids.Add("SHA-512", NistObjectIdentifiers.IdSha512);
m_digestNameToOids.Add("SHA-512/224", NistObjectIdentifiers.IdSha512_224);
m_digestNameToOids.Add("SHA-512(224)", NistObjectIdentifiers.IdSha512_224);
m_digestNameToOids.Add("SHA-512/256", NistObjectIdentifiers.IdSha512_256);
m_digestNameToOids.Add("SHA-512(256)", NistObjectIdentifiers.IdSha512_256);
m_digestNameToOids.Add("SHA1", OiwObjectIdentifiers.IdSha1);
m_digestNameToOids.Add("SHA224", NistObjectIdentifiers.IdSha224);
m_digestNameToOids.Add("SHA256", NistObjectIdentifiers.IdSha256);
m_digestNameToOids.Add("SHA384", NistObjectIdentifiers.IdSha384);
m_digestNameToOids.Add("SHA512", NistObjectIdentifiers.IdSha512);
m_digestNameToOids.Add("SHA512/224", NistObjectIdentifiers.IdSha512_224);
m_digestNameToOids.Add("SHA512(224)", NistObjectIdentifiers.IdSha512_224);
m_digestNameToOids.Add("SHA512/256", NistObjectIdentifiers.IdSha512_256);
m_digestNameToOids.Add("SHA512(256)", NistObjectIdentifiers.IdSha512_256);
m_digestNameToOids.Add("SHA3-224", NistObjectIdentifiers.IdSha3_224);
m_digestNameToOids.Add("SHA3-256", NistObjectIdentifiers.IdSha3_256);
m_digestNameToOids.Add("SHA3-384", NistObjectIdentifiers.IdSha3_384);
m_digestNameToOids.Add("SHA3-512", NistObjectIdentifiers.IdSha3_512);
m_digestNameToOids.Add("SHAKE-128", NistObjectIdentifiers.IdShake128);
m_digestNameToOids.Add("SHAKE-256", NistObjectIdentifiers.IdShake256);
m_digestNameToOids.Add("GOST3411", CryptoProObjectIdentifiers.GostR3411);
m_digestNameToOids.Add("MD2", PkcsObjectIdentifiers.MD2);
m_digestNameToOids.Add("MD4", PkcsObjectIdentifiers.MD4);
m_digestNameToOids.Add("MD5", PkcsObjectIdentifiers.MD5);
m_digestNameToOids.Add("RIPEMD128", TeleTrusTObjectIdentifiers.RipeMD128);
m_digestNameToOids.Add("RIPEMD160", TeleTrusTObjectIdentifiers.RipeMD160);
m_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(m_digestOids[sigAlgId.Algorithm], DerNull.Instance);
}
return digAlgId;
}
public AlgorithmIdentifier Find(string digAlgName)
{
return new AlgorithmIdentifier(m_digestNameToOids[digAlgName], DerNull.Instance);
}
}
public abstract 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;
public static readonly string EncryptionECGost3410_2012_256 = RosstandartObjectIdentifiers.id_tc26_gost_3410_12_256.Id;
public static readonly string EncryptionECGost3410_2012_512 = RosstandartObjectIdentifiers.id_tc26_gost_3410_12_512.Id;
internal List<Asn1Encodable> _certs = new List<Asn1Encodable>();
internal List<Asn1Encodable> _crls = new List<Asn1Encodable>();
internal IList<SignerInformation> _signers = new List<SignerInformation>();
internal IDictionary<string, byte[]> m_digests =
new Dictionary<string, byte[]>(StringComparer.OrdinalIgnoreCase);
internal bool _useDerForCerts = false;
internal bool _useDerForCrls = false;
protected readonly SecureRandom m_random;
protected CmsSignedGenerator()
: this(CryptoServicesRegistrar.GetSecureRandom())
{
}
/// <summary>Constructor allowing specific source of randomness</summary>
/// <param name="random">Instance of <c>SecureRandom</c> to use.</param>
protected CmsSignedGenerator(SecureRandom random)
{
if (random == null)
throw new ArgumentNullException(nameof(random));
m_random = random;
}
internal protected virtual IDictionary<CmsAttributeTableParameter, object> GetBaseParameters(
DerObjectIdentifier contentType, AlgorithmIdentifier digAlgId, byte[] hash)
{
var param = new Dictionary<CmsAttributeTableParameter, object>();
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
: DerSet.FromVector(attr.ToAsn1EncodableVector());
}
public void AddAttributeCertificate(X509V2AttributeCertificate attrCert)
{
_certs.Add(new DerTaggedObject(false, 2, attrCert.AttributeCertificate));
}
public void AddAttributeCertificates(IStore<X509V2AttributeCertificate> attrCertStore)
{
_certs.AddRange(CmsUtilities.GetAttributeCertificatesFromStore(attrCertStore));
}
public void AddCertificate(X509Certificate cert)
{
_certs.Add(cert.CertificateStructure);
}
public void AddCertificates(IStore<X509Certificate> certStore)
{
_certs.AddRange(CmsUtilities.GetCertificatesFromStore(certStore));
}
public void AddCrl(X509Crl crl)
{
_crls.Add(crl.CertificateList);
}
public void AddCrls(IStore<X509Crl> crlStore)
{
_crls.AddRange(CmsUtilities.GetCrlsFromStore(crlStore));
}
public void AddOtherRevocationInfo(OtherRevocationInfoFormat otherRevocationInfo)
{
CmsUtilities.ValidateOtherRevocationInfo(otherRevocationInfo);
_crls.Add(new DerTaggedObject(false, 1, otherRevocationInfo));
}
public void AddOtherRevocationInfos(IStore<OtherRevocationInfoFormat> otherRevocationInfoStore)
{
_crls.AddRange(CmsUtilities.GetOtherRevocationInfosFromStore(otherRevocationInfoStore));
}
public void AddOtherRevocationInfos(DerObjectIdentifier otherRevInfoFormat,
IStore<Asn1Encodable> otherRevInfoStore)
{
_crls.AddRange(CmsUtilities.GetOtherRevocationInfosFromStore(otherRevInfoStore, otherRevInfoFormat));
}
/**
* 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<string, byte[]> GetGeneratedDigests()
{
return new Dictionary<string, byte[]>(m_digests, StringComparer.OrdinalIgnoreCase);
}
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));
}
}
}
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