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107 lines
4.3 KiB
107 lines
4.3 KiB
1 year ago
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#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
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#pragma warning disable
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using System;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Pkcs;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Security;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Pkcs
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{
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public sealed class EncryptedPrivateKeyInfoFactory
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{
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private EncryptedPrivateKeyInfoFactory()
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{
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}
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public static EncryptedPrivateKeyInfo CreateEncryptedPrivateKeyInfo(
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DerObjectIdentifier algorithm,
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char[] passPhrase,
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byte[] salt,
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int iterationCount,
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AsymmetricKeyParameter key)
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{
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return CreateEncryptedPrivateKeyInfo(
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algorithm.Id, passPhrase, salt, iterationCount,
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PrivateKeyInfoFactory.CreatePrivateKeyInfo(key));
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}
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public static EncryptedPrivateKeyInfo CreateEncryptedPrivateKeyInfo(
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string algorithm,
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char[] passPhrase,
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byte[] salt,
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int iterationCount,
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AsymmetricKeyParameter key)
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{
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return CreateEncryptedPrivateKeyInfo(
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algorithm, passPhrase, salt, iterationCount,
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PrivateKeyInfoFactory.CreatePrivateKeyInfo(key));
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}
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public static EncryptedPrivateKeyInfo CreateEncryptedPrivateKeyInfo(
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string algorithm,
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char[] passPhrase,
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byte[] salt,
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int iterationCount,
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PrivateKeyInfo keyInfo)
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{
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IBufferedCipher cipher = PbeUtilities.CreateEngine(algorithm) as IBufferedCipher;
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if (cipher == null)
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throw new Exception("Unknown encryption algorithm: " + algorithm);
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Asn1Encodable pbeParameters = PbeUtilities.GenerateAlgorithmParameters(
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algorithm, salt, iterationCount);
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ICipherParameters cipherParameters = PbeUtilities.GenerateCipherParameters(
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algorithm, passPhrase, pbeParameters);
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cipher.Init(true, cipherParameters);
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byte[] encoding = cipher.DoFinal(keyInfo.GetEncoded());
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DerObjectIdentifier oid = PbeUtilities.GetObjectIdentifier(algorithm);
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AlgorithmIdentifier algID = new AlgorithmIdentifier(oid, pbeParameters);
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return new EncryptedPrivateKeyInfo(algID, encoding);
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}
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public static EncryptedPrivateKeyInfo CreateEncryptedPrivateKeyInfo(
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DerObjectIdentifier cipherAlgorithm,
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DerObjectIdentifier prfAlgorithm,
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char[] passPhrase,
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byte[] salt,
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int iterationCount,
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SecureRandom random,
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AsymmetricKeyParameter key)
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{
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return CreateEncryptedPrivateKeyInfo(
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cipherAlgorithm, prfAlgorithm, passPhrase, salt, iterationCount, random,
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PrivateKeyInfoFactory.CreatePrivateKeyInfo(key));
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}
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public static EncryptedPrivateKeyInfo CreateEncryptedPrivateKeyInfo(
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DerObjectIdentifier cipherAlgorithm,
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DerObjectIdentifier prfAlgorithm,
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char[] passPhrase,
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byte[] salt,
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int iterationCount,
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SecureRandom random,
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PrivateKeyInfo keyInfo)
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{
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IBufferedCipher cipher = CipherUtilities.GetCipher(cipherAlgorithm) as IBufferedCipher;
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if (cipher == null)
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throw new Exception("Unknown encryption algorithm: " + cipherAlgorithm);
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Asn1Encodable pbeParameters = PbeUtilities.GenerateAlgorithmParameters(
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cipherAlgorithm, prfAlgorithm, salt, iterationCount, random);
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ICipherParameters cipherParameters = PbeUtilities.GenerateCipherParameters(
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PkcsObjectIdentifiers.IdPbeS2, passPhrase, pbeParameters);
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cipher.Init(true, cipherParameters);
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byte[] encoding = cipher.DoFinal(keyInfo.GetEncoded());
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AlgorithmIdentifier algID = new AlgorithmIdentifier(PkcsObjectIdentifiers.IdPbeS2, pbeParameters);
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return new EncryptedPrivateKeyInfo(algID, encoding);
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}
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}
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}
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#pragma warning restore
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#endif
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