コード例 #1
0
ファイル: Pgp.cs プロジェクト: waffle-iron/nequeo
        /// <summary>
        /// Public and secret key provider.
        /// </summary>
        /// <param name="publicKey">The public key data.</param>
        /// <param name="secretKey">The secret key data.</param>
        /// <param name="keyID">The unique key id of the public secret key pair.</param>
        /// <param name="password">The password used to protect the secret key.</param>
        /// <returns>The RSA cryto service provider.</returns>
        public RSACryptoServiceProvider PublicKeySecretKey(System.IO.Stream publicKey, System.IO.Stream secretKey, long keyID, string password = null)
        {
            // Read the public key data.
            Key.Bcpg.OpenPgp.PgpPublicKey pgpPublicKey = ReadPublicKey(publicKey);

            // Find the secret key
            Key.Bcpg.OpenPgp.PgpPrivateKey          privateKey          = null;
            Key.Bcpg.OpenPgp.PgpSecretKeyRingBundle secretKeyRingBundle =
                new Key.Bcpg.OpenPgp.PgpSecretKeyRingBundle(Key.Bcpg.OpenPgp.PgpUtilities.GetDecoderStream(secretKey));

            // Find the private key (secret key).
            privateKey = FindSecretKey(secretKeyRingBundle, keyID, password.ToArray());

            // Assign the rsa parameters.
            RSAParameters rsaPrivateParam = new RSAParameters();

            Key.Crypto.Parameters.RsaKeyParameters           rsaPrivatePublic   = (Key.Crypto.Parameters.RsaKeyParameters)pgpPublicKey.GetKey();
            Key.Crypto.Parameters.RsaPrivateCrtKeyParameters rsaCrtPrivateParam = (Key.Crypto.Parameters.RsaPrivateCrtKeyParameters)privateKey.Key;

            // Assign the rsa parameters.
            rsaPrivateParam.D        = rsaCrtPrivateParam.Exponent.ToByteArrayUnsigned();
            rsaPrivateParam.DP       = rsaCrtPrivateParam.DP.ToByteArrayUnsigned();
            rsaPrivateParam.DQ       = rsaCrtPrivateParam.DQ.ToByteArrayUnsigned();
            rsaPrivateParam.InverseQ = rsaCrtPrivateParam.QInv.ToByteArrayUnsigned();
            rsaPrivateParam.P        = rsaCrtPrivateParam.P.ToByteArrayUnsigned();
            rsaPrivateParam.Q        = rsaCrtPrivateParam.Q.ToByteArrayUnsigned();
            rsaPrivateParam.Modulus  = rsaPrivatePublic.Modulus.ToByteArrayUnsigned();
            rsaPrivateParam.Exponent = rsaPrivatePublic.Exponent.ToByteArrayUnsigned();

            // Create the encyption provider.
            RSACryptoServiceProvider rsaEncryptProvider = new RSACryptoServiceProvider();

            rsaEncryptProvider.ImportParameters(rsaPrivateParam);

            // Return the rsa provider.
            return(rsaEncryptProvider);
        }
コード例 #2
0
        public override bool Equals(
            object obj)
        {
            if (obj == this)
            {
                return(true);
            }

            RsaPrivateCrtKeyParameters kp = obj as RsaPrivateCrtKeyParameters;

            if (kp == null)
            {
                return(false);
            }

            return(kp.DP.Equals(dP) &&
                   kp.DQ.Equals(dQ) &&
                   kp.Exponent.Equals(this.Exponent) &&
                   kp.Modulus.Equals(this.Modulus) &&
                   kp.P.Equals(p) &&
                   kp.Q.Equals(q) &&
                   kp.PublicExponent.Equals(e) &&
                   kp.QInv.Equals(qInv));
        }
コード例 #3
0
ファイル: Pgp.cs プロジェクト: waffle-iron/nequeo
        /// <summary>
        /// Computes the hash value of the specified input stream using the specified
        /// hash algorithm, and signs the resulting hash value.
        /// </summary>
        /// <param name="inputStream">The input data for which to compute the hash.</param>
        /// <param name="rsaProvider">The RSA crypto service provider.</param>
        /// <param name="keyID">The unique key id of the public secret key pair.</param>
        /// <param name="hashAlgorithm">The hash algorithm to use to create the hash value.</param>
        /// <returns>The signature for the specified data.</returns>
        public byte[] SignData(Stream inputStream, RSACryptoServiceProvider rsaProvider, long keyID, Nequeo.Cryptography.HashcodeType hashAlgorithm = HashcodeType.SHA512)
        {
            MemoryStream output = null;

            Key.Bcpg.BcpgOutputStream pgpOutput = null;

            try
            {
                int ch;
                output = new MemoryStream();

                // Export the signer private key parameters.
                RSAParameters rsaPrivateKeySignerParam = rsaProvider.ExportParameters(true);
                Key.Crypto.Parameters.RsaPrivateCrtKeyParameters rsaPrivateKeySigner =
                    new Key.Crypto.Parameters.RsaPrivateCrtKeyParameters(
                        new Key.Math.BigInteger(1, rsaPrivateKeySignerParam.Modulus),
                        new Key.Math.BigInteger(1, rsaPrivateKeySignerParam.Exponent),
                        new Key.Math.BigInteger(1, rsaPrivateKeySignerParam.D),
                        new Key.Math.BigInteger(1, rsaPrivateKeySignerParam.P),
                        new Key.Math.BigInteger(1, rsaPrivateKeySignerParam.Q),
                        new Key.Math.BigInteger(1, rsaPrivateKeySignerParam.DP),
                        new Key.Math.BigInteger(1, rsaPrivateKeySignerParam.DQ),
                        new Key.Math.BigInteger(1, rsaPrivateKeySignerParam.InverseQ)
                        );

                // Get the private key.
                Key.Bcpg.OpenPgp.PgpPrivateKey privateKey = new Key.Bcpg.OpenPgp.PgpPrivateKey(rsaPrivateKeySigner, keyID);

                // Create a signature generator.
                Key.Bcpg.OpenPgp.PgpSignatureGenerator signatureGenerator =
                    new Key.Bcpg.OpenPgp.PgpSignatureGenerator(Key.Bcpg.PublicKeyAlgorithmTag.RsaGeneral, GetHashAlgorithm(hashAlgorithm));
                signatureGenerator.InitSign(Key.Bcpg.OpenPgp.PgpSignature.BinaryDocument, privateKey);

                // Create the output stream.
                pgpOutput = new Key.Bcpg.BcpgOutputStream(output);

                // Read the input stream.
                while ((ch = inputStream.ReadByte()) >= 0)
                {
                    // Update the generator.
                    signatureGenerator.Update((byte)ch);
                }

                // Write the hash to the output stream.
                Key.Bcpg.OpenPgp.PgpSignature signature = signatureGenerator.Generate();
                signature.Encode(pgpOutput);

                // Return the signed value.
                return(output.ToArray());
            }
            catch (Exception)
            {
                throw;
            }
            finally
            {
                if (output != null)
                {
                    output.Close();
                }

                if (pgpOutput != null)
                {
                    pgpOutput.Close();
                }
            }
        }