1 files changed, 89 insertions, 0 deletions
diff --git a/Crypto/src/asn1/crmf/PKMacValue.cs b/Crypto/src/asn1/crmf/PKMacValue.cs
new file mode 100644
index 000000000..20a08fd1d
--- /dev/null
+++ b/Crypto/src/asn1/crmf/PKMacValue.cs
@@ -0,0 +1,89 @@
+using System;
+
+using Org.BouncyCastle.Asn1.Cmp;
+using Org.BouncyCastle.Asn1.X509;
+
+namespace Org.BouncyCastle.Asn1.Crmf
+{
+ /**
+ * Password-based MAC value for use with POPOSigningKeyInput.
+ */
+ public class PKMacValue
+ : Asn1Encodable
+ {
+ private readonly AlgorithmIdentifier algID;
+ private readonly DerBitString macValue;
+
+ private PKMacValue(Asn1Sequence seq)
+ {
+ this.algID = AlgorithmIdentifier.GetInstance(seq[0]);
+ this.macValue = DerBitString.GetInstance(seq[1]);
+ }
+
+ public static PKMacValue GetInstance(object obj)
+ {
+ if (obj is PKMacValue)
+ return (PKMacValue)obj;
+
+ if (obj is Asn1Sequence)
+ return new PKMacValue((Asn1Sequence)obj);
+
+ throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+ }
+
+ public static PKMacValue GetInstance(Asn1TaggedObject obj, bool isExplicit)
+ {
+ return GetInstance(Asn1Sequence.GetInstance(obj, isExplicit));
+ }
+
+ /**
+ * Creates a new PKMACValue.
+ * @param params parameters for password-based MAC
+ * @param value MAC of the DER-encoded SubjectPublicKeyInfo
+ */
+ public PKMacValue(
+ PbmParameter pbmParams,
+ DerBitString macValue)
+ : this(new AlgorithmIdentifier(CmpObjectIdentifiers.passwordBasedMac, pbmParams), macValue)
+ {
+ }
+
+ /**
+ * Creates a new PKMACValue.
+ * @param aid CMPObjectIdentifiers.passwordBasedMAC, with PBMParameter
+ * @param value MAC of the DER-encoded SubjectPublicKeyInfo
+ */
+ public PKMacValue(
+ AlgorithmIdentifier algID,
+ DerBitString macValue)
+ {
+ this.algID = algID;
+ this.macValue = macValue;
+ }
+
+ public virtual AlgorithmIdentifier AlgID
+ {
+ get { return algID; }
+ }
+
+ public virtual DerBitString MacValue
+ {
+ get { return macValue; }
+ }
+
+ /**
+ * <pre>
+ * PKMACValue ::= SEQUENCE {
+ * algId AlgorithmIdentifier,
+ * -- algorithm value shall be PasswordBasedMac 1.2.840.113533.7.66.13
+ * -- parameter value is PBMParameter
+ * value BIT STRING }
+ * </pre>
+ * @return a basic ASN.1 object representation.
+ */
+ public override Asn1Object ToAsn1Object()
+ {
+ return new DerSequence(algID, macValue);
+ }
+ }
+}
|
