Added a missing accessor method to CryptoComponent.

src/net/sf/briar/api/crypto/CryptoComponent.java

@@ -59,6 +59,8 @@ public interface CryptoComponent {
 
 	KeyPair generateAgreementKeyPair();
 
+	KeyParser getAgreementKeyParser();
+
 	KeyPair generateSignatureKeyPair();
 
 	KeyParser getSignatureKeyParser();

src/net/sf/briar/crypto/CryptoComponentImpl.java

@@ -251,6 +251,10 @@ class CryptoComponentImpl implements CryptoComponent {
 		return agreementKeyPairGenerator.generateKeyPair();
 	}
 
+	public KeyParser getAgreementKeyParser() {
+		return agreementKeyParser;
+	}
+
 	public KeyPair generateSignatureKeyPair() {
 		return signatureKeyPairGenerator.generateKeyPair();
 	}