diff --git a/lib/PayPro.js b/lib/PayPro.js
index da7a6310f..d35bbbe86 100644
--- a/lib/PayPro.js
+++ b/lib/PayPro.js
@@ -214,7 +214,7 @@ PayPro.prototype.sign = function(key) {
     var crypto = require('crypto');
     var pki_data = this.get('pki_data'); // contains one or more x509 certs
     var details = this.get('serialized_payment_details');
-    var type = pki_type.split('+').toUpperCase();
+    var type = pki_type.split('+')[1].toUpperCase();
     var signature = crypto.createSign('RSA-' + type);
     var buf = this.serializeForSig();
     signature.update(buf);
@@ -244,7 +244,7 @@ PayPro.prototype.verify = function() {
     var pki_data = this.get('pki_data');
     var details = this.get('serialized_payment_details');
     var buf = this.serializeForSig();
-    var type = pki_type.split('+').toUpperCase();
+    var type = pki_type.split('+')[1].toUpperCase();
     var verifier = crypto.createVerify('RSA-' + type);
     verifier.update(buf);
 
@@ -254,7 +254,7 @@ PayPro.prototype.verify = function() {
 
     var der = pki_data.toString('hex');
     var pem = KJUR.asn1.ASN1Util.getPEMStringFromHex(der, 'CERTIFICATE');
-    var pub = KJUR.KEYUTIL.getHexKeyFromPEM(pem, 'PUBLIC KEY')
+    var pub = KJUR.KEYUTIL.getHexFromPEM(pem, 'PUBLIC KEY')
     // var pub = KJUR.X509.getPublicKeyFromCertPEM(pem);
 
     return verifier.verify(pub, sig);
diff --git a/lib/browser/PayPro.js b/lib/browser/PayPro.js
index 7c651b506..0fa45081a 100644
--- a/lib/browser/PayPro.js
+++ b/lib/browser/PayPro.js
@@ -26,7 +26,7 @@ PayPro.sign = function(key) {
   } else if (pki_type === 'x509+sha1' || pki_type === 'x509+sha256') {
     var crypto = require('crypto');
     var pki_data = this.get('pki_data'); // contains one or more x509 certs
-    var type = pki_type.split('+').toUpperCase();
+    var type = pki_type.split('+')[1].toUpperCase();
     var buf = this.serializeForSig();
 
     pki_data = pki_data && pki_data.unshift
@@ -35,7 +35,7 @@ PayPro.sign = function(key) {
 
     var der = pki_data.toString('hex');
     var pem = KJUR.asn1.ASN1Util.getPEMStringFromHex(der, 'CERTIFICATE');
-    var pub = KJUR.KEYUTIL.getHexKeyFromPEM(pem, 'PUBLIC KEY')
+    var pub = KJUR.KEYUTIL.getHexFromPEM(pem, 'PUBLIC KEY')
     // var pub = KJUR.X509.getPublicKeyFromCertPEM(pem);
 
     var jsrsaSig = new KJUR.crypto.Signature({
@@ -70,7 +70,7 @@ PayPro.verify = function() {
     var sig = this.get('signature');
     var pki_data = this.get('pki_data');
     var buf = this.serializeForSig();
-    var type = pki_type.split('+').toUpperCase();
+    var type = pki_type.split('+')[1].toUpperCase();
 
     var jsrsaSig = new KJUR.crypto.Signature({
       alg: type + 'withRSA',
@@ -83,7 +83,7 @@ PayPro.verify = function() {
 
     var der = pki_data.toString('hex');
     var pem = KJUR.asn1.ASN1Util.getPEMStringFromHex(der, 'CERTIFICATE');
-    var pub = KJUR.KEYUTIL.getHexKeyFromPEM(pem, 'PUBLIC KEY')
+    var pub = KJUR.KEYUTIL.getHexFromPEM(pem, 'PUBLIC KEY')
     // var pub = KJUR.X509.getPublicKeyFromCertPEM(pem);
 
     jsrsaSig.initVerifyByCertificatePEM(pem);