diff --git a/data/idp-private.key b/data/idp-private.key
deleted file mode 100644
index 9062024..0000000
--- a/data/idp-private.key
+++ /dev/null
@@ -1,15 +0,0 @@
------BEGIN CERTIFICATE-----
-MIICSjCCAbOgAwIBAgIBADANBgkqhkiG9w0BAQ0FADBCMQswCQYDVQQGEwJ1czEN
-MAsGA1UECAwERGVtbzEPMA0GA1UECgwGQm94eUhRMRMwEQYDVQQDDApib3h5aHEu
-Y29tMB4XDTIyMDExMzE3NTQ1NVoXDTIzMDExMzE3NTQ1NVowQjELMAkGA1UEBhMC
-dXMxDTALBgNVBAgMBERlbW8xDzANBgNVBAoMBkJveHlIUTETMBEGA1UEAwwKYm94
-eWhxLmNvbTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA4lbyAVpXmp1bGPGn
-PfauUzTvPil0gDJaGBTYQ50A7lDLrD0rh/SbsRY5e8VA2JnYaKT7k53FL4n9ogjx
-HQRT4b7s9ZjUUC7BHYPd4CzATjf6Iy48bbout2VphuZdWjwbY1uEfolaZR2QU4IR
-4RYfa4L4fGZufA8ayunCWXTackMCAwEAAaNQME4wHQYDVR0OBBYEFKk0NXw5l0fq
-MQ3GW4mNzazrZeEQMB8GA1UdIwQYMBaAFKk0NXw5l0fqMQ3GW4mNzazrZeEQMAwG
-A1UdEwQFMAMBAf8wDQYJKoZIhvcNAQENBQADgYEABIL+uv5KbnqLnvbeyglcuDSf
-MVlPqMlvvliPLZa2TGluutL3t+jFfJNi6Vavd4BNyVsCYRe/ab8+/nok1Lu/IqKF
-vifu1QGHsF1vKyafmVC8cMX/lxsvjedsOs++59yOAHAgXn+0IuBwupinKF4Tuqd7
-n5gl9V4czyfFtrJUCQc=
------END CERTIFICATE-----
diff --git a/data/idp-public.key b/data/idp-public.key
deleted file mode 100644
index 9062024..0000000
--- a/data/idp-public.key
+++ /dev/null
@@ -1,15 +0,0 @@
------BEGIN CERTIFICATE-----
-MIICSjCCAbOgAwIBAgIBADANBgkqhkiG9w0BAQ0FADBCMQswCQYDVQQGEwJ1czEN
-MAsGA1UECAwERGVtbzEPMA0GA1UECgwGQm94eUhRMRMwEQYDVQQDDApib3h5aHEu
-Y29tMB4XDTIyMDExMzE3NTQ1NVoXDTIzMDExMzE3NTQ1NVowQjELMAkGA1UEBhMC
-dXMxDTALBgNVBAgMBERlbW8xDzANBgNVBAoMBkJveHlIUTETMBEGA1UEAwwKYm94
-eWhxLmNvbTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA4lbyAVpXmp1bGPGn
-PfauUzTvPil0gDJaGBTYQ50A7lDLrD0rh/SbsRY5e8VA2JnYaKT7k53FL4n9ogjx
-HQRT4b7s9ZjUUC7BHYPd4CzATjf6Iy48bbout2VphuZdWjwbY1uEfolaZR2QU4IR
-4RYfa4L4fGZufA8ayunCWXTackMCAwEAAaNQME4wHQYDVR0OBBYEFKk0NXw5l0fq
-MQ3GW4mNzazrZeEQMB8GA1UdIwQYMBaAFKk0NXw5l0fqMQ3GW4mNzazrZeEQMAwG
-A1UdEwQFMAMBAf8wDQYJKoZIhvcNAQENBQADgYEABIL+uv5KbnqLnvbeyglcuDSf
-MVlPqMlvvliPLZa2TGluutL3t+jFfJNi6Vavd4BNyVsCYRe/ab8+/nok1Lu/IqKF
-vifu1QGHsF1vKyafmVC8cMX/lxsvjedsOs++59yOAHAgXn+0IuBwupinKF4Tuqd7
-n5gl9V4czyfFtrJUCQc=
------END CERTIFICATE-----
diff --git a/utils/certificate.ts b/utils/certificate.ts
index 4563d61..30b24fe 100644
--- a/utils/certificate.ts
+++ b/utils/certificate.ts
@@ -2,11 +2,11 @@ import { promises as fs } from 'fs';
 import path from 'path';
 
 const fetchPublicKey = async (): Promise<string> => {
-  return await fs.readFile(path.join('data', 'idp-public.key'), 'ascii');
+  return await fs.readFile(path.join('data', 'public.crt'), 'ascii');
 };
 
 const fetchPrivateKey = async (): Promise<string> => {
-  return await fs.readFile(path.join('data', 'idp-private.key'), 'ascii');
+  return await fs.readFile(path.join('data', 'key.pem'), 'ascii');
 }
 
 const stripCertHeaderAndFooter = (cert: string): string => {
diff --git a/utils/idp.ts b/utils/idp.ts
new file mode 100644
index 0000000..b83bb91
--- /dev/null
+++ b/utils/idp.ts
@@ -0,0 +1,26 @@
+import { promises as fs } from 'fs';
+import path from 'path';
+import { stripCertHeaderAndFooter } from './certificate';
+
+const createIdPMetadataXML = async ({
+  idpEntityId,
+  idpSsoUrl,
+  certificate,
+}: {
+  idpEntityId: string;
+  idpSsoUrl: string;
+  certificate: string;
+}): Promise<string> => {
+  const xmlPath = path.join('data', 'idp-metadata.xml');
+  const xml = await fs.readFile(xmlPath, 'utf8');
+  certificate = stripCertHeaderAndFooter(certificate)
+
+  return xml
+    .replace('idp_entity_id', idpEntityId)
+    .replace('idp_certificate', certificate)
+    .replace(/idp_sso_url/g, idpSsoUrl);
+};
+
+export {
+  createIdPMetadataXML,
+}
\ No newline at end of file
diff --git a/utils/index.ts b/utils/index.ts
index ada9ea8..cb79829 100644
--- a/utils/index.ts
+++ b/utils/index.ts
@@ -1,3 +1,4 @@
-export * from './certificate'
-export * from './request'
-export * from './response'
\ No newline at end of file
+export * from './certificate';
+export * from './request';
+export * from './response';
+export * from './idp';
\ No newline at end of file
diff --git a/utils/request.ts b/utils/request.ts
index b40485c..97c933b 100644
--- a/utils/request.ts
+++ b/utils/request.ts
@@ -33,25 +33,7 @@ const extractSAMLRequestAttributes = async (samlRequest: string) => {
   };
 };
 
-const createIdPMetadataXML = async ({
-  idpEntityId,
-  idpSsoUrl,
-  certificate,
-}: {
-  idpEntityId: string;
-  idpSsoUrl: string;
-  certificate: string;
-}): Promise<string> => {
-  const xmlPath = path.join('data', 'idp-metadata.xml');
-  const xml = await fs.readFile(xmlPath, 'utf8');
-
-  return xml
-    .replace('idp_entity_id', idpEntityId)
-    .replace('idp_certificate', certificate)
-    .replace(/idp_sso_url/g, idpSsoUrl);
-};
 
 export {
   extractSAMLRequestAttributes,
-  createIdPMetadataXML,
 }
\ No newline at end of file
diff --git a/utils/response.ts b/utils/response.ts
index 11dc157..8f7a1ca 100644
--- a/utils/response.ts
+++ b/utils/response.ts
@@ -150,7 +150,7 @@ const signResponseXML = async (xml: string, signingKey: any, publicKey: any): Pr
   console.log({publicKey, signingKey})
 
   sig.signatureAlgorithm = 'http://www.w3.org/2001/04/xmldsig-more#rsa-sha256';
-  sig.keyInfoProvider = new FileKeyInfo(stripCertHeaderAndFooter(publicKey));
+  sig.keyInfoProvider = new FileKeyInfo(publicKey);
   sig.signingKey = signingKey;
 
   sig.addReference(responseXPath, ['http://www.w3.org/2000/09/xmldsig#enveloped-signature', 'http://www.w3.org/2001/10/xml-exc-c14n#'], 'http://www.w3.org/2001/04/xmlenc#sha256');