Merge pull request #22567 from edx/feanil/fix_id_verification_errors

Ensure that photo verification data is correctly typed.

lms/djangoapps/verify_student/management/commands/retry_failed_photo_verifications.py

@@ -31,7 +31,7 @@ class Command(BaseCommand):
             dest='verification_ids',
             action='store',
             nargs='+',
-            type=int,
+            type=str,
             help='verifications id used to retry verification'
         )
 

lms/djangoapps/verify_student/models.py

@@ -837,7 +837,7 @@ class SoftwareSecurePhotoVerification(PhotoVerification):
         face_aes_key = codecs.decode(face_aes_key_str, 'hex')
         rsa_key_str = settings.VERIFY_STUDENT["SOFTWARE_SECURE"]["RSA_PUBLIC_KEY"]
         rsa_encrypted_face_aes_key = rsa_encrypt(face_aes_key, rsa_key_str)
-        return base64.b64encode(rsa_encrypted_face_aes_key)
+        return base64.b64encode(rsa_encrypted_face_aes_key).decode('utf-8')
 
     def create_request(self, copy_id_photo_from=None):
         """

lms/djangoapps/verify_student/ssencrypt.py

@@ -176,7 +176,7 @@ def generate_signed_message(method, headers_dict, body_dict, access_key, secret_
 
     # hmac needs a byte string for it's starting key, can't be unicode.
     hashed = hmac.new(secret_key.encode('utf-8'), message.encode('utf-8'), sha256)
-    signature = binascii.b2a_base64(hashed.digest()).rstrip(b'\n')
+    signature = binascii.b2a_base64(hashed.digest()).rstrip(b'\n').decode('utf-8')
     authorization_header = u"SSI {}:{}".format(access_key, signature)
 
     message += '\n'