Article ID: 121356, created on Apr 28, 2014, last review on May 9, 2014

  • Applies to:
  • Plesk 11.5 for Linux


Plesk Panel displays the below error message:

ERROR: Exception
Invalid key: Certificate signature verification failed; error info:
error:0407006A:rsa routines:RSA_padding_check_PKCS1_type_1:block type is not 01
error:04067072:rsa routines:RSA_EAY_PUBLIC_DECRYPT:padding check failed
error:0D0C5006:asn1 encoding routines:ASN1_item_verify:EVP lib


The issue is caused by corrupt or absent 'mod_ssl' package on the server.


Re-install the package with 'yum':

yum install mod_ssl

Or 'autoinstaller':


Search Words

ERROR: Exception

Certificate signature verification failed

padding check failed

a914db3fdc7a53ddcfd1b2db8f5a1b9c 56797cefb1efc9130f7c48a7d1db0f0c 01bc4c8cf5b7f01f815a7ada004154a2 29d1e90fd304f01e6420fbe60f66f838 0a53c5a9ca65a74d37ef5c5eaeb55d7f

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