The last 0x10-bytes in a PPM are all-zero. The 0x80 bytes before that is a RSA-1024 SHA-1 signature over the whole PPM, excluding the last 0x90 bytes with the signature.

Public Key

-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDCPLwTL6oSflv+gjywi/sM0TUB
90xqOvuCpjduETjPoN2FwMebxNjdKIqHUyDu4AvrQ6BDJc6gKUbZ1E27BGZoCPH4
9zQRb+zAM6M9EjHwQ6BABr0u2TcF7xGg2uQ9MBWz9AfbVQ91NjfrNWo0f7UPmffv
1VvixmTk1BCtavZxBwIDAQAB
-----END PUBLIC KEY-----

Private Key

-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----