Object identifier (ASN.1) for abstract objects specified by ASN.1.
The object identifier is a sequence of integers that identifies objects such as algorithms or attribute types.
outer content
The enhancements for some encapsulated data. This term is used primarily when discussing enhanced data (the inner content) in PKCS #7 messages.
Output Feedback
(OFB) A block cipher mode that uses feedback similar to the Cipher Feedback (CFB) mode. The only difference between the two modes is how the shift register is filled.