Overview#

Padding bit is used in aligned encoding where data structures are aligned on octet or other boundaries, meaning there may be some number of bits used to reach some boundery

Padding bit is NOT used in Unaligned encoding, but presumably at some cost in CPU time.

More Information#

There might be more information for this subject on one of the following:

• A Standard for the Transmission of IP Datagrams on Avian Carriers
• Block Cipher Mode
• Ciphertext stealing
• Lucky 13
• PKCS 1
• Packed Encoding Rules
• Padded
• Poodle
• Verifying Certificate Signatures