ISO/IEC 10116

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ISO/IEC 10116 Information technology — Security techniques — Modes of operation for an n-bit block cipher

modes of operation for block ciphers
of any length.

The modes defined are:

  • Electronic codebook
    (ECB)
  • Cipher block chaining
    (CBC)
  • Cipher feedback
    (CFB)
  • Output feedback
    (OFB)
  • Counter
    (CTR)

The standard notes that some modes require padding, but states that "Padding techniques ... are not within the scope of this International Standard."[2]

References

  1. ^ ISO/IEC 10116:2006 Information technology — Security techniques — Modes of operation for an n-bit block cipher
  2. ^ ISO-IEC 10116:2006, clause 5, Requirements
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