Computer Security Resource Center

Computer Security Resource Center

Computer Security
Resource Center

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plaintext

Abbreviation(s) and Synonym(s):

None

Definition(s):

  Data input to the Cipher or output from the Inverse Cipher.
Source(s):
FIPS 197 under Plaintext

  Unencrypted information that may be input to an encryption operation. Note: Plain text is not a synonym for clear text. See clear text.
Source(s):
CNSSI 4009-2015 under plain text (IETF RFC 4949 Ver 2 - Adapted)

  Intelligible data that has meaning and can be read or acted upon without the application of decryption. Also known as cleartext.
Source(s):
NIST SP 800-20 under Plaintext
NIST SP 800-67 Rev. 2 under Plaintext
NIST SP 800-67 Rev. 1 under Plaintext [Superseded]

  Usable data that is formatted as input to a mode.
Source(s):
NIST SP 800-38A under Plaintext

  The input data to the authenticated encryption function that is both authenticated and encrypted.
Source(s):
NIST SP 800-38D under Plaintext

  The input to the authenticated-encryption function.
Source(s):
NIST SP 800-38F

  Intelligible data that has meaning and can be understood without the application of decryption.
Source(s):
NIST SP 800-57 Part 1 Rev. 4 under Plaintext
NIST SP 800-57 Part 2 under Plaintext
NIST SP 800-57 Part 2 Rev.1 under Plaintext
NIST SP 800-57 Part 1 Rev. 3 under Plaintext [Superseded]