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Computer Security Resource Center

Computer Security Resource Center

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    Glossary
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Decryption

Definition(s):

  The process of changing ciphertext into plaintext using a cryptographic algorithm and key.
Source(s):
NIST SP 800-133 Rev. 2
NIST SP 800-175B Rev. 1
NIST SP 800-57 Part 1 Rev. 5
NIST SP 800-57 Part 2 Rev.1
NIST SP 800-133 [Superseded]
NIST SP 800-133 Rev.1 [Superseded]
NIST SP 800-57 Part 1 Rev. 3 [Superseded]
NIST SP 800-57 Part 1 Rev. 4 [Superseded]
NIST SP 800-57 Part 2 [Superseded]

  The process of transforming ciphertext into plaintext.
Source(s):
NIST SP 800-20
NIST SP 800-67 Rev. 2
NIST SP 800-67 Rev. 1 [Superseded]

  The process of a confidentiality mode that transforms encrypted data into the original usable data.
Source(s):
NIST SP 800-38A under Decryption (Deciphering)

  The process of transforming ciphertext into plaintext using a cryptographic algorithm and key.
Source(s):
NIST SP 800-56B Rev. 2
NIST SP 800-56B Rev. 1 [Superseded]

  The process of changing ciphertext into plaintext.
Source(s):
NISTIR 7316