Data Authentication Algorithm - Revision history

Jlwoodwa: tag as one source

2024-04-29T18:25:37Z

tag as one source

← Previous revision		Revision as of 18:25, 29 April 2024
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	{{Short description\|Message authentication code algorithm}}		{{Short description\|Message authentication code algorithm}}
	{{More citations needed\|date=July 2021}}		{{More citations needed\|date=July 2021}}
			{{one source \|date=April 2024}}

	The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 – Computer Data Authentication] – the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008.{{Citation needed\|date=July 2021}} The algorithm is not considered secure by today's standards.{{Citation needed\|date=July 2021}}		The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 – Computer Data Authentication] – the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008.{{Citation needed\|date=July 2021}} The algorithm is not considered secure by today's standards.{{Citation needed\|date=July 2021}}
	According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher mode of operation#Cipher block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.		According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher mode of operation#Cipher block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.

Boynamedsue: remove "by whom", the agent is "today's standards", that is the dominant standards in the industry today

2023-12-27T09:25:11Z

remove "by whom", the agent is "today's standards", that is the dominant standards in the industry today

← Previous revision		Revision as of 09:25, 27 December 2023
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	{{More citations needed\|date=July 2021}}		{{More citations needed\|date=July 2021}}

	The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 – Computer Data Authentication] – the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008.{{Citation needed\|date=July 2021}} The algorithm is not considered~~{{by whom?\|date=July 2021}}~~ secure by today's standards.{{Citation needed\|date=July 2021}}		The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 – Computer Data Authentication] – the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008.{{Citation needed\|date=July 2021}} The algorithm is not considered secure by today's standards.{{Citation needed\|date=July 2021}}
	According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher mode of operation#Cipher block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.		According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher mode of operation#Cipher block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.

VulcanSphere: Adding short description: "Message authentication code algorithm" (Shortdesc helper)

2022-04-27T08:23:18Z

Adding short description: "Message authentication code algorithm" (Shortdesc helper)

← Previous revision		Revision as of 08:23, 27 April 2022
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			{{Short description\|Message authentication code algorithm}}
	{{More citations needed\|date=July 2021}}		{{More citations needed\|date=July 2021}}

AnomieBOT: Dating maintenance tags: {{By whom?}}

2021-07-13T14:41:51Z

Dating maintenance tags: {{By whom?}}

← Previous revision		Revision as of 14:41, 13 July 2021
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	{{More citations needed\|date=July 2021}}		{{More citations needed\|date=July 2021}}

	The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 – Computer Data Authentication] – the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008.{{Citation needed\|date=July 2021}} The algorithm is not considered{{by whom?}} secure by today's standards.{{Citation needed\|date=July 2021}}		The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 – Computer Data Authentication] – the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008.{{Citation needed\|date=July 2021}} The algorithm is not considered{{by whom?\|date=July 2021}} secure by today's standards.{{Citation needed\|date=July 2021}}
	According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher mode of operation#Cipher block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.		According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher mode of operation#Cipher block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.

Cherkash: copyedit

2021-07-13T14:21:47Z

copyedit

← Previous revision		Revision as of 14:21, 13 July 2021
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			{{More citations needed\|date=July 2021}}
⚫	The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 - Computer Data Authentication] - the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008. The algorithm is not considered secure by today's standards.

		⚫	The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 – Computer Data Authentication] – the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008.{{Citation needed\|date=July 2021}} The algorithm is not considered{{by whom?}} secure by today's standards.{{Citation needed\|date=July 2021}}
	According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher mode of operation#Cipher block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.		According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher mode of operation#Cipher block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.

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	==Sources==		==Sources==
			{{reflist}}
	<references />

	{{Cryptography navbox \| hash}}		{{Cryptography navbox \| hash}}

Cherkash at 14:15, 13 July 2021

2021-07-13T14:15:41Z

← Previous revision		Revision as of 14:15, 13 July 2021
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	The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 - Computer Data Authentication] - the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008. The algorithm is not considered secure by today's standards.		The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 - Computer Data Authentication] - the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008. The algorithm is not considered secure by today's standards.

	According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher mode of operation#Cipher-block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.		According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher mode of operation#Cipher block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.

	The DAA is equivalent to [[ISO/IEC 9797-1]] MAC algorithm 1, or [[CBC-MAC]], with [[Data Encryption Standard\|DES]] as the underlying cipher, truncated to between 24 and 56 bits (inclusive).		The DAA is equivalent to [[ISO/IEC 9797-1]] MAC algorithm 1, or [[CBC-MAC]], with [[Data Encryption Standard\|DES]] as the underlying cipher, truncated to between 24 and 56 bits (inclusive).

Cherkash at 14:15, 13 July 2021

2021-07-13T14:15:03Z

← Previous revision		Revision as of 14:15, 13 July 2021
Line 1:		Line 1:
	The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 - Computer Data Authentication] - the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008. The algorithm is not considered secure by today's standards.		The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 - Computer Data Authentication] - the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008. The algorithm is not considered secure by today's standards.

	According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher ~~modes~~ of operation#Cipher-block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.		According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher mode of operation#Cipher-block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.

	The DAA is equivalent to [[ISO/IEC 9797-1]] MAC algorithm 1, or [[CBC-MAC]], with [[Data Encryption Standard\|DES]] as the underlying cipher, truncated to between 24 and 56 bits (inclusive).		The DAA is equivalent to [[ISO/IEC 9797-1]] MAC algorithm 1, or [[CBC-MAC]], with [[Data Encryption Standard\|DES]] as the underlying cipher, truncated to between 24 and 56 bits (inclusive).

Flyer22 Frozen: Reverted 1 good faith edit by 117.55.242.35 using STiki

2017-08-25T15:50:24Z

Reverted 1 good faith edit by 117.55.242.35 using STiki

← Previous revision		Revision as of 15:50, 25 August 2017
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	{{crypto-stub}}~~rett~~		{{crypto-stub}}

117.55.242.35 at 10:19, 17 August 2017

2017-08-17T10:19:30Z

← Previous revision		Revision as of 10:19, 17 August 2017
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	{{crypto-stub}}		{{crypto-stub}}rett

BG19bot: /* top */WP:CHECKWIKI error fix for #61. Punctuation goes before References. Do general fixes if a problem exists. - using AWB (11876)

2016-02-04T06:12:55Z

top: WP:CHECKWIKI error fix for #61. Punctuation goes before References. Do general fixes if a problem exists. - using AWB (11876)

← Previous revision		Revision as of 06:12, 4 February 2016
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	The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 - Computer Data Authentication] - the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref>, which was withdrawn on September 1, 2008. The algorithm is not considered secure by today's standards.		The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 - Computer Data Authentication] - the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008. The algorithm is not considered secure by today's standards.

	According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher modes of operation#Cipher-block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.		According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher modes of operation#Cipher-block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.

← Previous revision		Revision as of 18:25, 29 April 2024
Line 1:		Line 1:
	{{Short description\|Message authentication code algorithm}}		{{Short description\|Message authentication code algorithm}}
	{{More citations needed\|date=July 2021}}		{{More citations needed\|date=July 2021}}
			{{one source \|date=April 2024}}

	The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 – Computer Data Authentication] – the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008.{{Citation needed\|date=July 2021}} The algorithm is not considered secure by today's standards.{{Citation needed\|date=July 2021}}		The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 – Computer Data Authentication] – the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008.{{Citation needed\|date=July 2021}} The algorithm is not considered secure by today's standards.{{Citation needed\|date=July 2021}}
	According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher mode of operation#Cipher block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.		According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher mode of operation#Cipher block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.

← Previous revision		Revision as of 09:25, 27 December 2023
Line 2:		Line 2:
	{{More citations needed\|date=July 2021}}		{{More citations needed\|date=July 2021}}

	The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 – Computer Data Authentication] – the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008.{{Citation needed\|date=July 2021}} The algorithm is not considered~~{{by whom?\|date=July 2021}}~~ secure by today's standards.{{Citation needed\|date=July 2021}}		The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 – Computer Data Authentication] – the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008.{{Citation needed\|date=July 2021}} The algorithm is not considered secure by today's standards.{{Citation needed\|date=July 2021}}
	According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher mode of operation#Cipher block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.		According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher mode of operation#Cipher block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.

← Previous revision		Revision as of 14:41, 13 July 2021
Line 1:		Line 1:
	{{More citations needed\|date=July 2021}}		{{More citations needed\|date=July 2021}}

	The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 – Computer Data Authentication] – the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008.{{Citation needed\|date=July 2021}} The algorithm is not considered{{by whom?}} secure by today's standards.{{Citation needed\|date=July 2021}}		The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 – Computer Data Authentication] – the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008.{{Citation needed\|date=July 2021}} The algorithm is not considered{{by whom?\|date=July 2021}} secure by today's standards.{{Citation needed\|date=July 2021}}
	According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher mode of operation#Cipher block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.		According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher mode of operation#Cipher block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.

← Previous revision		Revision as of 14:15, 13 July 2021
Line 1:		Line 1:
	The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 - Computer Data Authentication] - the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008. The algorithm is not considered secure by today's standards.		The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 - Computer Data Authentication] - the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008. The algorithm is not considered secure by today's standards.

	According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher mode of operation#Cipher-block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.		According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher mode of operation#Cipher block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.

	The DAA is equivalent to [[ISO/IEC 9797-1]] MAC algorithm 1, or [[CBC-MAC]], with [[Data Encryption Standard\|DES]] as the underlying cipher, truncated to between 24 and 56 bits (inclusive).		The DAA is equivalent to [[ISO/IEC 9797-1]] MAC algorithm 1, or [[CBC-MAC]], with [[Data Encryption Standard\|DES]] as the underlying cipher, truncated to between 24 and 56 bits (inclusive).

← Previous revision		Revision as of 14:15, 13 July 2021
Line 1:		Line 1:
	The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 - Computer Data Authentication] - the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008. The algorithm is not considered secure by today's standards.		The '''Data Authentication Algorithm''' ('''DAA''') is a former [[Federal Information Processing Standard\|U.S. government standard]] for producing cryptographic [[message authentication code]]s. DAA is defined in FIPS PUB 113,<ref>[http://csrc.nist.gov/publications/fips/fips113/fips113.html FIPS PUB 113 - Computer Data Authentication] - the [[Federal Information Processing Standard]] publication that defines the Data Authentication Algorithm</ref> which was withdrawn on September 1, 2008. The algorithm is not considered secure by today's standards.

	According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher ~~modes~~ of operation#Cipher-block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.		According to the standard, a code produced by the DAA is called a '''Data Authentication Code''' ('''DAC'''). The algorithm [[Block cipher mode of operation#Cipher-block chaining (CBC)\|chain encrypts]] the data, with the last cipher block truncated and used as the DAC.

	The DAA is equivalent to [[ISO/IEC 9797-1]] MAC algorithm 1, or [[CBC-MAC]], with [[Data Encryption Standard\|DES]] as the underlying cipher, truncated to between 24 and 56 bits (inclusive).		The DAA is equivalent to [[ISO/IEC 9797-1]] MAC algorithm 1, or [[CBC-MAC]], with [[Data Encryption Standard\|DES]] as the underlying cipher, truncated to between 24 and 56 bits (inclusive).