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    ISO/IEC 10118-3:2003

    Information technology — Security techniques — Hash-functions — Part 3: Dedicated hash-functions

    Standard Details

    ISO/IEC 10118-3:2003 specifies dedicated hash-functions, i.e., specially designed hash-functions. The hash-functions in ISO/IEC 10118-3:2003 are based on the iterative use of a round-function.

    ISO/IEC 10118-3:2003 specifies seven distinct round-functions, giving rise to distinct dedicated hash-functions. In particular:

    • the first hash-function (RIPEMD-160) in Clause 7 of ISO/IEC 10118-3:2003 provides hash-codes of lengths up to 160 bits;
    • the second hash-function (RIPEMD-128) in Clause 8 of ISO/IEC 10118-3:2003 provides hash-codes of lengths up to 128 bits;
    • the third hash-function (SHA-1) in Clause 9 of ISO/IEC 10118-3:2003 provides hash-codes of lengths up to 160 bits;
    • the fourth hash-function (SHA-256) in Clause 10 of ISO/IEC 10118-3:2003 provides hash-codes of lengths up to 256 bits;
    • the fifth hash-function (SHA-512) in Clause 11 of ISO/IEC 10118-3:2003 provides hash-codes of lengths up to 512 bits;
    • the sixth hash-function (SHA-384) in Clause 12 of ISO/IEC 10118-3:2003 provides hash-codes of a fixed length, 384 bits; and
    • the seventh hash-function (WHIRLPOOL) in Clause 13 of ISO/IEC 10118-3:2003 provides hash-codes of lengths up to 512 bits.

    For each of these seven dedicated hash-functions, ISO/IEC 10118-3:2003 specifies a padding method, initializing values, parameters, a sequence of functions (which are used in the round-function), constants, and an object identifier; and provides several computation examples.

    General Information

    Status : WITHDRAWN
    Standard Type: Main
    Document No: ISO/IEC 10118-3:2003
    Document Year: 2003
    Pages: 91
    Edition: 2
    • ICS:
    • 35.030 IT Security *Including encryption
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    Life Cycle

    WITHDRAWN
    ISO/IEC 10118-3:2004

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    ISO/IEC 10118-3:2018

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    WITHDRAWN
    ISO/IEC 10118-3:2003

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    ISO/IEC 10118-3:1998
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