Internet Assigned Numbers Authority

Hash Algorithms for HTTP Digest Fields

Created
2023-07-27
Last Updated
2024-05-22
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Hash Algorithms for HTTP Digest Fields

Registration Procedure(s)
Specification Required
Expert(s)
Roberto Polli (primary), Lucas Pardue (secondary)
Reference
[RFC9530]
Available Formats

CSV
Algorithm Key Status Description Reference
sha-512 Active The SHA-512 algorithm. [RFC6234][RFC4648][RFC9530]
sha-256 Active The SHA-256 algorithm. [RFC6234][RFC4648][RFC9530]
md5 Deprecated The MD5 algorithm. It is vulnerable to collision attacks; see [NO-MD5] and [CMU-836068] [RFC1321][RFC4648][RFC9530]
sha Deprecated The SHA-1 algorithm. It is vulnerable to collision attacks; see [NO-SHA] and [IACR-2020-014] [RFC3174][RFC4648][RFC6234][RFC9530]
unixsum Deprecated The algorithm used by the UNIX "sum" command. [RFC4648][RFC6234][UNIX][RFC9530]
unixcksum Deprecated The algorithm used by the UNIX "cksum" command. [RFC4648][RFC6234][UNIX][RFC9530]
adler Deprecated The ADLER32 algorithm. [RFC1950][RFC9530]
crc32c Deprecated The CRC32c algorithm. [RFC9260, Appendix A][RFC9530]