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411 REFERENCE · Wikibooks

Rebol Programming/checksum

Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.

USAGE: CHECKSUM data /tcp /secure /hash size /method word /key key-value DESCRIPTION: Returns a CRC or other type of checksum. CHECKSUM is a native value. ARGUMENTS data -- Data to checksum (Type: any-string) REFINEMENTS /tcp -- Returns an Internet TCP 16-bit checksum. /secure -- Returns a cryptographically secure checksum. /hash -- Returns a hash value size -- Size of the hash table (Type: integer) /method -- Method to use word -- Method: SHA1 MD5 (Type: word) /key -- Returns keyed HMAC value key-value -- Key to use (Type: any-string) SOURCE CODE checksum: native[ "Returns a CRC or other type of checksum." data [any-string!] "Data to checksum" /tcp "Returns an Internet TCP 16-bit checksum." /secure "Returns a cryptographically secure checksum." /hash "Returns a hash value" size [integer!] "Size of the hash table" /method "Method to use" word [word!] "Method: SHA1 MD5" /key "Returns keyed HMAC value" key-value [any-string!] "Key to use" ]