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sha1

Documentation

Computes SHA1 (FIPS-180-1) checksums

Requirements

Requires message-digest

"Digest Procedures"

Any Scheme-object can be the SOURCE for a digest. See message-digest for more information.

sha1-primitive

[procedure] (sha1-primitive)

Returns the SHA1 checksum digest primitive object.

sha1-digest ; DEPRECATED

[procedure] (sha1-digest SOURCE)

Returns the SHA1 checksum of SOURCE as a hex string.

sha1-binary-digest ; DEPRECATED

[procedure] (sha1-binary-digest SOURCE)

Returns the SHA1 checksum of SOURCE as a string.

Usage

 
(use sha1)

Examples

 
(use sha1)

(sha1-digest "abc")
 => "a9993e364706816aba3e25717850c26c9cd0d89d"

Notes

Author

Steve Reid, packaged for Chicken by Peter Bex

Version history
2.2.2
Change deprecated pointer foreign type specifier to scheme-pointer to make it work under chickens newer than 4.6.0.
2.2.1
Fix for test, wrong context allocation size. Kon Lovett
2.2
a message-digest-primitive has no "state". Kon Lovett
2.1
Replaced GPL code with common public domain code.
2.0.0
Initial Chicken 4 release Kon Lovett

License

 
 SHA-1 in C
 By Steve Reid <steve@edmweb.com>
 100% Public Domain