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sha2

Documentation

Computes SHA2 checksums

Digest Procedures

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

sha256-primitive

[procedure] (sha256-primitive)

Returns the 256-bit checksum primitive object.

sha384-primitive

[procedure] (sha384-primitive)

Returns the 384-bit checksum primitive object.

sha512-primitive

[procedure] (sha512-primitive)

Returns the 512-bit checksum primitive object.))

sha256-digest ; DEPRECATED

[procedure] (sha256-digest SOURCE)

Returns the 256-bit checksum of SOURCE as a hex string.

sha256-binary-digest ; DEPRECATED

[procedure] (sha256-binary-digest SOURCE)

Returns the 256-bit checksum of SOURCE as a string.

sha384-digest ; DEPRECATED

[procedure] (sha384-digest SOURCE)

Returns the 384-bit checksum of SOURCE as a hex string.

sha384-binary-digest ; DEPRECATED

[procedure] (sha384-binary-digest SOURCE)

Returns the 512-bit checksum of SOURCE as a string.

sha512-digest ; DEPRECATED

[procedure] (sha512-digest SOURCE)

Returns the 256-bit checksum of SOURCE as a hex string.

sha512-binary-digest ; DEPRECATED

[procedure] (sha512-binary-digest SOURCE)

Returns the 512-bit checksum of SOURCE as a string.

Usage

 
(require-extension sha2)

Notes

Author

Version history
2.0.1
a message-digest-primitive has no "state". Kon Lovett
2.0.1
fix for #163 (Mario Domenech Goulart)
2.0.0
Initial Chicken 4 release Kon Lovett

License

Copyright (c) 2000-2001, Aaron D. Gifford and Daishi Kato All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

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  notice, this list of conditions and the following disclaimer.

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  notice, this list of conditions and the following disclaimer in the
  documentation and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of contributors

  may be used to endorse or promote products derived from this software
  without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.