| Allegro CL version 8.2 Unrevised from 8.1 to 8.2. 8.1 version |
Arguments: string &key start end external-format return
Using sha1-init (which creates a context), sha1-update (which updates the context with the argument string), and sha1-final (which finalizes the hash), this function computes the SHA1 hash for string.
The start and end arguments specify the portion of the string to be considered and the external-format argument specifies the external hashing of the string that will be used to update the context. start defaults to 0, end defaults to the length of string, and external-format defaults to the default external format. These arguments, along with string, are passed to sha1-update.
The format of the result, just as for sha1-final, is determined by the return keyword
argument. The possible values are :integer
,
:usb8
, and :hex
. See sha1-final for information on these
values and the corresponding formats of the returned value.
cl-user(4): (sha1-string "foo") ;; default return format :integer 68123873083688143418383284816464454849230703155 cl-user(5): (sha1-string "foo" :return :usb8) #(11 238 199 181 234 63 15 219 201 93 ...) cl-user(6):
See MD5, SHA1, HMAC, and RC4 support in miscellaneous.htm.
Copyright (c) 1998-2016, Franz Inc. Oakland, CA., USA. All rights reserved.
This page was not revised from the 8.1 page.
Created 2010.1.21.
| Allegro CL version 8.2 Unrevised from 8.1 to 8.2. 8.1 version |