sha1-file

Arguments: filespec &key return

Using sha1-init, sha1-update, and sha1-final, compute the SHA1 hash on the contents of the file given by filespec. Returns the value of sha1-final on the implicitly created context. The return argument is passed to sha1-final (where the various possible values are discussed). Note the warning about integer returns perhaps losing leading 0's.

See MD5, SHA*, HMAC, RC4, and other message digest support in miscellaneous.htm. See also digest-file.

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Created 2019.8.20.