diff options
Diffstat (limited to 'lisp/subr.el')
| -rw-r--r-- | lisp/subr.el | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lisp/subr.el b/lisp/subr.el index 0b47da884b7..45b99a82d2b 100644 --- a/lisp/subr.el +++ b/lisp/subr.el @@ -3120,11 +3120,15 @@ Otherwise, return nil." raw-field))) (defun sha1 (object &optional start end binary) - "Return the SHA1 (Secure Hash Algorithm) of an OBJECT. + "Return the SHA-1 (Secure Hash Algorithm) of an OBJECT. OBJECT is either a string or a buffer. Optional arguments START and END are character positions specifying which portion of OBJECT for computing the hash. If BINARY is non-nil, return a string in binary -form." +form. + +Note that SHA-1 is not collision resistant and should not be used +for anything security-related. See `secure-hash' for +alternatives." (secure-hash 'sha1 object start end binary)) (defun function-get (f prop &optional autoload) |