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Document secure-hash
* doc/lispref/text.texi (Checksum/Hash): Rename node from MD5 Checksum. Mention secure-hash. * doc/lispref/elisp.texi, doc/lispref/vol1.texi, doc/lispref/vol2.texi: Update menu entry. * etc/NEWS: Related markup.
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@ -1,3 +1,9 @@
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2012-02-10 Glenn Morris <rgm@gnu.org>
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* text.texi (Checksum/Hash): Rename node from MD5 Checksum.
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Mention secure-hash.
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* elisp.texi, vol1.texi, vol2.texi: Update menu entry.
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2012-02-10 Chong Yidong <cyd@gnu.org>
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* loading.texi (Loading): Don't emphasize "library" terminology.
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@ -1061,7 +1061,7 @@ Text
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* Registers:: How registers are implemented. Accessing
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the text or position stored in a register.
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* Base 64:: Conversion to or from base 64 encoding.
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* MD5 Checksum:: Compute the MD5 "message digest"/"checksum".
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* Checksum/Hash:: Computing "message digests"/"checksums"/"hashes".
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* Atomic Changes:: Installing several buffer changes "atomically".
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* Change Hooks:: Supplying functions to be run when text is changed.
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@ -56,7 +56,7 @@ the character after point.
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* Registers:: How registers are implemented. Accessing the text or
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position stored in a register.
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* Base 64:: Conversion to or from base 64 encoding.
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* MD5 Checksum:: Compute the MD5 "message digest"/"checksum".
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* Checksum/Hash:: Computing "message digests"/"checksums"/"hashes".
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* Parsing HTML:: Parsing HTML and XML.
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* Atomic Changes:: Installing several buffer changes "atomically".
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* Change Hooks:: Supplying functions to be run when text is changed.
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@ -4071,9 +4071,11 @@ decoded text.
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The decoding functions ignore newline characters in the encoded text.
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@end defun
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@node MD5 Checksum
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@section MD5 Checksum
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@node Checksum/Hash
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@section Checksum/Hash
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@cindex MD5 checksum
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@cindex hashing, secure
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@cindex SHA-1
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@cindex message digest computation
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MD5 cryptographic checksums, or @dfn{message digests}, are 128-bit
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@ -4084,7 +4086,7 @@ RFC@footnote{
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For an explanation of what is an RFC, see the footnote in @ref{Base
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64}.
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}1321. This section describes the Emacs facilities for computing
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message digests.
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message digests and other forms of ``secure hash''.
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@defun md5 object &optional start end coding-system noerror
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This function returns the MD5 message digest of @var{object}, which
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@ -4119,6 +4121,16 @@ using the specified or chosen coding system. However, if
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coding instead.
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@end defun
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@defun secure-hash algorithm object &optional start end binary
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This function provides a general interface to a variety of secure
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hashing algorithms. As well as the MD5 algorithm, it supports SHA-1,
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SHA-2, SHA-224, SHA-256, SHA-384 and SHA-512. The argument
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@var{algorithm} is a symbol stating which hash to compute. The
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arguments @var{object}, @var{start}, and @var{end} are as for the
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@code{md5} function. If the optional argument @var{binary} is
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non-@code{nil}, returns a string in binary form.
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@end defun
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@node Parsing HTML
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@section Parsing HTML
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@cindex parsing html
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@ -1082,7 +1082,7 @@ Text
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* Registers:: How registers are implemented. Accessing
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the text or position stored in a register.
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* Base 64:: Conversion to or from base 64 encoding.
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* MD5 Checksum:: Compute the MD5 "message digest"/"checksum".
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* Checksum/Hash:: Computing "message digests"/"checksums"/"hashes".
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* Atomic Changes:: Installing several buffer changes "atomically".
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* Change Hooks:: Supplying functions to be run when text is changed.
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@ -1081,7 +1081,7 @@ Text
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* Registers:: How registers are implemented. Accessing
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the text or position stored in a register.
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* Base 64:: Conversion to or from base 64 encoding.
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* MD5 Checksum:: Compute the MD5 "message digest"/"checksum".
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* Checksum/Hash:: Computing "message digests"/"checksums"/"hashes".
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* Atomic Changes:: Installing several buffer changes "atomically".
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* Change Hooks:: Supplying functions to be run when text is changed.
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1
etc/NEWS
1
etc/NEWS
@ -408,6 +408,7 @@ in the corresponding way.
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+++
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** The variable `focus-follows-mouse' now always defaults to nil.
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+++
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** New primitive `secure-hash' that supports many secure hash algorithms:
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md5, sha1, sha2, sha224, sha256, sha384, and sha512. The lisp library
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sha1.el has been removed. The `sha1' feature is provided by default.
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