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75 lines
2.4 KiB
Mathematica
75 lines
2.4 KiB
Mathematica
;
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; GT.M Digest Extension
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; Copyright (C) 2012 Piotr Koper <piotr.koper@gmail.com>
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;
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; This program is free software: you can redistribute it and/or modify
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; it under the terms of the GNU Affero General Public License as
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; published by the Free Software Foundation, either version 3 of the
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; License, or (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU Affero General Public License for more details.
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;
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; You should have received a copy of the GNU Affero General Public License
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; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;
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; GT.M™ is a trademark of Fidelity Information Services, Inc.
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; "GT.M™ is a vetted industrial strength, transaction processing application
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; platform consisting of a key-value database engine optimized for extreme
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; transaction processing throughput & business continuity."
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; -- http://sourceforge.net/projects/fis-gtm/
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; GT.M Digest Extension
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;
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; This simple OpenSSL based digest extension is a rewrite of OpenSSL
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; EVP_DigestInit usage example with additional M wrapper.
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; See http://www.openssl.org/docs/crypto/EVP_DigestInit.html for details.
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;
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; The return value from $&digest.init() is 0, usually when an invalid digest
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; algorithm was specification. Anyway, properly used, should never fail.
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;
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; Please feel free to contact me if you have any questions or comments,
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; Piotr Koper <piotr.koper@gmail.com>
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;
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digest(m,a) ; returns digest in ASCII HEX, all-in-one
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n c,d
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s c=$&digest.init(a)
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d &digest.update(.c,.m)
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d &digest.final(.c,.d)
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q d
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init(alg) ; returns context handler, for alg try "md5", "sha256", etc
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; 0 is returned when an error occurs (e.g. unknown digest)
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q $&digest.init(alg)
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update(ctx,msg) ; updates digest (ctx) by message msg
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d &digest.update(.ctx,.msg)
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q
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final(ctx,digest) ; returns hex encoded message digest in digest
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; frees memory allocated for the ctx also
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d &digest.final(.ctx,.digest)
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q
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; digest algorithms availability depends on libcrypto (OpenSSL) configuration
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md4(m) q $$digest(.m,"md4")
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md5(m) q $$digest(.m,"md5")
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sha(m) q $$digest(.m,"sha")
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sha1(m) q $$digest(.m,"sha1")
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sha224(m) q $$digest(.m,"sha224")
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sha256(m) q $$digest(.m,"sha256")
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sha512(m) q $$digest(.m,"sha512")
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dss1(m) q $$digest(.m,"dss1")
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ripemd160(m) q $$digest(.m,"ripemd160")
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