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This is a general purpose cryptographic library based on the code from GnuPG. It provides functions for all cryptograhic building blocks: symmetric ciphers (AES, DES, Blowfish, CAST5, Twofish, Arcfour), hash algorithms (MD4, MD5, RIPE-MD160, SHA-1, TIGER-192), MACs (HMAC for all hash algorithms), public key algorithms (RSA, ElGamal, DSA), large integer functions, random numbers and a lot of supporting functions.


Programmer reference in Texinfo, Postscript, HTML included

Heckert gnu.small.png This is a GNU package:libgcrypt


Download version 1.6.4 (stable)
released on 8 September 2015

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Related Projects


LicenseVerified byVerified onNotes
LGPLKelly Hopkins19 July 2010
GPLv3Kelly Hopkins19 July 2010

Leaders and contributors

Werner Koch Maintainer

Resources and communication

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Software prerequisites

This entry (in part or in whole) was last reviewed on 23 September 2015.


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

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