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Libgcrypt

Cryptographic software library

Cryptographic software library

FieldValue
nameLibgcrypt
ver layoutstacked
developerGnuPG community
authorWerner Koch
programming languageC
operating systemCross-platform
genreCryptographic library
licenseGNU Lesser General Public License (LGPLv2.1+) / GNU General Public License (GPLv2+){{cite web
urlhttps://gnupg.org/software/libgcrypt/index.html#sec-1-2
titleCopying
workLibgcrypt
date2021-02-04
accessdate2021-02-09}}
website

Libgcrypt is a cryptography library developed as a separated module of GnuPG.{{cite mailing list It can also be used independently of GnuPG, but depends on its error-reporting library Libgpg-error.{{cite web

It provides functions for all fundamental cryptographic building blocks:

Primitive or OperationAlgorithms or Implementation{{cite web
url=https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=blob;f=src/cipher.h;hb=HEADtitle=src/cipher.h
symmetric ciphers:{{cite weburl=https://www.gnupg.org/documentation/manuals/gcrypt/Available-ciphers.html
cipher modes:{{cite weburl=https://www.gnupg.org/documentation/manuals/gcrypt/Available-cipher-modes.html
public key algorithms:{{cite weburl=https://www.gnupg.org/documentation/manuals/gcrypt/Available-algorithms.html
hash algorithms:{{cite weburl=https://www.gnupg.org/documentation/manuals/gcrypt/Available-hash-algorithms.html
message authentication codes (MACs):{{cite weburl=https://www.gnupg.org/documentation/manuals/gcrypt/Available-MAC-algorithms.html
key derivation functions (KDFs):{{cite weburl=https://www.gnupg.org/documentation/manuals/gcrypt/Key-Derivation.html
elliptic curves:NIST (P-256, P-384, P-521), SECG (secp256k1), ECC Brainpool / (P256r1, P384r1, P512r1), Bernstein (Curve25519, Curve448), GOST R 34.10-2012 (), SM2

Libgcrypt features its own multiple precision arithmetic implementation, with assembler implementations for a variety of processors, including Alpha, AMD64, HP PA-RISC, i386, i586, M68K, MIPS 3, PowerPC, and SPARC. It also features an entropy gathering utility, coming in different versions for Unix-like and Windows machines.

Usually multiple, stable branches of Libgcrypt are maintained in parallel; since 2022-03-28 this is the Libgrypt 1.10 branch as stable branch, plus the 1.8 branch as LTS ("long-term support") branch, which will be maintained at least until 2024-12-31.{{cite web

References

References

  1. "AUTHORS".
  2. (2018-01-08). "The SM3 Cryptographic Hash Function". [[Internet Engineering Task Force]].
  3. (2014-02-14). "SM2 Digital Signature Algorithm". [[Internet Engineering Task Force]].
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cryptographic-software free-security-software gnu-project-software openpgp 2020-software
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