authors Ruwen Boehm status testing headline general purpose cryptographic library based on the code from GnuPG description general purpose cryptographic library based on the code from GnuPG providing 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 licenses GPL GPL-2 GPL-3 GPL-3+ LGPL GFDL GPL+exception BSD MIT ISC Apache Artistic Python MPL QPL OSI other PD freeware commercial home directory.fsf.org/project/libgcrypt/ locations ftp://ftp.gnupg.org/gcrypt/libgcrypt/ needs libgpg-error