Add ChaCha20 stream cipher
23f33d57c9b6Unpublished
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Description

Add ChaCha20 stream cipher

* cipher/Makefile.am: Add 'chacha20.c'.
* cipher/chacha20.c: New.
* cipher/cipher.c (cipher_list): Add ChaCha20.
* configure.ac: Add ChaCha20.
* doc/gcrypt.texi: Add ChaCha20.
* src/cipher.h (_gcry_cipher_spec_chacha20): New.
* src/gcrypt.h.in (GCRY_CIPHER_CHACHA20): Add new algo.
* tests/basic.c (MAX_DATA_LEN): Increase to 128 from 100.
(check_stream_cipher): Add ChaCha20 test-vectors.
(check_ciphers): Add ChaCha20.

Patch adds Bernstein's ChaCha20 cipher to libgcrypt. Implementation is based
on public domain implementations.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>

Details

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jukivili

Authored on May 11 2014, 11:00 AM

Parents

rC246b7aaae1ee: mpi: Fix a subtle bug setting spurious bits with in mpi_set_bit.

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Jussi Kivilinna <jussi.kivilinna@iki.fi> committed rC23f33d57c9b6: Add ChaCha20 stream cipher (authored by Jussi Kivilinna <jussi.kivilinna@iki.fi>).May 11 2014, 11:00 AM