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crypto: poly1305 - Add a generic Poly1305 authenticator implementation

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Poly1305 is a fast message authenticator designed by Daniel J. Bernstein.
It is further defined in RFC7539 as a building block for the ChaCha20-Poly1305
AEAD for use in IETF protocols.

This is a portable C implementation of the algorithm without architecture
specific optimizations, based on public domain code by Daniel J. Bernstein and
Andrew Moon.

Signed-off-by: Martin Willi <[email protected]>
Acked-by: Steffen Klassert <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
This commit is contained in:
Martin Willi 2015-06-01 13:43:58 +02:00 • committed by Herbert Xu
commit f979e014c5
3 changed files with 310 additions and 0 deletions
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9
crypto/Kconfig
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@ -426,6 +426,15 @@ config CRYPTO_GHASH
help
GHASH is message digest algorithm for GCM (Galois/Counter Mode).
config CRYPTO_POLY1305
tristate "Poly1305 authenticator algorithm"
help
Poly1305 authenticator algorithm, RFC7539.
Poly1305 is an authenticator algorithm designed by Daniel J. Bernstein.
It is used for the ChaCha20-Poly1305 AEAD, specified in RFC7539 for use
in IETF protocols. This is the portable C implementation of Poly1305.
config CRYPTO_MD4
tristate "MD4 digest algorithm"
select CRYPTO_HASH