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2019-02-08crypto: aegis - fix handling chunked inputsEric Biggers
The generic AEGIS implementations all fail the improved AEAD tests because they produce the wrong result with some data layouts. The issue is that they assume that if the skcipher_walk API gives 'nbytes' not aligned to the walksize (a.k.a. walk.stride), then it is the end of the data. In fact, this can happen before the end. Fix them. Fixes: f606a88e5823 ("crypto: aegis - Add generic AEGIS AEAD implementations") Cc: <stable@vger.kernel.org> # v4.18+ Cc: Ondrej Mosnacek <omosnace@redhat.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Reviewed-by: Ondrej Mosnacek <omosnace@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-01-25crypto: aegis - Convert to SPDX license identifiersThomas Gleixner
The license boiler plate text is not ideal for machine parsing. The kernel uses SPDX license identifiers for that purpose, which replace the boiler plate text. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Ondrej Mosnacek <omosnacek@gmail.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: "David S. Miller" <davem@davemloft.net> Cc: linux-crypto@vger.kernel.org Acked-by: Ondrej Mosnacek <omosnacek@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-07-09crypto: aead - remove useless setting of type flagsEric Biggers
Some aead algorithms set .cra_flags = CRYPTO_ALG_TYPE_AEAD. But this is redundant with the C structure type ('struct aead_alg'), and crypto_register_aead() already sets the type flag automatically, clearing any type flag that was already there. Apparently the useless assignment has just been copy+pasted around. So, remove the useless assignment from all the aead algorithms. This patch shouldn't change any actual behavior. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-05-19crypto: aegis - Add generic AEGIS AEAD implementationsOndrej Mosnacek
This patch adds the generic implementation of the AEGIS family of AEAD algorithms (AEGIS-128, AEGIS-128L, and AEGIS-256). The original authors of AEGIS are Hongjun Wu and Bart Preneel. At the time of writing, AEGIS is one of the finalists in CAESAR, an open competition intended to select a portfolio of alternatives to the problematic AES-GCM: https://competitions.cr.yp.to/caesar-submissions.html https://competitions.cr.yp.to/round3/aegisv11.pdf Signed-off-by: Ondrej Mosnacek <omosnacek@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>