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authorEric Biggers <ebiggers@google.com>2018-02-14 10:42:20 -0800
committerHerbert Xu <herbert@gondor.apana.org.au>2018-02-22 22:16:54 +0800
commitc8c36413ca8ccbf7a0afe71247fc4617ee2dfcfe (patch)
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crypto: speck - export common helpers
Export the Speck constants and transform context and the ->setkey(), ->encrypt(), and ->decrypt() functions so that they can be reused by the ARM NEON implementation of Speck-XTS. The generic key expansion code will be reused because it is not performance-critical and is not vectorizable, while the generic encryption and decryption functions are needed as fallbacks and for the XTS tweak encryption. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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