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This reverts commit c66d7ebbe2fa14e41913adb421090a7426f59786.
Link: https://lore.kernel.org/all/02c22854-eebf-4ad1-b89e-8c2b65ab8236@csgroup.eu/
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add a SIMD fallback path for poly1305-p10 by converting the 2^64
based hash state into a 2^44 base. In order to ensure that the
generic fallback is actually 2^44, add ARCH_SUPPORTS_INT128 to
powerpc and make poly1305-p10 depend on it.
Fixes: ba8f8624fde2 ("crypto: poly1305-p10 - Glue code for optmized Poly1305 implementation for ppc64le")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add poly1305_emit_arch with fallback instead of calling assembly
directly. This is because the state format differs between p10
and that of the generic implementation.
Reported-by: Venkat Rao Bagalkote <venkat88@linux.ibm.com>
Reported-by: Eric Biggers <ebiggers@google.com>
Fixes: 14d31979145d ("crypto: powerpc/poly1305 - Add block-only interface")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Rename poly1305_emit_64 to poly1305_emit_arch to conform with
the expectation of the poly1305 library.
Reported-by: Thorsten Leemhuis <linux@leemhuis.info>
Fixes: 14d31979145d ("crypto: powerpc/poly1305 - Add block-only interface")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Tested-by: Thorsten Leemhuis <linux@leemhuis.info>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This reverts commit c4741b23059794bd99beef0f700103b0d983b3fd.
Crypto API self-tests no longer run at registration time and now
occur either at late_initcall or upon the first use.
Therefore the premise of the above commit no longer exists. Revert
it and subsequent additions of subsys_initcall and arch_initcall.
Note that lib/crypto calls will stay at subsys_initcall (or rather
downgraded from arch_initcall) because they may need to occur
before Crypto API registration.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Now that every architecture provides a block function, use that
to implement the lib/poly1305 and remove the old per-arch code.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add block-only interface.
Also remove the unnecessary SIMD fallback path.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Continue disentangling the crypto library functions from the generic
crypto infrastructure by moving the powerpc ChaCha and Poly1305 library
functions into a new directory arch/powerpc/lib/crypto/ that does not
depend on CRYPTO. This mirrors the distinction between crypto/ and
lib/crypto/.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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