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crypto: ghash - add comment and improve help text

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To help avoid confusion, add a comment to ghash-generic.c which explains
the convention that the kernel's implementation of GHASH uses.

Also update the Kconfig help text and module descriptions to call GHASH
a "hash function" rather than a "message digest", since the latter
normally means a real cryptographic hash function, which GHASH is not.

Cc: Pascal Van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Pascal Van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers
2019-07-19 23:09:18 -07:00
committed by Herbert Xu
parent 065cf57713
commit 8dfa20fcfb
7 changed files with 41 additions and 16 deletions
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2
arch/arm/crypto/ghash-ce-glue.c
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@@ -18,7 +18,7 @@
#include <linux/crypto.h>
#include <linux/module.h>
MODULE_DESCRIPTION("GHASH secure hash using ARMv8 Crypto Extensions");
MODULE_DESCRIPTION("GHASH hash function using ARMv8 Crypto Extensions");
MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS_CRYPTO("ghash");