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Commit 305f9db2 authored by Herbert Xu's avatar Herbert Xu
Browse files

crypto: crypto4xx - Disable SHA implementation 



The crypto4xx SHA implementation keeps the hash state in the tfm
data structure.  This breaks a fundamental requirement of ahash
implementations that they must be reentrant.

This patch disables the broken implementation.

Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 66f6ce5e

drivers/crypto/amcc/crypto4xx_core.c

+0 −19
Original line number Diff line number Diff line
@@ -1144,25 +1144,6 @@ struct crypto4xx_alg_common crypto4xx_alg[] = { 
			}

		}

	}},

	/* Hash SHA1 */

	{ .type = CRYPTO_ALG_TYPE_AHASH, .u.hash = {

		.init		= crypto4xx_hash_init,

		.update		= crypto4xx_hash_update,

		.final  	= crypto4xx_hash_final,

		.digest 	= crypto4xx_hash_digest,

		.halg.digestsize = SHA1_DIGEST_SIZE,

		.halg.base	= {

			.cra_name	= "sha1",

			.cra_driver_name = "sha1-ppc4xx",

			.cra_priority	= CRYPTO4XX_CRYPTO_PRIORITY,

			.cra_flags	= CRYPTO_ALG_ASYNC,

			.cra_blocksize	= SHA1_BLOCK_SIZE,

			.cra_ctxsize	= sizeof(struct crypto4xx_ctx),

			.cra_init	= crypto4xx_sha1_alg_init,

			.cra_exit	= crypto4xx_alg_exit,

			.cra_module	= THIS_MODULE,

		}

	}},

};



/**