crypto: hash - remove CRYPTO_ALG_TYPE_DIGEST

Remove the unnecessary constant CRYPTO_ALG_TYPE_DIGEST, which has the
same value as CRYPTO_ALG_TYPE_HASH.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Documentation/crypto/architecture.rst

@@ -208,9 +208,7 @@ the aforementioned cipher types:
 -  CRYPTO_ALG_TYPE_KPP Key-agreement Protocol Primitive (KPP) such as
    an ECDH or DH implementation
 
--  CRYPTO_ALG_TYPE_DIGEST Raw message digest
-
--  CRYPTO_ALG_TYPE_HASH Alias for CRYPTO_ALG_TYPE_DIGEST
+-  CRYPTO_ALG_TYPE_HASH Raw message digest
 
 -  CRYPTO_ALG_TYPE_SHASH Synchronous multi-block hash
 

crypto/cryptd.c

@@ -925,7 +925,7 @@ static int cryptd_create(struct crypto_template *tmpl, struct rtattr **tb)
 	switch (algt->type & algt->mask & CRYPTO_ALG_TYPE_MASK) {
 	case CRYPTO_ALG_TYPE_BLKCIPHER:
 		return cryptd_create_skcipher(tmpl, tb, &queue);
-	case CRYPTO_ALG_TYPE_DIGEST:
+	case CRYPTO_ALG_TYPE_HASH:
 		return cryptd_create_hash(tmpl, tb, &queue);
 	case CRYPTO_ALG_TYPE_AEAD:
 		return cryptd_create_aead(tmpl, tb, &queue);

include/linux/crypto.h

@@ -54,7 +54,6 @@
 #define CRYPTO_ALG_TYPE_SCOMPRESS	0x0000000b
 #define CRYPTO_ALG_TYPE_RNG		0x0000000c
 #define CRYPTO_ALG_TYPE_AKCIPHER	0x0000000d
-#define CRYPTO_ALG_TYPE_DIGEST		0x0000000e
 #define CRYPTO_ALG_TYPE_HASH		0x0000000e
 #define CRYPTO_ALG_TYPE_SHASH		0x0000000e
 #define CRYPTO_ALG_TYPE_AHASH		0x0000000f