crypto: lib/utils - Move utilities into new header

The utilities have historically resided in algapi.h as they were
first used internally before being exported.  Move them into a
new header file so external users don't see internal API details.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 1 insertions, 62 deletions

diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index e28957993b56..bbf8c43c3320 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -7,15 +7,12 @@
 #ifndef _CRYPTO_ALGAPI_H
 #define _CRYPTO_ALGAPI_H
 
+#include <crypto/utils.h>
 #include <linux/align.h>
 #include <linux/cache.h>
 #include <linux/crypto.h>
-#include <linux/kconfig.h>
-#include <linux/list.h>
 #include <linux/types.h>
 
-#include <asm/unaligned.h>
-
 /*
  * Maximum values for blocksize and alignmask, used to allocate
  * static buffers that are big enough for any combination of
@@ -172,47 +169,6 @@ static inline unsigned int crypto_queue_len(struct crypto_queue *queue)
 }
 
 void crypto_inc(u8 *a, unsigned int size);
-void __crypto_xor(u8 *dst, const u8 *src1, const u8 *src2, unsigned int size);
-
-static inline void crypto_xor(u8 *dst, const u8 *src, unsigned int size)
-{
-	if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) &&
-	    __builtin_constant_p(size) &&
-	    (size % sizeof(unsigned long)) == 0) {
-		unsigned long *d = (unsigned long *)dst;
-		unsigned long *s = (unsigned long *)src;
-		unsigned long l;
-
-		while (size > 0) {
-			l = get_unaligned(d) ^ get_unaligned(s++);
-			put_unaligned(l, d++);
-			size -= sizeof(unsigned long);
-		}
-	} else {
-		__crypto_xor(dst, dst, src, size);
-	}
-}
-
-static inline void crypto_xor_cpy(u8 *dst, const u8 *src1, const u8 *src2,
-				  unsigned int size)
-{
-	if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) &&
-	    __builtin_constant_p(size) &&
-	    (size % sizeof(unsigned long)) == 0) {
-		unsigned long *d = (unsigned long *)dst;
-		unsigned long *s1 = (unsigned long *)src1;
-		unsigned long *s2 = (unsigned long *)src2;
-		unsigned long l;
-
-		while (size > 0) {
-			l = get_unaligned(s1++) ^ get_unaligned(s2++);
-			put_unaligned(l, d++);
-			size -= sizeof(unsigned long);
-		}
-	} else {
-		__crypto_xor(dst, src1, src2, size);
-	}
-}
 
 static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm)
 {
@@ -291,23 +247,6 @@ static inline u32 crypto_algt_inherited_mask(struct crypto_attr_type *algt)
 	return crypto_requires_off(algt, CRYPTO_ALG_INHERITED_FLAGS);
 }
 
-noinline unsigned long __crypto_memneq(const void *a, const void *b, size_t size);
-
-/**
- * crypto_memneq - Compare two areas of memory without leaking
- *		   timing information.
- *
- * @a: One area of memory
- * @b: Another area of memory
- * @size: The size of the area.
- *
- * Returns 0 when data is equal, 1 otherwise.
- */
-static inline int crypto_memneq(const void *a, const void *b, size_t size)
-{
-	return __crypto_memneq(a, b, size) != 0UL ? 1 : 0;
-}
-
 int crypto_register_notifier(struct notifier_block *nb);
 int crypto_unregister_notifier(struct notifier_block *nb);