crypto: lib/poly1305 - Use block-only interface

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>

1 files changed, 0 insertions, 57 deletions

diff --git a/arch/arm/lib/crypto/poly1305-glue.c b/arch/arm/lib/crypto/poly1305-glue.c
index 3ee16048ec7c..91da42b26d9c 100644
--- a/arch/arm/lib/crypto/poly1305-glue.c
+++ b/arch/arm/lib/crypto/poly1305-glue.c
@@ -12,7 +12,6 @@
 #include <linux/jump_label.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/string.h>
 #include <linux/unaligned.h>
 
 asmlinkage void poly1305_block_init_arch(
@@ -35,17 +34,6 @@ void __weak poly1305_blocks_neon(struct poly1305_block_state *state,
 
 static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_neon);
 
-void poly1305_init_arch(struct poly1305_desc_ctx *dctx, const u8 key[POLY1305_KEY_SIZE])
-{
-	dctx->s[0] = get_unaligned_le32(key + 16);
-	dctx->s[1] = get_unaligned_le32(key + 20);
-	dctx->s[2] = get_unaligned_le32(key + 24);
-	dctx->s[3] = get_unaligned_le32(key + 28);
-	dctx->buflen = 0;
-	poly1305_block_init_arch(&dctx->state, key);
-}
-EXPORT_SYMBOL(poly1305_init_arch);
-
 void poly1305_blocks_arch(struct poly1305_block_state *state, const u8 *src,
 			  unsigned int len, u32 padbit)
 {
@@ -67,51 +55,6 @@ void poly1305_blocks_arch(struct poly1305_block_state *state, const u8 *src,
 }
 EXPORT_SYMBOL_GPL(poly1305_blocks_arch);
 
-void poly1305_update_arch(struct poly1305_desc_ctx *dctx, const u8 *src,
-			  unsigned int nbytes)
-{
-	if (unlikely(dctx->buflen)) {
-		u32 bytes = min(nbytes, POLY1305_BLOCK_SIZE - dctx->buflen);
-
-		memcpy(dctx->buf + dctx->buflen, src, bytes);
-		src += bytes;
-		nbytes -= bytes;
-		dctx->buflen += bytes;
-
-		if (dctx->buflen == POLY1305_BLOCK_SIZE) {
-			poly1305_blocks_arch(&dctx->state, dctx->buf,
-					     POLY1305_BLOCK_SIZE, 1);
-			dctx->buflen = 0;
-		}
-	}
-
-	if (likely(nbytes >= POLY1305_BLOCK_SIZE)) {
-		poly1305_blocks_arch(&dctx->state, src, nbytes, 1);
-		src += round_down(nbytes, POLY1305_BLOCK_SIZE);
-		nbytes %= POLY1305_BLOCK_SIZE;
-	}
-
-	if (unlikely(nbytes)) {
-		dctx->buflen = nbytes;
-		memcpy(dctx->buf, src, nbytes);
-	}
-}
-EXPORT_SYMBOL(poly1305_update_arch);
-
-void poly1305_final_arch(struct poly1305_desc_ctx *dctx, u8 *dst)
-{
-	if (unlikely(dctx->buflen)) {
-		dctx->buf[dctx->buflen++] = 1;
-		memset(dctx->buf + dctx->buflen, 0,
-		       POLY1305_BLOCK_SIZE - dctx->buflen);
-		poly1305_blocks_arch(&dctx->state, dctx->buf, POLY1305_BLOCK_SIZE, 0);
-	}
-
-	poly1305_emit_arch(&dctx->h, dst, dctx->s);
-	*dctx = (struct poly1305_desc_ctx){};
-}
-EXPORT_SYMBOL(poly1305_final_arch);
-
 bool poly1305_is_arch_optimized(void)
 {
 	/* We always can use at least the ARM scalar implementation. */