1 files changed, 0 insertions, 149 deletions
diff --git a/crypto/poly1305_generic.c b/crypto/poly1305_generic.c
deleted file mode 100644
index e6f29a98725a..000000000000
--- a/crypto/poly1305_generic.c
+++ /dev/null
@@ -1,149 +0,0 @@
-/*
- * Poly1305 authenticator algorithm, RFC7539
- *
- * Copyright (C) 2015 Martin Willi
- *
- * Based on public domain code by Andrew Moon and Daniel J. Bernstein.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#include <crypto/algapi.h>
-#include <crypto/internal/hash.h>
-#include <crypto/internal/poly1305.h>
-#include <linux/crypto.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/unaligned.h>
-
-static int crypto_poly1305_init(struct shash_desc *desc)
-{
-	struct poly1305_desc_ctx *dctx = shash_desc_ctx(desc);
-
-	poly1305_core_init(&dctx->h);
-	dctx->buflen = 0;
-	dctx->rset = 0;
-	dctx->sset = false;
-
-	return 0;
-}
-
-static unsigned int crypto_poly1305_setdesckey(struct poly1305_desc_ctx *dctx,
-					       const u8 *src, unsigned int srclen)
-{
-	if (!dctx->sset) {
-		if (!dctx->rset && srclen >= POLY1305_BLOCK_SIZE) {
-			poly1305_core_setkey(&dctx->core_r, src);
-			src += POLY1305_BLOCK_SIZE;
-			srclen -= POLY1305_BLOCK_SIZE;
-			dctx->rset = 2;
-		}
-		if (srclen >= POLY1305_BLOCK_SIZE) {
-			dctx->s[0] = get_unaligned_le32(src +  0);
-			dctx->s[1] = get_unaligned_le32(src +  4);
-			dctx->s[2] = get_unaligned_le32(src +  8);
-			dctx->s[3] = get_unaligned_le32(src + 12);
-			src += POLY1305_BLOCK_SIZE;
-			srclen -= POLY1305_BLOCK_SIZE;
-			dctx->sset = true;
-		}
-	}
-	return srclen;
-}
-
-static void poly1305_blocks(struct poly1305_desc_ctx *dctx, const u8 *src,
-			    unsigned int srclen)
-{
-	unsigned int datalen;
-
-	if (unlikely(!dctx->sset)) {
-		datalen = crypto_poly1305_setdesckey(dctx, src, srclen);
-		src += srclen - datalen;
-		srclen = datalen;
-	}
-
-	poly1305_core_blocks(&dctx->h, &dctx->core_r, src,
-			     srclen / POLY1305_BLOCK_SIZE, 1);
-}
-
-static int crypto_poly1305_update(struct shash_desc *desc,
-				  const u8 *src, unsigned int srclen)
-{
-	struct poly1305_desc_ctx *dctx = shash_desc_ctx(desc);
-	unsigned int bytes;
-
-	if (unlikely(dctx->buflen)) {
-		bytes = min(srclen, POLY1305_BLOCK_SIZE - dctx->buflen);
-		memcpy(dctx->buf + dctx->buflen, src, bytes);
-		src += bytes;
-		srclen -= bytes;
-		dctx->buflen += bytes;
-
-		if (dctx->buflen == POLY1305_BLOCK_SIZE) {
-			poly1305_blocks(dctx, dctx->buf,
-					POLY1305_BLOCK_SIZE);
-			dctx->buflen = 0;
-		}
-	}
-
-	if (likely(srclen >= POLY1305_BLOCK_SIZE)) {
-		poly1305_blocks(dctx, src, srclen);
-		src += srclen - (srclen % POLY1305_BLOCK_SIZE);
-		srclen %= POLY1305_BLOCK_SIZE;
-	}
-
-	if (unlikely(srclen)) {
-		dctx->buflen = srclen;
-		memcpy(dctx->buf, src, srclen);
-	}
-
-	return 0;
-}
-
-static int crypto_poly1305_final(struct shash_desc *desc, u8 *dst)
-{
-	struct poly1305_desc_ctx *dctx = shash_desc_ctx(desc);
-
-	if (unlikely(!dctx->sset))
-		return -ENOKEY;
-
-	poly1305_final_generic(dctx, dst);
-	return 0;
-}
-
-static struct shash_alg poly1305_alg = {
-	.digestsize	= POLY1305_DIGEST_SIZE,
-	.init		= crypto_poly1305_init,
-	.update		= crypto_poly1305_update,
-	.final		= crypto_poly1305_final,
-	.descsize	= sizeof(struct poly1305_desc_ctx),
-	.base		= {
-		.cra_name		= "poly1305",
-		.cra_driver_name	= "poly1305-generic",
-		.cra_priority		= 100,
-		.cra_blocksize		= POLY1305_BLOCK_SIZE,
-		.cra_module		= THIS_MODULE,
-	},
-};
-
-static int __init poly1305_mod_init(void)
-{
-	return crypto_register_shash(&poly1305_alg);
-}
-
-static void __exit poly1305_mod_exit(void)
-{
-	crypto_unregister_shash(&poly1305_alg);
-}
-
-subsys_initcall(poly1305_mod_init);
-module_exit(poly1305_mod_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Martin Willi <martin@strongswan.org>");
-MODULE_DESCRIPTION("Poly1305 authenticator");
-MODULE_ALIAS_CRYPTO("poly1305");
-MODULE_ALIAS_CRYPTO("poly1305-generic");