crypto: mips/poly1305 - Add block-only interface

Add block-only interface.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
pull/1250/head
Herbert Xu 2025-04-28 12:56:14 +08:00
parent a59e5468a9
commit ffe5ca295d
2 changed files with 26 additions and 15 deletions

View File

@ -5,23 +5,33 @@
* Copyright (C) 2019 Linaro Ltd. <ard.biesheuvel@linaro.org>
*/
#include <crypto/poly1305.h>
#include <crypto/internal/poly1305.h>
#include <linux/cpufeature.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/unaligned.h>
asmlinkage void poly1305_init_mips(void *state, const u8 *key);
asmlinkage void poly1305_blocks_mips(void *state, const u8 *src, u32 len, u32 hibit);
asmlinkage void poly1305_emit_mips(void *state, u8 *digest, const u32 *nonce);
asmlinkage void poly1305_block_init_arch(
struct poly1305_block_state *state,
const u8 raw_key[POLY1305_BLOCK_SIZE]);
EXPORT_SYMBOL_GPL(poly1305_block_init_arch);
asmlinkage void poly1305_blocks_arch(struct poly1305_block_state *state,
const u8 *src, u32 len, u32 hibit);
EXPORT_SYMBOL_GPL(poly1305_blocks_arch);
asmlinkage void poly1305_emit_arch(const struct poly1305_state *state,
u8 digest[POLY1305_DIGEST_SIZE],
const u32 nonce[4]);
EXPORT_SYMBOL_GPL(poly1305_emit_arch);
void poly1305_init_arch(struct poly1305_desc_ctx *dctx, const u8 key[POLY1305_KEY_SIZE])
{
poly1305_init_mips(&dctx->h, key);
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);
@ -37,7 +47,7 @@ void poly1305_update_arch(struct poly1305_desc_ctx *dctx, const u8 *src,
dctx->buflen += bytes;
if (dctx->buflen == POLY1305_BLOCK_SIZE) {
poly1305_blocks_mips(&dctx->h, dctx->buf,
poly1305_blocks_arch(&dctx->state, dctx->buf,
POLY1305_BLOCK_SIZE, 1);
dctx->buflen = 0;
}
@ -46,7 +56,7 @@ void poly1305_update_arch(struct poly1305_desc_ctx *dctx, const u8 *src,
if (likely(nbytes >= POLY1305_BLOCK_SIZE)) {
unsigned int len = round_down(nbytes, POLY1305_BLOCK_SIZE);
poly1305_blocks_mips(&dctx->h, src, len, 1);
poly1305_blocks_arch(&dctx->state, src, len, 1);
src += len;
nbytes %= POLY1305_BLOCK_SIZE;
}
@ -64,10 +74,11 @@ void poly1305_final_arch(struct poly1305_desc_ctx *dctx, u8 *dst)
dctx->buf[dctx->buflen++] = 1;
memset(dctx->buf + dctx->buflen, 0,
POLY1305_BLOCK_SIZE - dctx->buflen);
poly1305_blocks_mips(&dctx->h, dctx->buf, POLY1305_BLOCK_SIZE, 0);
poly1305_blocks_arch(&dctx->state, dctx->buf,
POLY1305_BLOCK_SIZE, 0);
}
poly1305_emit_mips(&dctx->h, dst, dctx->s);
poly1305_emit_arch(&dctx->h, dst, dctx->s);
*dctx = (struct poly1305_desc_ctx){};
}
EXPORT_SYMBOL(poly1305_final_arch);

View File

@ -93,9 +93,9 @@ $code.=<<___;
#endif
#ifdef __KERNEL__
# define poly1305_init poly1305_init_mips
# define poly1305_blocks poly1305_blocks_mips
# define poly1305_emit poly1305_emit_mips
# define poly1305_init poly1305_block_init_arch
# define poly1305_blocks poly1305_blocks_arch
# define poly1305_emit poly1305_emit_arch
#endif
#if defined(__MIPSEB__) && !defined(MIPSEB)
@ -565,9 +565,9 @@ $code.=<<___;
#endif
#ifdef __KERNEL__
# define poly1305_init poly1305_init_mips
# define poly1305_blocks poly1305_blocks_mips
# define poly1305_emit poly1305_emit_mips
# define poly1305_init poly1305_block_init_arch
# define poly1305_blocks poly1305_blocks_arch
# define poly1305_emit poly1305_emit_arch
#endif
#if defined(__MIPSEB__) && !defined(MIPSEB)