diff options
Diffstat (limited to 'arch/arm/lib/crypto/poly1305-glue.c')
-rw-r--r-- | arch/arm/lib/crypto/poly1305-glue.c | 57 |
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. */ |