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-rw-r--r--crypto/poly1305_generic.c22
1 files changed, 1 insertions, 21 deletions
diff --git a/crypto/poly1305_generic.c b/crypto/poly1305_generic.c
index f3fcd9578a47..afe9a9e576dd 100644
--- a/crypto/poly1305_generic.c
+++ b/crypto/poly1305_generic.c
@@ -85,31 +85,11 @@ EXPORT_SYMBOL_GPL(crypto_poly1305_update);
int crypto_poly1305_final(struct shash_desc *desc, u8 *dst)
{
struct poly1305_desc_ctx *dctx = shash_desc_ctx(desc);
- __le32 digest[4];
- u64 f = 0;
if (unlikely(!dctx->sset))
return -ENOKEY;
- if (unlikely(dctx->buflen)) {
- dctx->buf[dctx->buflen++] = 1;
- memset(dctx->buf + dctx->buflen, 0,
- POLY1305_BLOCK_SIZE - dctx->buflen);
- poly1305_core_blocks(&dctx->h, dctx->r, dctx->buf, 1, 0);
- }
-
- poly1305_core_emit(&dctx->h, digest);
-
- /* mac = (h + s) % (2^128) */
- f = (f >> 32) + le32_to_cpu(digest[0]) + dctx->s[0];
- put_unaligned_le32(f, dst + 0);
- f = (f >> 32) + le32_to_cpu(digest[1]) + dctx->s[1];
- put_unaligned_le32(f, dst + 4);
- f = (f >> 32) + le32_to_cpu(digest[2]) + dctx->s[2];
- put_unaligned_le32(f, dst + 8);
- f = (f >> 32) + le32_to_cpu(digest[3]) + dctx->s[3];
- put_unaligned_le32(f, dst + 12);
-
+ poly1305_final_generic(dctx, dst);
return 0;
}
EXPORT_SYMBOL_GPL(crypto_poly1305_final);