crypto: arm/blake2b - Set FINAL_NONZERO

Set FINAL_NONZERO as blake2b expects to have at least one byte for
finalisation.

Reported-by: Corentin LABBE <clabbe.montjoie@gmail.com>
Fixes: cc28260ab4fb ("crypto: arm/blake2b - Use API partial block handling")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Tested-by: Corentin LABBE <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/arch/arm/crypto/blake2b-neon-glue.c b/arch/arm/crypto/blake2b-neon-glue.c
index 7ae4ba0afe064a23c3c2339f153d12cb135de223..2ff443a91724f58e07b442a2756b4454c2baafdf 100644 (file)
--- a/arch/arm/crypto/blake2b-neon-glue.c
+++ b/arch/arm/crypto/blake2b-neon-glue.c
@@ -52,7 +52,8 @@ static int crypto_blake2b_finup_neon(struct shash_desc *desc, const u8 *in,
                .base.cra_driver_name   = driver_name,                  \
                .base.cra_priority      = 200,                          \
                .base.cra_flags         = CRYPTO_ALG_OPTIONAL_KEY |     \
-                                         CRYPTO_AHASH_ALG_BLOCK_ONLY,  \
+                                         CRYPTO_AHASH_ALG_BLOCK_ONLY | \
+                                         CRYPTO_AHASH_ALG_FINAL_NONZERO, \
                .base.cra_blocksize     = BLAKE2B_BLOCK_SIZE,           \
                .base.cra_ctxsize       = sizeof(struct blake2b_tfm_ctx), \
                .base.cra_module        = THIS_MODULE,                  \