diff options
Diffstat (limited to 'arch/powerpc/crypto/aes-spe-glue.c')
| -rw-r--r-- | arch/powerpc/crypto/aes-spe-glue.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/arch/powerpc/crypto/aes-spe-glue.c b/arch/powerpc/crypto/aes-spe-glue.c index 1fad5d4c658d..c2b23b69d7b1 100644 --- a/arch/powerpc/crypto/aes-spe-glue.c +++ b/arch/powerpc/crypto/aes-spe-glue.c @@ -94,13 +94,6 @@ static int ppc_aes_setkey(struct crypto_tfm *tfm, const u8 *in_key, { struct ppc_aes_ctx *ctx = crypto_tfm_ctx(tfm); - if (key_len != AES_KEYSIZE_128 && - key_len != AES_KEYSIZE_192 && - key_len != AES_KEYSIZE_256) { - tfm->crt_flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; - return -EINVAL; - } - switch (key_len) { case AES_KEYSIZE_128: ctx->rounds = 4; @@ -114,6 +107,8 @@ static int ppc_aes_setkey(struct crypto_tfm *tfm, const u8 *in_key, ctx->rounds = 6; ppc_expand_key_256(ctx->key_enc, in_key); break; + default: + return -EINVAL; } ppc_generate_decrypt_key(ctx->key_dec, ctx->key_enc, key_len); @@ -139,13 +134,6 @@ static int ppc_xts_setkey(struct crypto_skcipher *tfm, const u8 *in_key, key_len >>= 1; - if (key_len != AES_KEYSIZE_128 && - key_len != AES_KEYSIZE_192 && - key_len != AES_KEYSIZE_256) { - crypto_skcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); - return -EINVAL; - } - switch (key_len) { case AES_KEYSIZE_128: ctx->rounds = 4; @@ -162,6 +150,8 @@ static int ppc_xts_setkey(struct crypto_skcipher *tfm, const u8 *in_key, ppc_expand_key_256(ctx->key_enc, in_key); ppc_expand_key_256(ctx->key_twk, in_key + AES_KEYSIZE_256); break; + default: + return -EINVAL; } ppc_generate_decrypt_key(ctx->key_dec, ctx->key_enc, key_len); |