@@ -118,21 +118,20 @@ static int safexcel_context_control(struct safexcel_cipher_ctx *ctx,
switch (ctx->key_len) {
case AES_KEYSIZE_128:
cdesc->control_data.control0 |= CONTEXT_CONTROL_CRYPTO_ALG_AES128;
- ctrl_size = 4;
break;
case AES_KEYSIZE_192:
cdesc->control_data.control0 |= CONTEXT_CONTROL_CRYPTO_ALG_AES192;
- ctrl_size = 6;
break;
case AES_KEYSIZE_256:
cdesc->control_data.control0 |= CONTEXT_CONTROL_CRYPTO_ALG_AES256;
- ctrl_size = 8;
break;
default:
dev_err(priv->dev, "aes keysize not supported: %u\n",
ctx->key_len);
return -EINVAL;
}
+
+ ctrl_size = ctx->key_len / sizeof(u32);
cdesc->control_data.control0 |= CONTEXT_CONTROL_SIZE(ctrl_size);
return 0;
This patch makes the context control size computation dynamic, not to rely on hardcoded values. This is better for the future, and will help adding the AEAD support. Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com> --- drivers/crypto/inside-secure/safexcel_cipher.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)