On Sun, 4 Jan 2026 21:13:03 -0800, Eric Biggers wrote:
quoted hunk ↗ jump to hunk
--- a/drivers/crypto/inside-secure/safexcel_cipher.c
+++ b/drivers/crypto/inside-secure/safexcel_cipher.c
@@ -2505,37 +2505,35 @@ static int safexcel_aead_gcm_setkey(struct crypto_aead *ctfm, const u8 *key,
unsigned int len)
{
struct crypto_tfm *tfm = crypto_aead_tfm(ctfm);
struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
struct safexcel_crypto_priv *priv = ctx->base.priv;
- struct crypto_aes_ctx aes;
+ struct aes_enckey aes;
u32 hashkey[AES_BLOCK_SIZE >> 2];
int ret, i;
- ret = aes_expandkey(&aes, key, len);
- if (ret) {
- memzero_explicit(&aes, sizeof(aes));
+ ret = aes_prepareenckey(&aes, key, len);
+ if (ret)
return ret;
- }
if (priv->flags & EIP197_TRC_CACHE && ctx->base.ctxr_dma) {
for (i = 0; i < len / sizeof(u32); i++) {
- if (le32_to_cpu(ctx->key[i]) != aes.key_enc[i]) {
+ if (ctx->key[i] != get_unaligned((__le32 *)key + i)) {
"key" is big-endian. Casting it to __le32 does not seem correct.
Did you mean "get_unaligned_le32", which also convert the endianness?
ctx->base.needs_inv = true;
break;
}
}
}
for (i = 0; i < len / sizeof(u32); i++)
- ctx->key[i] = cpu_to_le32(aes.key_enc[i]);
+ ctx->key[i] = get_unaligned((__le32 *)key + i);
Same here.
ctx->key_len = len;
/* Compute hash key by encrypting zeroes with cipher key */
memset(hashkey, 0, AES_BLOCK_SIZE);
- aes_encrypt(&aes, (u8 *)hashkey, (u8 *)hashkey);
+ aes_encrypt_new(&aes, (u8 *)hashkey, (u8 *)hashkey);
if (priv->flags & EIP197_TRC_CACHE && ctx->base.ctxr_dma) {
for (i = 0; i < AES_BLOCK_SIZE / sizeof(u32); i++) {
if (be32_to_cpu(ctx->base.ipad.be[i]) != hashkey[i]) {
ctx->base.needs_inv = true;