Thread (51 messages) 51 messages, 6 authors, 2026-01-14

Re: [PATCH 30/36] crypto: inside-secure - Use new AES library API

From: Qingfang Deng <dqfext@gmail.com>
Date: 2026-01-07 03:48:47
Also in: linux-arm-kernel, linux-crypto, linux-riscv, linux-s390, lkml, sparclinux

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;
  
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