On 12 March 2018 at 14:38, Vitaly Andrianov <vitalya@xxxxxx> wrote:
> Hello,
>
> The Texas Instruments keystone2 out-of-tree kernel uses the
> private_AES_set_encrypt_key() and
> the AES_encrypt() at the crypto HW acceleration driver.
>
> The "crypto: arm/aes - replace bit-sliced OpenSSL NEON code" commit removed
> those functions.
> Here is a code, which calls the removed functions.
>
> static inline int sa_aes_xcbc_subkey(u8 *sub_key1, u8 *sub_key2,
> u8 *sub_key3, const u8 *key,
> u16 key_sz)
> {
> struct AES_KEY enc_key;
>
> if (private_AES_set_encrypt_key(key, (key_sz * 8), &enc_key)) {
> pr_err("%s: failed to set enc key\n", __func__);
> return -EINVAL;
> }
>
> if (sub_key1) {
> memset(sub_key1, 0x01, AES_BLOCK_SIZE);
> AES_encrypt(sub_key1, sub_key1, &enc_key);
> }
>
> if (sub_key2) {
> memset(sub_key2, 0x02, AES_BLOCK_SIZE);
> AES_encrypt(sub_key2, sub_key2, &enc_key);
> }
>
> if (sub_key3) {
> memset(sub_key3, 0x03, AES_BLOCK_SIZE);
> AES_encrypt(sub_key3, sub_key3, &enc_key);
> }
>
> return 0;
> }
>
> Which functions can I use to replace the removed ones in the above code?
>
Look at xcbc_setkey() in arch/arm64/crypto/aes-glue.c for an example
