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| author | Philippe Reynes <philippe.reynes@softathome.com> | 2020-01-06 15:22:34 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-01-17 10:15:49 -0500 |
| commit | 7012c04ef3dea6ab05cab74879e1ab97c7a086e2 (patch) | |
| tree | db64b7e0029c5a6d4cc700808ab0bc3f77471ee7 /cmd/aes.c | |
| parent | d7bb6aceb2e99a832efbb96f9bf480bf95602192 (diff) | |
| download | u-boot-7012c04ef3dea6ab05cab74879e1ab97c7a086e2.tar.gz u-boot-7012c04ef3dea6ab05cab74879e1ab97c7a086e2.tar.xz u-boot-7012c04ef3dea6ab05cab74879e1ab97c7a086e2.zip | |
aes: add a define for the size of a block
In the code, we use the size of the key for the
size of the block. It's true when the key is 128 bits,
but it become false for key of 192 bits and 256 bits.
So to prepare the support of aes192 and 256,
we introduce a constant for the iaes block size.
Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'cmd/aes.c')
| -rw-r--r-- | cmd/aes.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -56,7 +56,7 @@ static int do_aes(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) aes_expand_key(key_ptr, key_exp); /* Calculate the number of AES blocks to encrypt. */ - aes_blocks = DIV_ROUND_UP(len, AES_KEY_LENGTH); + aes_blocks = DIV_ROUND_UP(len, AES_BLOCK_LENGTH); if (enc) aes_cbc_encrypt_blocks(key_exp, iv_ptr, src_ptr, dst_ptr, |