diff options
| author | Sagar Vashnav <sagarvashnav72427@gmail.com> | 2023-10-25 14:57:07 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2023-11-17 12:16:28 +0100 |
| commit | 239e27a983316e4746e2ad45ba65fafaf3bbc15d (patch) | |
| tree | fd1e63420ad20be657283fb35ac43539369c6893 /lib | |
| parent | dt-bindings: crypto: qcom,prng: document SM8650 (diff) | |
| download | linux-239e27a983316e4746e2ad45ba65fafaf3bbc15d.tar.xz linux-239e27a983316e4746e2ad45ba65fafaf3bbc15d.zip | |
crypto: lib/aesgcm - Add kernel docs for aesgcm_mac
Add kernel documentation for the aesgcm_mac.
This function generates the authentication tag using the AES-GCM algorithm.
Signed-off-by: Sagar Vashnav <sagarvashnav72427@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/crypto/aesgcm.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/crypto/aesgcm.c b/lib/crypto/aesgcm.c index c632d6e17af8..6bba6473fdf3 100644 --- a/lib/crypto/aesgcm.c +++ b/lib/crypto/aesgcm.c @@ -73,6 +73,19 @@ static void aesgcm_ghash(be128 *ghash, const be128 *key, const void *src, } } +/** + * aesgcm_mac - Generates the authentication tag using AES-GCM algorithm. + * @ctx: The data structure that will hold the AES-GCM key schedule + * @src: The input source data. + * @src_len: Length of the source data. + * @assoc: Points to the associated data. + * @assoc_len: Length of the associated data values. + * @ctr: Points to the counter value. + * @authtag: The output buffer for the authentication tag. + * + * It takes in the AES-GCM context, source data, associated data, counter value, + * and an output buffer for the authentication tag. + */ static void aesgcm_mac(const struct aesgcm_ctx *ctx, const u8 *src, int src_len, const u8 *assoc, int assoc_len, __be32 *ctr, u8 *authtag) { |