diff options
Diffstat (limited to 'src/libstrongswan/crypto/aead.h')
| -rw-r--r-- | src/libstrongswan/crypto/aead.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/libstrongswan/crypto/aead.h b/src/libstrongswan/crypto/aead.h index c887f53bb..43f71b65e 100644 --- a/src/libstrongswan/crypto/aead.h +++ b/src/libstrongswan/crypto/aead.h @@ -102,6 +102,10 @@ struct aead_t { /** * Get the size of the key material (for encryption and authentication). * + * This includes any additional bytes requires for the implicit nonce part. + * For AEADs based on traditional ciphers, the length is for both + * the integrity and the encryption key in total. + * * @return key size in bytes */ size_t (*get_key_size)(aead_t *this); @@ -109,6 +113,11 @@ struct aead_t { /** * Set the key for encryption and authentication. * + * If the AEAD uses an implicit nonce, the last part of the key shall + * be the implicit nonce. For AEADs based on traditional ciphers, the + * key shall include both integrity and encryption keys, concatenated + * in that order. + * * @param key encryption and authentication key * @return TRUE if key set successfully */ |