diff options
Diffstat (limited to 'src/crypto.c')
| -rw-r--r-- | src/crypto.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/crypto.c b/src/crypto.c index f7ccd78..6d0f2aa 100644 --- a/src/crypto.c +++ b/src/crypto.c @@ -3,4 +3,28 @@ #include "3p/monocypher/monocypher.c" #include "3p/monocypher/monocypher-rng.c" +// -- SST-specific extensions to 4.0.1 API below -- +void crypto_aead_lock_djb(u8 *cipher_text, u8 mac[16], const u8 key[32], + const u8 nonce[8], const u8 *ad, size_t ad_size, + const u8 *plain_text, size_t text_size) +{ + crypto_aead_ctx ctx; + crypto_aead_init_djb(&ctx, key, nonce); + crypto_aead_write(&ctx, cipher_text, mac, ad, ad_size, + plain_text, text_size); + crypto_wipe(&ctx, sizeof(ctx)); +} + +int crypto_aead_unlock_djb(u8 *plain_text, const u8 mac[16], const u8 key[32], + const u8 nonce[8], const u8 *ad, size_t ad_size, + const u8 *cipher_text, size_t text_size) +{ + crypto_aead_ctx ctx; + crypto_aead_init_djb(&ctx, key, nonce); + int mismatch = crypto_aead_read(&ctx, plain_text, mac, ad, ad_size, + cipher_text, text_size); + crypto_wipe(&ctx, sizeof(ctx)); + return mismatch; +} + // vi: sw=4 ts=4 noet tw=80 cc=80 |