key definitions

2026-10-20 16:25:21 +02:00
parent 9a9f85b180
commit 42ed4e96e0
1 changed files with 13 additions and 1 deletions
@@ -22,7 +22,19 @@ extern "C" {
 #define BRAVAIS_MAX_DATAGRAM_SIZE 1500
 #define BRAVAIS_MAX_PLAINTEXT_SIZE 65535

-#define BRAVAIS_KEY_LENGTH 32 // For X25519 private and public - do PQC later
+#define BRAVAIS_NONCE_LENGTH 12
+#define BRAVAIS_AEAD_TAG_LENGTH 16 // Poly1305 and GCM alike
+#define BRAVAIS_CHACHA20_POLY1305_KEY_LENGTH 32
+#define BRAVAIS_QUIC_INITIAL_KEY_LENGTH 16 // AES-128-GCM
+#define BRAVAIS_QUIC_INITIAL_IV_LENGTH 12 // XORed with the packet number
+#define BRAVAIS_QUIC_HP_KEY_LENGTH 16 // AES-128-ECB header protection
+#define BRAVAIS_QUIC_HP_SAMPLE_LENGTH 16
+#define BRAVAIS_X25519_KEY_LENGTH 32 // For X25519 private and public
+#define BRAVAIS_ML_KEM_768_PUBLIC_KEY_LENGTH 1184 // encapsulation key
+#define BRAVAIS_ML_KEM_768_PRIVATE_KEY_LENGTH 2400 // decapsulation key, expanded
+#define BRAVAIS_ML_KEM_768_SEED_LENGTH 64 // d || z, expands to the private key
+#define BRAVAIS_ML_KEM_768_CIPHERTEXT_LENGTH 1088
+#define BRAVAIS_ML_KEM_768_SHARED_SECRET_LENGTH 32

 typedef enum {
    // Error codes; Generally <0 = error, 0 = success