Initial Commit

packages/security-stack/crypto/crypto-browser/src/constants/index.ts

@@ -0,0 +1,29 @@
+/** Recommended AES-GCM nonce length in bytes (96-bit IV). */
+export const AES_GCM_NONCE_LENGTH = 12 as const;
+
+/** AES-256 key length in bytes. */
+export const AES_256_KEY_LENGTH = 32 as const;
+
+/** AES-128 key length in bytes. */
+export const AES_128_KEY_LENGTH = 16 as const;
+
+/** Ed25519 public key length in bytes. */
+export const ED25519_PUBLIC_KEY_LENGTH = 32 as const;
+
+/** Ed25519 signature length in bytes. */
+export const ED25519_SIGNATURE_LENGTH = 64 as const;
+
+/** X25519 public key length in bytes. */
+export const X25519_PUBLIC_KEY_LENGTH = 32 as const;
+
+/** X25519 shared secret length in bytes. */
+export const X25519_SHARED_SECRET_LENGTH = 32 as const;
+
+/** P-384 uncompressed public key length in bytes. */
+export const P384_PUBLIC_KEY_LENGTH = 97 as const;
+
+/** P-384 shared secret length in bytes (derived bits). */
+export const P384_SHARED_SECRET_LENGTH = 48 as const;
+
+/** P-256 uncompressed public key length in bytes. */
+export const P256_PUBLIC_KEY_LENGTH = 65 as const;