Move static buffers into getters to avoid side-effects

ApelegHQ · Feb 9, 2024 · c1cafaf · c1cafaf
1 parent 7223a2a
commit c1cafaf
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Showing 2 changed files with 29 additions and 19 deletions.
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@exact-realty/rfc8188",
-	"version": "1.0.1",
+	"version": "1.0.2",
 	"description": "An implementation of RFC 8188 (encrypted content-encoding for HTTP)",
 	"type": "module",
 	"main": "dist/index.cjs",

diff --git a/src/encodings.ts b/src/encodings.ts
@@ -28,16 +28,21 @@ export const aes128gcm: Readonly<TEncoding> = {
 		['length']: 128,
 	},
 	// The literal `Content-Encoding: aes128gcm\x00`
-	cek_info: new Uint8Array([
-		0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x45, 0x6e, 0x63, 0x6f,
-		0x64, 0x69, 0x6e, 0x67, 0x3a, 0x20, 0x61, 0x65, 0x73, 0x31, 0x32, 0x38,
-		0x67, 0x63, 0x6d, 0x00,
-	]),
+	get cek_info() {
+		return new Uint8Array([
+			0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x45, 0x6e, 0x63,
+			0x6f, 0x64, 0x69, 0x6e, 0x67, 0x3a, 0x20, 0x61, 0x65, 0x73, 0x31,
+			0x32, 0x38, 0x67, 0x63, 0x6d, 0x00,
+		]);
+	},
 	// The literal `Content-Encoding: nonce\x00`
-	nonce_info: new Uint8Array([
-		0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x45, 0x6e, 0x63, 0x6f,
-		0x64, 0x69, 0x6e, 0x67, 0x3a, 0x20, 0x6e, 0x6f, 0x6e, 0x63, 0x65, 0x00,
-	]),
+	get nonce_info() {
+		return new Uint8Array([
+			0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x45, 0x6e, 0x63,
+			0x6f, 0x64, 0x69, 0x6e, 0x67, 0x3a, 0x20, 0x6e, 0x6f, 0x6e, 0x63,
+			0x65, 0x00,
+		]);
+	},
 	block_size: 16,
 	tag_length: 16,
 	nonce_length: 12,
@@ -50,16 +55,21 @@ export const aes256gcm: Readonly<TEncoding> = {
 		['length']: 256,
 	},
 	// The literal `Content-Encoding: aes256gcm\x00`
-	cek_info: new Uint8Array([
-		0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x45, 0x6e, 0x63, 0x6f,
-		0x64, 0x69, 0x6e, 0x67, 0x3a, 0x20, 0x61, 0x65, 0x73, 0x32, 0x35, 0x36,
-		0x67, 0x63, 0x6d, 0x00,
-	]),
+	get cek_info() {
+		return new Uint8Array([
+			0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x45, 0x6e, 0x63,
+			0x6f, 0x64, 0x69, 0x6e, 0x67, 0x3a, 0x20, 0x61, 0x65, 0x73, 0x32,
+			0x35, 0x36, 0x67, 0x63, 0x6d, 0x00,
+		]);
+	},
 	// The literal `Content-Encoding: nonce\x00`
-	nonce_info: new Uint8Array([
-		0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x45, 0x6e, 0x63, 0x6f,
-		0x64, 0x69, 0x6e, 0x67, 0x3a, 0x20, 0x6e, 0x6f, 0x6e, 0x63, 0x65, 0x00,
-	]),
+	get nonce_info() {
+		return new Uint8Array([
+			0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x45, 0x6e, 0x63,
+			0x6f, 0x64, 0x69, 0x6e, 0x67, 0x3a, 0x20, 0x6e, 0x6f, 0x6e, 0x63,
+			0x65, 0x00,
+		]);
+	},
 	block_size: 16,
 	tag_length: 16,
 	nonce_length: 12,