fix(ext/node): ECDH.publicKey() point encoding (#23013)

1 files changed, 13 insertions, 0 deletions

diff --git a/tests/unit_node/crypto/crypto_key_test.ts b/tests/unit_node/crypto/crypto_key_test.ts
index de941da88..ef154fc35 100644
--- a/tests/unit_node/crypto/crypto_key_test.ts
+++ b/tests/unit_node/crypto/crypto_key_test.ts
@@ -341,3 +341,16 @@ Deno.test("ECDH generateKeys compressed", function () {
   const uncompressedKey = ecdh.generateKeys("binary");
   assertEquals(uncompressedKey.length, 65);
 });
+
+Deno.test("ECDH getPublicKey compressed", function () {
+  const ecdh = createECDH("secp256k1");
+  for (const format of ["compressed", "uncompressed"] as const) {
+    ecdh.generateKeys("binary", format);
+
+    const compressedKey = ecdh.getPublicKey("binary", "compressed");
+    assertEquals(compressedKey.length, 33);
+
+    const uncompressedKey = ecdh.getPublicKey("binary");
+    assertEquals(uncompressedKey.length, 65);
+  }
+});