MatthieuLemoine · January 23, 2017 14:36 · Jan 23, 2017
diff --git a/crypto.js b/crypto.js
@@ -0,0 +1,19 @@
+const id         = '__JUNK__';
+// Public key need to be in PKCS8 format
+// ssh-keygen -e -m PKCS8 -f id_rsa.pub > id_rsa.pkcs8
+const publicKey  = fs.readFileSync(path.join(__dirname, 'id_rsa.pkcs8'), { encoding : 'utf8' });
+const privateKey = fs.readFileSync(path.join(__dirname, 'id_rsa'), { encoding : 'utf8' });
+
+// Sign
+const signer = crypto.createSign('RSA-SHA512');
+signer.update(id);
+const signature = signer.sign(privateKey, 'hex');
+
+// ...
+
+// Verify
+const verifier = crypto.createVerify('RSA-SHA512');
+verifier.update(ruid);
+const publicKeyBuf = new Buffer(publicKey, 'utf-8');
+const signatureBuf = new Buffer(signature, 'hex');
+const result       = verifier.verify(publicKeyBuf, signatureBuf);