cose-to-jwk
Version:
COSE (RFC 8152) to JWK (RFC 7517) converter for node.js. Created for WebAuthn.
298 lines (245 loc) • 11.8 kB
JavaScript
;
const coseToJwk = require("../cose-to-jwk");
const algToStr = coseToJwk.algToStr;
const algToHashStr = coseToJwk.algToHashStr;
const assert = require("chai").assert;
const coseArray = [
0xA5, 0x01, 0x02, 0x03, 0x26, 0x20, 0x01, 0x21, 0x58, 0x20, 0xBB, 0x11, 0xCD, 0xDD, 0x6E, 0x9E,
0x86, 0x9D, 0x15, 0x59, 0x72, 0x9A, 0x30, 0xD8, 0x9E, 0xD4, 0x9F, 0x36, 0x31, 0x52, 0x42, 0x15,
0x96, 0x12, 0x71, 0xAB, 0xBB, 0xE2, 0x8D, 0x7B, 0x73, 0x1F, 0x22, 0x58, 0x20, 0xDB, 0xD6, 0x39,
0x13, 0x2E, 0x2E, 0xE5, 0x61, 0x96, 0x5B, 0x83, 0x05, 0x30, 0xA6, 0xA0, 0x24, 0xF1, 0x09, 0x88,
0x88, 0xF3, 0x13, 0x55, 0x05, 0x15, 0x92, 0x11, 0x84, 0xC8, 0x6A, 0xCA, 0xC3
];
const xArray = [
0xbb, 0x11, 0xcd, 0xdd, 0x6e, 0x9e, 0x86, 0x9d, 0x15, 0x59, 0x72, 0x9a, 0x30, 0xd8, 0x9e, 0xd4,
0x9f, 0x36, 0x31, 0x52, 0x42, 0x15, 0x96, 0x12, 0x71, 0xab, 0xbb, 0xe2, 0x8d, 0x7b, 0x73, 0x1f
];
const yArray = [
0xdb, 0xd6, 0x39, 0x13, 0x2e, 0x2e, 0xe5, 0x61, 0x96, 0x5b, 0x83, 0x05, 0x30, 0xa6, 0xa0, 0x24,
0xf1, 0x09, 0x88, 0x88, 0xf3, 0x13, 0x55, 0x05, 0x15, 0x92, 0x11, 0x84, 0xc8, 0x6a, 0xca, 0xc3
];
const coseArray2 = [
0xA5, 0x01, 0x02, 0x03, 0x26, 0x20, 0x01, 0x21, 0x58, 0x20, 0x4A, 0x7F, 0xC2, 0xCB, 0xB2, 0xB6,
0xE0, 0x3B, 0x5B, 0x17, 0x0C, 0x85, 0x66, 0x3E, 0xFB, 0x92, 0x3D, 0x08, 0xBC, 0x17, 0xAA, 0x92,
0x61, 0x48, 0x3D, 0xDB, 0x4A, 0xEA, 0x03, 0x8E, 0x66, 0x5C, 0x22, 0x58, 0x20, 0xE6, 0xE9, 0x0D,
0xA0, 0x5A, 0xD4, 0xEA, 0xD5, 0x56, 0xD8, 0x75, 0xA4, 0x8C, 0xB2, 0x46, 0xB1, 0xE6, 0x2D, 0x10,
0x5F, 0x17, 0x35, 0x94, 0x3B, 0xA4, 0x94, 0x0E, 0xFD, 0xFD, 0xD5, 0x5D, 0x4B,
];
const xArray2 = [
0x4A, 0x7F, 0xC2, 0xCB, 0xB2, 0xB6, 0xE0, 0x3B, 0x5B, 0x17, 0x0C, 0x85, 0x66, 0x3E, 0xFB, 0x92,
0x3D, 0x08, 0xBC, 0x17, 0xAA, 0x92, 0x61, 0x48, 0x3D, 0xDB, 0x4A, 0xEA, 0x03, 0x8E, 0x66, 0x5C
];
const x2base64 = "Sn/Cy7K24DtbFwyFZj77kj0IvBeqkmFIPdtK6gOOZlw=";
const yArray2 = [
0xE6, 0xE9, 0x0D, 0xA0, 0x5A, 0xD4, 0xEA, 0xD5, 0x56, 0xD8, 0x75, 0xA4, 0x8C, 0xB2, 0x46, 0xB1,
0xE6, 0x2D, 0x10, 0x5F, 0x17, 0x35, 0x94, 0x3B, 0xA4, 0x94, 0x0E, 0xFD, 0xFD, 0xD5, 0x5D, 0x4B
];
const y2base64 = "5ukNoFrU6tVW2HWkjLJGseYtEF8XNZQ7pJQO/f3VXUs=";
const expectedX = Buffer.from(xArray);
const expectedY = Buffer.from(yArray);
const coseBuffer = Buffer.from(coseArray);
const coseUint8Array = new Uint8Array(coseBuffer);
const coseUint16Array = new Uint16Array(coseBuffer);
const coseArrayBuffer = coseUint8Array.buffer;
function bufComp(a, b) {
var len = a.length;
if (len !== b.length) {
return false;
}
for (var i = 0; i < len; i++) {
if (a.readUInt8(i) !== b.readUInt8(i)) {
return false;
}
}
return true;
}
describe("cose-to-jwk", function() {
it("error checking");
it("can convert ArrayBuffer", function() {
var ret = coseToJwk(coseArrayBuffer);
assert.instanceOf(ret, Object);
assert.strictEqual(ret.kty, "EC");
assert.strictEqual(ret.crv, "P-256");
assert.strictEqual(ret.x, "uxHN3W6ehp0VWXKaMNie1J82MVJCFZYScau74o17cx8=");
assert.strictEqual(ret.y, "29Y5Ey4u5WGWW4MFMKagJPEJiIjzE1UFFZIRhMhqysM=");
});
it("can convert Uint8Array", function() {
var ret = coseToJwk(coseUint8Array);
assert.instanceOf(ret, Object);
assert.strictEqual(ret.kty, "EC");
assert.strictEqual(ret.crv, "P-256");
assert.strictEqual(ret.x, "uxHN3W6ehp0VWXKaMNie1J82MVJCFZYScau74o17cx8=");
assert.strictEqual(ret.y, "29Y5Ey4u5WGWW4MFMKagJPEJiIjzE1UFFZIRhMhqysM=");
});
it.skip("can convert Uint16Array", function() {
var ret = coseToJwk(coseUint16Array);
assert.instanceOf(ret, Object);
assert.strictEqual(ret.kty, "EC");
assert.strictEqual(ret.crv, "P-256");
assert.strictEqual(ret.x, "uxHN3W6ehp0VWXKaMNie1J82MVJCFZYScau74o17cx8=");
assert.strictEqual(ret.y, "29Y5Ey4u5WGWW4MFMKagJPEJiIjzE1UFFZIRhMhqysM=");
});
it("can convert Array", function() {
var ret = coseToJwk(coseArray);
assert.instanceOf(ret, Object);
assert.strictEqual(ret.kty, "EC");
assert.strictEqual(ret.crv, "P-256");
assert.strictEqual(ret.x, "uxHN3W6ehp0VWXKaMNie1J82MVJCFZYScau74o17cx8=");
assert.strictEqual(ret.y, "29Y5Ey4u5WGWW4MFMKagJPEJiIjzE1UFFZIRhMhqysM=");
});
it("ECDSA", function() {
var ret = coseToJwk(coseBuffer);
assert.instanceOf(ret, Object);
assert.strictEqual(ret.kty, "EC");
assert.strictEqual(ret.crv, "P-256");
assert.strictEqual(ret.x, "uxHN3W6ehp0VWXKaMNie1J82MVJCFZYScau74o17cx8=");
assert.strictEqual(ret.y, "29Y5Ey4u5WGWW4MFMKagJPEJiIjzE1UFFZIRhMhqysM=");
var x = Buffer.from(ret.x, "base64");
var y = Buffer.from(ret.y, "base64");
assert(bufComp(x, expectedX), "ECDSA x bytes are correct");
assert(bufComp(y, expectedY), "ECDSA y bytes are correct");
});
it("can convert Array2", function() {
var ret = coseToJwk(coseArray2);
assert.instanceOf(ret, Object);
assert.strictEqual(ret.kty, "EC");
assert.strictEqual(ret.crv, "P-256");
assert.strictEqual(ret.x, x2base64);
assert.strictEqual(ret.y, y2base64);
var x = Buffer.from(ret.x, "base64");
var y = Buffer.from(ret.y, "base64");
const expectedX2 = Buffer.from(xArray2);
const expectedY2 = Buffer.from(yArray2);
assert(bufComp(x, expectedX2), "ECDSA x bytes are correct");
assert(bufComp(y, expectedY2), "ECDSA y bytes are correct");
});
it("can convert RSASSA PKCS1 w/ SHA256", function() {
var rsaSsaPkcs1 = new Uint8Array([
0xA4, 0x01, 0x03, 0x03, 0x39, 0x01, 0x00, 0x20, 0x59, 0x01, 0x00, 0xC5, 0xDA, 0x6F, 0x4D, 0x93,
0x57, 0xBD, 0xE2, 0x02, 0xF5, 0xC5, 0x58, 0xCD, 0x0A, 0x31, 0x56, 0xD2, 0x54, 0xF2, 0xE0, 0xAD,
0x9A, 0xB5, 0x79, 0x31, 0xF9, 0x82, 0x6B, 0x74, 0x7D, 0xE1, 0xAC, 0x4F, 0x29, 0xD6, 0x07, 0x08,
0x74, 0xDC, 0xE5, 0x79, 0x10, 0xE1, 0x98, 0x44, 0x49, 0x9D, 0x8E, 0x42, 0x47, 0x03, 0x39, 0xB1,
0x70, 0xD0, 0x22, 0xB5, 0x01, 0xAB, 0x88, 0xE9, 0xC2, 0xF4, 0xED, 0x30, 0x2E, 0x47, 0x19, 0xC7,
0x0D, 0xEB, 0xE8, 0x84, 0x24, 0x03, 0xED, 0x9B, 0xDF, 0xC2, 0x27, 0x30, 0xA6, 0x1A, 0x1B, 0x70,
0xF6, 0x16, 0xC5, 0xF1, 0xB7, 0x00, 0xCA, 0xCF, 0x78, 0x46, 0x13, 0x7D, 0xC4, 0xB2, 0xD4, 0x69,
0xA8, 0xE1, 0x5A, 0xAB, 0x4F, 0xAD, 0x86, 0x57, 0x08, 0x40, 0x22, 0xD2, 0x8F, 0x44, 0xD9, 0x07,
0x53, 0x23, 0x12, 0x6B, 0x70, 0x07, 0xC9, 0x81, 0x93, 0x9F, 0xDF, 0x72, 0x4C, 0xAF, 0x4F, 0xBE,
0x47, 0x50, 0x40, 0x43, 0x1A, 0x4E, 0xA0, 0x64, 0x43, 0x0B, 0xCB, 0x2C, 0xFA, 0xD7, 0xD0, 0x5B,
0xDB, 0x9F, 0x64, 0xB5, 0xB0, 0xE0, 0x95, 0x2E, 0xCF, 0x86, 0x79, 0x27, 0x3D, 0x6C, 0x6D, 0xFA,
0x81, 0x60, 0x1F, 0x14, 0x50, 0x33, 0x16, 0xA1, 0x3D, 0x07, 0x82, 0xC3, 0x1A, 0x3E, 0x6B, 0xDD,
0xED, 0x3D, 0x7B, 0xC4, 0x6B, 0xC1, 0xFA, 0x9B, 0xEF, 0x0D, 0xFF, 0x83, 0xB7, 0xDE, 0xAF, 0x14,
0x6B, 0x58, 0x2C, 0x46, 0x44, 0x82, 0x1A, 0x3C, 0x62, 0xED, 0xBA, 0xA6, 0xBE, 0x42, 0x2B, 0xF0,
0x4E, 0x43, 0xED, 0xAF, 0x5F, 0xD3, 0x78, 0x30, 0x86, 0x15, 0x3D, 0x73, 0x61, 0xA2, 0x03, 0x06,
0x1A, 0x62, 0x98, 0xAB, 0x26, 0xE1, 0x33, 0x7C, 0xA1, 0xC9, 0xED, 0x06, 0x74, 0x1A, 0x59, 0x05,
0x47, 0x79, 0x88, 0xE7, 0x20, 0x30, 0x4E, 0xAE, 0x18, 0x9D, 0x7F, 0x21, 0x43, 0x01, 0x00, 0x01,
]).buffer;
var ret = coseToJwk(rsaSsaPkcs1);
assert.instanceOf(ret, Object);
assert.strictEqual(ret.kty, "RSA");
assert.strictEqual(ret.alg, "RSASSA-PKCS1-v1_5_w_SHA256");
assert.strictEqual(ret.n, "xdpvTZNXveIC9cVYzQoxVtJU8uCtmrV5MfmCa3R94axPKdYHCHTc5XkQ4ZhESZ2OQkcDObFw0CK1AauI6cL07TAuRxnHDevohCQD7ZvfwicwphobcPYWxfG3AMrPeEYTfcSy1Gmo4VqrT62GVwhAItKPRNkHUyMSa3AHyYGTn99yTK9PvkdQQEMaTqBkQwvLLPrX0Fvbn2S1sOCVLs+GeSc9bG36gWAfFFAzFqE9B4LDGj5r3e09e8Rrwfqb7w3/g7ferxRrWCxGRIIaPGLtuqa+QivwTkPtr1/TeDCGFT1zYaIDBhpimKsm4TN8ocntBnQaWQVHeYjnIDBOrhidfw==");
assert.strictEqual(ret.e, "AQAB");
});
});
describe("algToStr", function() {
it("error checking");
it("ECDSA_w_SHA256", function() {
var ret = algToStr(-7);
assert.strictEqual(ret, "ECDSA_w_SHA256");
});
it("EdDSA", function() {
var ret = algToStr(-8);
assert.strictEqual(ret, "EdDSA");
});
it("ECDSA_w_SHA384", function() {
var ret = algToStr(-35);
assert.strictEqual(ret, "ECDSA_w_SHA384");
});
it("ECDSA_w_SHA512", function() {
var ret = algToStr(-36);
assert.strictEqual(ret, "ECDSA_w_SHA512");
});
it("RSASSA-PKCS1-v1_5_w_SHA256", function() {
var ret = algToStr(-257);
assert.strictEqual(ret, "RSASSA-PKCS1-v1_5_w_SHA256");
});
it("RSASSA-PKCS1-v1_5_w_SHA384", function() {
var ret = algToStr(-258);
assert.strictEqual(ret, "RSASSA-PKCS1-v1_5_w_SHA384");
});
it("RSASSA-PKCS1-v1_5_w_SHA512", function() {
var ret = algToStr(-259);
assert.strictEqual(ret, "RSASSA-PKCS1-v1_5_w_SHA512");
});
it("RSASSA-PKCS1-v1_5_w_SHA1", function() {
var ret = algToStr(-65535);
assert.strictEqual(ret, "RSASSA-PKCS1-v1_5_w_SHA1");
});
});
describe("algToHashStr", function() {
it("error checking");
it("ECDSA_w_SHA256", function() {
var ret = algToHashStr("ECDSA_w_SHA256");
assert.strictEqual(ret, "SHA256");
});
it("ECDSA_w_SHA256 (-7)", function() {
var ret = algToHashStr(-7);
assert.strictEqual(ret, "SHA256");
});
it.skip("EdDSA", function() {
var ret = algToHashStr(-8);
assert.strictEqual(ret, "EdDSA");
});
it.skip("EdDSA (-8)", function() {
var ret = algToHashStr(-8);
assert.strictEqual(ret, "EdDSA");
});
it("ECDSA_w_SHA384", function() {
var ret = algToHashStr("ECDSA_w_SHA384");
assert.strictEqual(ret, "SHA384");
});
it("ECDSA_w_SHA384 (-35)", function() {
var ret = algToHashStr(-35);
assert.strictEqual(ret, "SHA384");
});
it("ECDSA_w_SHA512", function() {
var ret = algToHashStr("ECDSA_w_SHA512");
assert.strictEqual(ret, "SHA512");
});
it("ECDSA_w_SHA512 (-36)", function() {
var ret = algToHashStr(-36);
assert.strictEqual(ret, "SHA512");
});
it("RSASSA-PKCS1-v1_5_w_SHA256", function() {
var ret = algToHashStr("RSASSA-PKCS1-v1_5_w_SHA256");
assert.strictEqual(ret, "SHA256");
});
it("RSASSA-PKCS1-v1_5_w_SHA256 (-257)", function() {
var ret = algToHashStr(-257);
assert.strictEqual(ret, "SHA256");
});
it("RSASSA-PKCS1-v1_5_w_SHA384", function() {
var ret = algToHashStr("RSASSA-PKCS1-v1_5_w_SHA384");
assert.strictEqual(ret, "SHA384");
});
it("RSASSA-PKCS1-v1_5_w_SHA384 (-258)", function() {
var ret = algToHashStr(-258);
assert.strictEqual(ret, "SHA384");
});
it("RSASSA-PKCS1-v1_5_w_SHA512", function() {
var ret = algToHashStr("RSASSA-PKCS1-v1_5_w_SHA512");
assert.strictEqual(ret, "SHA512");
});
it("RSASSA-PKCS1-v1_5_w_SHA512 (-259)", function() {
var ret = algToHashStr(-259);
assert.strictEqual(ret, "SHA512");
});
it("RSASSA-PKCS1-v1_5_w_SHA1", function() {
var ret = algToHashStr("RSASSA-PKCS1-v1_5_w_SHA1");
assert.strictEqual(ret, "SHA1");
});
it("RSASSA-PKCS1-v1_5_w_SHA1 (-65535)", function() {
var ret = algToHashStr(-65535);
assert.strictEqual(ret, "SHA1");
});
});