| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| <script src="../resources/common.js"></script> |
| </head> |
| <body> |
| <p id="description"></p> |
| <div id="console"></div> |
| |
| <script> |
| description("Test ECDH deriveBits operation for corner-case length values."); |
| |
| jsTestIsAsync = true; |
| |
| var extractable = true; |
| var jwkPrivateKeyP256 = { |
| kty: "EC", |
| crv: "P-256", |
| x: "FwdrcvxdtrNOUpB62zEcz1-3QfjsCa1zruXCLbO_FPw", |
| y: "CCInS0rHpEVdk24HtBqZxNhKojYcD7orq2AA7Wp2NhA", |
| d: "0hdPU8a1XmA_EVSflLVW4BqiMqtn5hreJN18h4dFRb8", |
| }; |
| var jwkPublicKeyP256 = { |
| kty: "EC", |
| crv: "P-256", |
| x: "FwdrcvxdtrNOUpB62zEcz1-3QfjsCa1zruXCLbO_FPw", |
| y: "CCInS0rHpEVdk24HtBqZxNhKojYcD7orq2AA7Wp2NhA" |
| }; |
| var jwkPrivateKeyP384 = { |
| kty: "EC", |
| crv: "P-384", |
| x: "H9zo2G4WwHFSUqdN7jaChKg5fdmBxRLMP-_xWbcGDd4GzQBZBS72qKU_W-NLMoh_", |
| y: "-VBlr88R42IGLDBvzFeUvH1cjPOlIxWgnfa6NzhKcYZQXFi9vFq4sdJX5cQfnc6H", |
| d: "U8zJ5-tgWY2iAPf_2fML48SXrekRUO7rjOphRiCt450-mEIqJ0j5pCyKCtJsd-M4", |
| }; |
| var jwkPublicKeyP384 = { |
| kty: "EC", |
| crv: "P-384", |
| x: "H9zo2G4WwHFSUqdN7jaChKg5fdmBxRLMP-_xWbcGDd4GzQBZBS72qKU_W-NLMoh_", |
| y: "-VBlr88R42IGLDBvzFeUvH1cjPOlIxWgnfa6NzhKcYZQXFi9vFq4sdJX5cQfnc6H", |
| }; |
| var jwkPrivateKeyP521 = { |
| kty: "EC", |
| crv: "P-521", |
| x: "AS3DmGl2O2u7YZbWpvIs7ab1tbAeQ_8PiYeB5Z7wgUulyVu4UHx15WU2SSKfqYvA8acaeiyK9zJ8gmXLZaKtwbFT", |
| y: "AEZSN9F_AQY_2Hk_DJhoVStuno4av3HkVaNcBAfPj-oodz9vcNSnxHfvO2C6NqszPnrJArY-xXmHfNDAYm7PARcR", |
| d: "AW4mYMpythEq-e7zcVH4c_kEV5q2Qnlg854I9rKTkudG_35NqHixOh8Y1GhMsXzHhlpa-QMPo34Zd5OcT9XkTB-s", |
| }; |
| var jwkPublicKeyP521 = { |
| kty: "EC", |
| crv: "P-521", |
| x: "AS3DmGl2O2u7YZbWpvIs7ab1tbAeQ_8PiYeB5Z7wgUulyVu4UHx15WU2SSKfqYvA8acaeiyK9zJ8gmXLZaKtwbFT", |
| y: "AEZSN9F_AQY_2Hk_DJhoVStuno4av3HkVaNcBAfPj-oodz9vcNSnxHfvO2C6NqszPnrJArY-xXmHfNDAYm7PARcR", |
| }; |
| |
| var P256 = { curveName: "P-256" }; |
| var P384 = { curveName: "P-384" }; |
| var P521 = { curveName: "P-521" }; |
| |
| crypto.subtle.importKey("jwk", jwkPrivateKeyP256, { name: "ECDH", namedCurve: "P-256" }, extractable, ["deriveBits"]).then(function(result) { |
| P256.privateKey = result; |
| return crypto.subtle.importKey("jwk", jwkPublicKeyP256, { name: "ECDH", namedCurve: "P-256" }, extractable, [ ]); |
| }).then(function(result) { |
| P256.publicKey = result; |
| return crypto.subtle.importKey("jwk", jwkPrivateKeyP384, { name: "ECDH", namedCurve: "P-384" }, extractable, ["deriveBits"]); |
| }).then(function(result) { |
| P384.privateKey = result; |
| return crypto.subtle.importKey("jwk", jwkPublicKeyP384, { name: "ECDH", namedCurve: "P-384" }, extractable, [ ]); |
| }).then(function(result) { |
| P384.publicKey = result; |
| |
| deriveBits = function(keyData, length, expectedLength) { |
| return crypto.subtle.deriveBits({ name: "ecdh", public: keyData.publicKey }, keyData.privateKey, length).then(function(result) { |
| if (result.byteLength * 8 != expectedLength) |
| return Promise.reject(); |
| |
| testPassed("deriveBits(..., " + length + ") successfully derived " + expectedLength + " bits for a " + keyData.curveName + " curve"); |
| return Promise.resolve(); |
| }); |
| }; |
| |
| // For each of the supported curves, we check that |
| |
| return Promise.resolve().then(function(result) { |
| // P-256 |
| return Promise.all([ |
| deriveBits(P256, 0, 256), |
| deriveBits(P256, 8, 8), |
| deriveBits(P256, 256, 256), |
| ]).then(function(result) { |
| testPassed("Bit derivations for EC P-256 with minimum and maximum lengths succeeded"); |
| return shouldReject('deriveBits(P256, 256 + 8)'); |
| }); |
| }).then(function(result) { |
| // P-384 |
| return Promise.all([ |
| deriveBits(P384, 0, 384), |
| deriveBits(P384, 8, 8), |
| deriveBits(P384, 384, 384), |
| ]).then(function(result) { |
| testPassed("Bit derivations for EC P-384 with minimum and maximum lengths succeeded"); |
| return shouldReject('deriveBits(P384, 384 + 8)'); |
| }); |
| }).then(function(result) { |
| return crypto.subtle.importKey("jwk", jwkPrivateKeyP521, { name: "ECDH", namedCurve: "P-521" }, extractable, ["deriveBits"]).then(function(result) { |
| P521.privateKey = result; |
| return crypto.subtle.importKey("jwk", jwkPublicKeyP521, { name: "ECDH", namedCurve: "P-521" }, extractable, [ ]); |
| }).then(function(result) { |
| P521.publicKey = result; |
| |
| // P-521 |
| return Promise.all([ |
| deriveBits(P521, 0, 528), |
| deriveBits(P521, 8, 8), |
| deriveBits(P521, 528, 528), |
| ]).then(function(result) { |
| testPassed("Bit derivations for EC P-521 with minimum and maximum lengths succeeded"); |
| return shouldReject('deriveBits(P521, 528 + 8)'); |
| }); |
| }, function(result) { |
| debug("Bit derivations for EC P-521 skipped, likely due to missing P-521 supprot."); |
| }); |
| }); |
| }).then(finishJSTest, finishJSTest); |
| |
| </script> |
| |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
