| <!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 type="text/javascript"> |
| description("Test HKDF deriveBits operation for corner-case length values"); |
| |
| jsTestIsAsync = true; |
| |
| var nonExtractable = false; |
| var rawKey = asciiToUint8Array("jnOw99oOZFLIEPMr"); |
| var info = asciiToUint8Array("jnOw99oO"); |
| var salt = asciiToUint8Array("jnOw99oO"); |
| |
| crypto.subtle.importKey("raw", rawKey, "HKDF", nonExtractable, ["deriveBits"]).then(function(result) { |
| baseKey = result; |
| |
| deriveBits = function(hash, length) { |
| return crypto.subtle.deriveBits({name: "HKDF", info: info, salt: salt, hash: hash}, baseKey, length); |
| }; |
| |
| // For each SHA algorithm and the corresponding HashLen length, we check that: |
| // - deriving with zero length rejects, |
| // - deriving with 8, HashLen * 8 and 255 * HashLen * 8 resolves, |
| // - deriving with 256 * HashLen * 8 rejects. |
| |
| return Promise.resolve().then(function(result) { |
| // SHA-1, hash output length is 20 bytes |
| return shouldReject('deriveBits("sha-1", 0)').then(function(result) { |
| return Promise.all([ |
| deriveBits("sha-1", 8), |
| deriveBits("sha-1", 20 * 8), |
| deriveBits("sha-1", 255 * 20 * 8) |
| ]).then(function(result) { |
| testPassed("Bit derivations for SHA-1 with minimum, maximum and HashLen lengths all passed"); |
| return shouldReject('deriveBits("sha-1", 256 * 20 * 8)'); |
| }); |
| }); |
| }).then(function(result) { |
| // SHA-224, hash output length is 28 bytes |
| return shouldReject('deriveBits("sha-224", 0)').then(function(result) { |
| return Promise.all([ |
| deriveBits("sha-224", 8), |
| deriveBits("sha-224", 28 * 8), |
| deriveBits("sha-224", 255 * 28 * 8) |
| ]).then(function(result) { |
| testPassed("Bit derivations for SHA-224 with minimum, maximum and HashLen lengths all passed"); |
| return shouldReject('deriveBits("sha-224", 256 * 28 * 8)'); |
| }); |
| }); |
| }).then(function(result) { |
| // SHA-256, hash output length is 32 bytes |
| return shouldReject('deriveBits("sha-256", 0)').then(function(result) { |
| return Promise.all([ |
| deriveBits("sha-256", 8), |
| deriveBits("sha-256", 32 * 8), |
| deriveBits("sha-256", 255 * 32 * 8) |
| ]).then(function(result) { |
| testPassed("Bit derivations for SHA-256 with minimum, maximum and HashLen lengths all passed"); |
| return shouldReject('deriveBits("sha-256", 256 * 32 * 8)'); |
| }); |
| }); |
| }).then(function(result) { |
| // SHA-384, hash output length is 48 bytes |
| return shouldReject('deriveBits("sha-384", 0)').then(function(result) { |
| return Promise.all([ |
| deriveBits("sha-384", 8), |
| deriveBits("sha-384", 48 * 8), |
| deriveBits("sha-384", 255 * 48 * 8) |
| ]).then(function(result) { |
| testPassed("Bit derivations for SHA-384 with minimum, maximum and HashLen lengths all passed"); |
| return shouldReject('deriveBits("sha-384", 256 * 48 * 8)'); |
| }); |
| }); |
| }).then(function(result) { |
| // SHA-512, hash output length is 64 bytes |
| return shouldReject('deriveBits("sha-512", 0)').then(function(result) { |
| return Promise.all([ |
| deriveBits("sha-512", 8), |
| deriveBits("sha-512", 64 * 8), |
| deriveBits("sha-512", 255 * 64 * 8) |
| ]).then(function(result) { |
| testPassed("Bit derivations for SHA-512 with minimum, maximum and HashLen lengths all passed"); |
| return shouldReject('deriveBits("sha-512", 256 * 64 * 8)'); |
| }); |
| }); |
| }); |
| }).then(finishJSTest, finishJSTest); |
| |
| </script> |
| |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
