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return array in crypto.getRandomValues

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This commit is contained in:
Muki Kiboigo
2025-06-24 14:43:17 -07:00
parent 8a005bc5a1
commit d9c26bb77f
1 changed files with 6 additions and 3 deletions
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9
src/browser/crypto/crypto.zig
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@@ -21,12 +21,13 @@ const uuidv4 = @import("../../id.zig").uuidv4;
// https://w3c.github.io/webcrypto/#crypto-interface // https://w3c.github.io/webcrypto/#crypto-interface
pub const Crypto = struct { pub const Crypto = struct {
pub fn _getRandomValues(_: *const Crypto, into: RandomValues) !void { pub fn _getRandomValues(_: *const Crypto, into: RandomValues) !RandomValues {
const buf = into.asBuffer(); const buf = into.asBuffer();
if (buf.len > 65_536) { if (buf.len > 65_536) {
return error.QuotaExceededError; return error.QuotaExceededError;
} }
std.crypto.random.bytes(buf); std.crypto.random.bytes(buf);
return into;
} }
pub fn _randomUUID(_: *const Crypto) [36]u8 { pub fn _randomUUID(_: *const Crypto) [36]u8 {
@@ -69,14 +70,16 @@ test "Browser.Crypto" {
.{ "const a = crypto.randomUUID();", "undefined" }, .{ "const a = crypto.randomUUID();", "undefined" },
.{ "const b = crypto.randomUUID();", "undefined" }, .{ "const b = crypto.randomUUID();", "undefined" },
.{ "a.length;", "36" }, .{ "a.length;", "36" },
.{ "a.length;", "36" }, .{ "b.length;", "36" },
.{ "a == b;", "false" }, .{ "a == b;", "false" },
}, .{}); }, .{});
try runner.testCases(&.{ try runner.testCases(&.{
.{ "try { crypto.getRandomValues(new BigUint64Array(8193)) } catch(e) { e.message == 'QuotaExceededError' }", "true" }, .{ "try { crypto.getRandomValues(new BigUint64Array(8193)) } catch(e) { e.message == 'QuotaExceededError' }", "true" },
.{ "let r1 = new Int32Array(5)", "undefined" }, .{ "let r1 = new Int32Array(5)", "undefined" },
.{ "crypto.getRandomValues(r1)", "undefined" }, .{ "let r2 = crypto.getRandomValues(r1)", "undefined" },
.{ "new Set(r1).size", "5" }, .{ "new Set(r1).size", "5" },
.{ "new Set(r2).size", "5" },
.{ "r1.every((v, i) => v === r2[i])", "true" },
}, .{}); }, .{});
} }