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| author | Andrew Kelley <andrew@ziglang.org> | 2020-12-18 23:57:46 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-12-18 23:57:46 -0500 |
| commit | 506af7e52e0985b410ea089bf5fa3247ab2377cb (patch) | |
| tree | 2ec26d70f41a1382b736b606ebfa094ace62573e /lib/std/crypto.zig | |
| parent | ce65533985caa9e2da567948e36d7d4ba0185005 (diff) | |
| parent | f416535768fc30195cad6cd481f73fd1e80082aa (diff) | |
| download | zig-506af7e52e0985b410ea089bf5fa3247ab2377cb.tar.gz zig-506af7e52e0985b410ea089bf5fa3247ab2377cb.zip | |
Merge pull request #7482 from ziglang/tlcsprng
std: introduce a thread-local CSPRNG for general use
Diffstat (limited to 'lib/std/crypto.zig')
| -rw-r--r-- | lib/std/crypto.zig | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/std/crypto.zig b/lib/std/crypto.zig index 6eb934473f..e3581cde96 100644 --- a/lib/std/crypto.zig +++ b/lib/std/crypto.zig @@ -134,8 +134,10 @@ pub const nacl = struct { pub const utils = @import("crypto/utils.zig"); +/// This is a thread-local, cryptographically secure pseudo random number generator. +pub const random = &@import("crypto/tlcsprng.zig").interface; + const std = @import("std.zig"); -pub const randomBytes = std.os.getrandom; test "crypto" { inline for (std.meta.declarations(@This())) |decl| { @@ -178,6 +180,13 @@ test "crypto" { _ = @import("crypto/25519/ristretto255.zig"); } +test "CSPRNG" { + const a = random.int(u64); + const b = random.int(u64); + const c = random.int(u64); + std.testing.expect(a ^ b ^ c != 0); +} + test "issue #4532: no index out of bounds" { const types = [_]type{ hash.Md5, |