diff options
| -rw-r--r-- | core/crypto/rand_generic.odin | 2 | ||||
| -rw-r--r-- | core/crypto/rand_windows.odin | 23 |
2 files changed, 24 insertions, 1 deletions
diff --git a/core/crypto/rand_generic.odin b/core/crypto/rand_generic.odin index 10edc1c8a..52abfe4d7 100644 --- a/core/crypto/rand_generic.odin +++ b/core/crypto/rand_generic.odin @@ -1,6 +1,6 @@ package crypto -when ODIN_OS != .Linux && ODIN_OS != .OpenBSD { +when ODIN_OS != .Linux && ODIN_OS != .OpenBSD && ODIN_OS != .Windows { _rand_bytes :: proc (dst: []byte) { unimplemented("crypto: rand_bytes not supported on this OS") } diff --git a/core/crypto/rand_windows.odin b/core/crypto/rand_windows.odin new file mode 100644 index 000000000..53b58c776 --- /dev/null +++ b/core/crypto/rand_windows.odin @@ -0,0 +1,23 @@ +package crypto + +import win32 "core:sys/windows" +import "core:os" +import "core:fmt" + +_rand_bytes :: proc(dst: []byte) { + ret := (os.Errno)(win32.BCryptGenRandom(nil, raw_data(dst), u32(len(dst)), win32.BCRYPT_USE_SYSTEM_PREFERRED_RNG)) + if ret != os.ERROR_NONE { + switch ret { + case os.ERROR_INVALID_HANDLE: + // The handle to the first parameter is invalid. + // This should not happen here, since we explicitly pass nil to it + panic("crypto: BCryptGenRandom Invalid handle for hAlgorithm") + case os.ERROR_INVALID_PARAMETER: + // One of the parameters was invalid + panic("crypto: BCryptGenRandom Invalid parameter") + case: + // Unknown error + panic(fmt.tprintf("crypto: BCryptGenRandom failed: %d\n", ret)) + } + } +} |