22 lines
630 B
V
22 lines
630 B
V
// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module rand
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#include <Security/SecRandom.h>
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#flag darwin -framework Security
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fn C.SecRandomCopyBytes(rnd C.SecRandomRef, count size_t, bytes voidptr) int
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// read returns an array of `bytes_needed` random bytes read from the OS.
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pub fn read(bytes_needed int) ?[]byte {
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mut buffer := []byte{len: bytes_needed}
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status := C.SecRandomCopyBytes(C.SecRandomRef(0), bytes_needed, buffer.data)
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if status != 0 {
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return IError(&ReadError{})
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}
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return buffer
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}
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