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v/vlib/crypto/rand/rand_mac.v

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2019-07-31 04:24:12 +03:00
// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
module rand
#flag darwin -framework Security
// import const (
// kSecRandomDefault
// errSecSuccess
// )
const (
kSecRandomDefault = 0
errSecSuccess = 0
)
pub fn read(bytes_needed int) ?[]byte {
mut buffer := malloc(bytes_needed)
status := C.SecRandomCopyBytes(kSecRandomDefault, bytes_needed, buffer)
if status != errSecSuccess {
return ReadError
}
return c_array_to_bytes_tmp(bytes_needed, buffer)
}