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24 lines
628 B
Rust
24 lines
628 B
Rust
use sd_crypto::{erase::erase_sync, rng::CryptoRng};
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use std::io::{Seek, Write};
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use tempfile::tempfile;
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fn main() {
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let mut file = tempfile().unwrap();
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let mut rng = CryptoRng::new().unwrap();
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let data = rng.generate_vec(1048576 * 16);
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file.write_all(&data).unwrap();
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file.rewind().unwrap();
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// Erase the file (the size would normally be obtained via `fs::Metadata::len()` or similar)
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erase_sync(&mut file, 1048576 * 16, 2).unwrap();
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// Truncate the file to a length of zero
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file.set_len(0).unwrap();
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// Normally you would call `fs::remove_file()` here, however `tempfile` doesn't let us do that
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drop(file);
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}
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