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use sha2::{Sha256, Digest};
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pub type PassKey = (String, Vec<u8>);
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/// Hashes a text to a 32 bytes long key.
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pub fn create_key(pw: String) -> Vec<u8> {
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let mut hasher = Sha256::default();
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hasher.input(pw);
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let result = hasher.result();
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let key = &result[0..8];
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return key.to_vec();
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}
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/// Maps a list of passwords to keys and returns a vector of pairs
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pub fn map_to_keys(passwords: Vec<String>) -> Vec<PassKey> {
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let mut result: Vec<PassKey> = vec![];
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for pw in passwords.iter() {
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let pw_str = pw.clone();
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result.push((pw_str.clone(), create_key(pw_str)));
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}
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return result;
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}
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/// Creates a sha256 hashsum from the input data
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pub fn sha_checksum(data: Vec<u8>) -> Vec<u8> {
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let mut hasher = Sha256::default();
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hasher.input(data);
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let result = hasher.result();
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return result.to_vec();
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}
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