hashes: Make the hash a Vec<u8>, to avoid base64 issues.
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parent
070227ea03
commit
a6b3152add
3 changed files with 27 additions and 20 deletions
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@ -18,7 +18,6 @@ use sha2::{Sha256, Sha512};
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use sha3::{Sha3_256, Sha3_512};
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use blake2::Blake2b;
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use digest::{Digest, VariableOutput};
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use base64;
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#[derive(Debug, Clone)]
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pub struct ECaps2 {
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@ -118,6 +117,12 @@ pub fn compute_disco(disco: &Disco) -> Vec<u8> {
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final_string
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}
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fn get_hash_vec(hash: &[u8]) -> Vec<u8> {
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let mut vec = Vec::with_capacity(hash.len());
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vec.extend_from_slice(hash);
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vec
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}
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pub fn hash_ecaps2(data: &[u8], algo: Algo) -> Result<Hash, String> {
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Ok(Hash {
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hash: match algo {
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@ -125,39 +130,39 @@ pub fn hash_ecaps2(data: &[u8], algo: Algo) -> Result<Hash, String> {
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let mut hasher = Sha256::default();
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hasher.input(data);
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let hash = hasher.result();
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base64::encode(&hash.as_slice())
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get_hash_vec(hash.as_slice())
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},
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Algo::Sha_512 => {
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let mut hasher = Sha512::default();
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hasher.input(data);
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let hash = hasher.result();
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base64::encode(&hash.as_slice())
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get_hash_vec(hash.as_slice())
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},
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Algo::Sha3_256 => {
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let mut hasher = Sha3_256::default();
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hasher.input(data);
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let hash = hasher.result();
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base64::encode(&hash.as_slice())
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get_hash_vec(hash.as_slice())
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},
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Algo::Sha3_512 => {
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let mut hasher = Sha3_512::default();
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hasher.input(data);
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let hash = hasher.result();
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base64::encode(&hash.as_slice())
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get_hash_vec(hash.as_slice())
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},
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Algo::Blake2b_256 => {
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let mut hasher = Blake2b::default();
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hasher.input(data);
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let mut buf: [u8; 32] = [0; 32];
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let hash = hasher.variable_result(&mut buf).unwrap();
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base64::encode(hash)
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get_hash_vec(hash)
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},
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Algo::Blake2b_512 => {
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let mut hasher = Blake2b::default();
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hasher.input(data);
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let mut buf: [u8; 64] = [0; 64];
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let hash = hasher.variable_result(&mut buf).unwrap();
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base64::encode(hash)
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get_hash_vec(hash)
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},
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Algo::Sha_1 => return Err(String::from("Disabled algorithm sha-1: unsafe.")),
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Algo::Unknown(algo) => return Err(format!("Unknown algorithm: {}.", algo)),
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@ -178,9 +183,9 @@ mod tests {
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let ecaps2 = ECaps2::try_from(elem).unwrap();
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assert_eq!(ecaps2.hashes.len(), 2);
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assert_eq!(ecaps2.hashes[0].algo, Algo::Sha_256);
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assert_eq!(ecaps2.hashes[0].hash, "K1Njy3HZBThlo4moOD5gBGhn0U0oK7/CbfLlIUDi6o4=");
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assert_eq!(ecaps2.hashes[0].hash, base64::decode("K1Njy3HZBThlo4moOD5gBGhn0U0oK7/CbfLlIUDi6o4=").unwrap());
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assert_eq!(ecaps2.hashes[1].algo, Algo::Sha3_256);
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assert_eq!(ecaps2.hashes[1].hash, "+sDTQqBmX6iG/X3zjt06fjZMBBqL/723knFIyRf0sg8=");
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assert_eq!(ecaps2.hashes[1].hash, base64::decode("+sDTQqBmX6iG/X3zjt06fjZMBBqL/723knFIyRf0sg8=").unwrap());
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}
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#[test]
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@ -266,9 +271,9 @@ mod tests {
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assert_eq!(ecaps2, expected);
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let sha_256 = ecaps2::hash_ecaps2(&ecaps2, Algo::Sha_256).unwrap();
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assert_eq!(sha_256.hash, "kzBZbkqJ3ADrj7v08reD1qcWUwNGHaidNUgD7nHpiw8=");
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assert_eq!(sha_256.hash, base64::decode("kzBZbkqJ3ADrj7v08reD1qcWUwNGHaidNUgD7nHpiw8=").unwrap());
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let sha3_256 = ecaps2::hash_ecaps2(&ecaps2, Algo::Sha3_256).unwrap();
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assert_eq!(sha3_256.hash, "79mdYAfU9rEdTOcWDO7UEAt6E56SUzk/g6TnqUeuD9Q=");
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assert_eq!(sha3_256.hash, base64::decode("79mdYAfU9rEdTOcWDO7UEAt6E56SUzk/g6TnqUeuD9Q=").unwrap());
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}
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#[test]
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@ -438,9 +443,9 @@ mod tests {
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assert_eq!(ecaps2, expected);
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let sha_256 = ecaps2::hash_ecaps2(&ecaps2, Algo::Sha_256).unwrap();
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assert_eq!(sha_256.hash, "u79ZroNJbdSWhdSp311mddz44oHHPsEBntQ5b1jqBSY=");
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assert_eq!(sha_256.hash, base64::decode("u79ZroNJbdSWhdSp311mddz44oHHPsEBntQ5b1jqBSY=").unwrap());
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let sha3_256 = ecaps2::hash_ecaps2(&ecaps2, Algo::Sha3_256).unwrap();
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assert_eq!(sha3_256.hash, "XpUJzLAc93258sMECZ3FJpebkzuyNXDzRNwQog8eycg=");
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assert_eq!(sha3_256.hash, base64::decode("XpUJzLAc93258sMECZ3FJpebkzuyNXDzRNwQog8eycg=").unwrap());
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}
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#[test]
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@ -452,7 +457,6 @@ mod tests {
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0x7D, 0x87, 0xC5, 0x39, 0x2A, 0xAB, 0x79, 0x2D, 0xC2, 0x52, 0xD5, 0xDE, 0x45, 0x33, 0xCC, 0x95,
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0x18, 0xD3, 0x8A, 0xA8, 0xDB, 0xF1, 0x92, 0x5A, 0xB9, 0x23, 0x86, 0xED, 0xD4, 0x00, 0x99, 0x23,
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);
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let known_hash = base64::encode(&known_hash);
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assert_eq!(hash.hash, known_hash);
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}
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}
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@ -13,6 +13,8 @@ use error::Error;
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use ns;
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use base64;
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#[allow(non_camel_case_types)]
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#[derive(Debug, Clone, PartialEq)]
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pub enum Algo {
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@ -63,7 +65,7 @@ impl IntoAttributeValue for Algo {
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#[derive(Debug, Clone, PartialEq)]
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pub struct Hash {
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pub algo: Algo,
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pub hash: String,
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pub hash: Vec<u8>,
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}
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impl TryFrom<Element> for Hash {
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@ -79,7 +81,7 @@ impl TryFrom<Element> for Hash {
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let algo = get_attr!(elem, "algo", required);
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let hash = match elem.text().as_ref() {
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"" => return Err(Error::ParseError("Hash element shouldn’t be empty.")),
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text => text.to_owned(),
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text => base64::decode(text)?,
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};
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Ok(Hash {
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algo: algo,
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@ -93,7 +95,7 @@ impl Into<Element> for Hash {
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Element::builder("hash")
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.ns(ns::HASHES)
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.attr("algo", self.algo)
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.append(self.hash.clone())
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.append(base64::encode(&self.hash))
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.build()
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}
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}
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@ -107,7 +109,7 @@ mod tests {
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let elem: Element = "<hash xmlns='urn:xmpp:hashes:2' algo='sha-256'>2XarmwTlNxDAMkvymloX3S5+VbylNrJt/l5QyPa+YoU=</hash>".parse().unwrap();
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let hash = Hash::try_from(elem).unwrap();
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assert_eq!(hash.algo, Algo::Sha_256);
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assert_eq!(hash.hash, "2XarmwTlNxDAMkvymloX3S5+VbylNrJt/l5QyPa+YoU=");
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assert_eq!(hash.hash, base64::decode("2XarmwTlNxDAMkvymloX3S5+VbylNrJt/l5QyPa+YoU=").unwrap());
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}
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#[test]
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@ -236,6 +236,7 @@ impl Into<Element> for Description {
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mod tests {
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use super::*;
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use hashes::Algo;
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use base64;
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#[test]
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fn test_description() {
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@ -260,7 +261,7 @@ mod tests {
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assert_eq!(desc.file.size, Some(6144u64));
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assert_eq!(desc.file.range, None);
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assert_eq!(desc.file.hashes[0].algo, Algo::Sha_1);
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assert_eq!(desc.file.hashes[0].hash, "w0mcJylzCn+AfvuGdqkty2+KP48=");
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assert_eq!(desc.file.hashes[0].hash, base64::decode("w0mcJylzCn+AfvuGdqkty2+KP48=").unwrap());
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}
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#[test]
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@ -282,6 +283,6 @@ mod tests {
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assert_eq!(desc.file.size, None);
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assert_eq!(desc.file.range, None);
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assert_eq!(desc.file.hashes[0].algo, Algo::Sha_1);
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assert_eq!(desc.file.hashes[0].hash, "w0mcJylzCn+AfvuGdqkty2+KP48=");
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assert_eq!(desc.file.hashes[0].hash, base64::decode("w0mcJylzCn+AfvuGdqkty2+KP48=").unwrap());
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}
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}
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