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chore: update generate_ssh_string

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Hatter Jiang
2022-04-30 19:40:50 +08:00
parent a95fdb5d09
commit 07ff1d8187
1 changed files with 8 additions and 9 deletions
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17
src/sshutil.rs
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@@ -7,14 +7,13 @@ pub fn with_sign(mut vec: Vec<u8>) -> Vec<u8> {
pub fn generate_ssh_string(e: &[u8], n: &[u8], comment: &str) -> String {
let mut ssh_key = vec![];
let ssh_rsa_bytes = "ssh-rsa".as_bytes();
ssh_key.extend_from_slice(&(ssh_rsa_bytes.len() as u32).to_be_bytes()[..]);
ssh_key.extend_from_slice(ssh_rsa_bytes);
let e = with_sign(e.to_vec());
ssh_key.extend_from_slice(&(e.len() as u32).to_be_bytes()[..]);
ssh_key.extend_from_slice(&e);
let n = with_sign(n.to_vec());
ssh_key.extend_from_slice(&(n.len() as u32).to_be_bytes()[..]);
ssh_key.extend_from_slice(&n);
append_slice_with_len(&mut ssh_key, "ssh-rsa".as_bytes());
append_slice_with_len(&mut ssh_key, &with_sign(e.to_vec()));
append_slice_with_len(&mut ssh_key, &with_sign(n.to_vec()));
format!("ssh-rsa {} {}", base64::encode(&ssh_key), comment)
}
pub fn append_slice_with_len(v: &mut Vec<u8>, s: &[u8]) {
v.extend_from_slice(&(s.len() as u32).to_be_bytes()[..]);
v.extend_from_slice(s);
}