1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
use deno_core::error::AnyError;use deno_core::op;use deno_core::ZeroCopyBuf;use elliptic_curve::pkcs8::PrivateKeyInfo;use rand::rngs::OsRng;use rand::RngCore;use ring::signature::Ed25519KeyPair;use ring::signature::KeyPair;use spki::der::Decode;use spki::der::Encode;
#[op(fast)]pub fn op_generate_ed25519_keypair(pkey: &mut [u8], pubkey: &mut [u8]) -> bool {  let mut rng = OsRng;  rng.fill_bytes(pkey);
  let pair = match Ed25519KeyPair::from_seed_unchecked(pkey) {    Ok(p) => p,    Err(_) => return false,  };  pubkey.copy_from_slice(pair.public_key().as_ref());  true}
#[op(fast)]pub fn op_sign_ed25519(key: &[u8], data: &[u8], signature: &mut [u8]) -> bool {  let pair = match Ed25519KeyPair::from_seed_unchecked(key) {    Ok(p) => p,    Err(_) => return false,  };  signature.copy_from_slice(pair.sign(data).as_ref());  true}
#[op(fast)]pub fn op_verify_ed25519(pubkey: &[u8], data: &[u8], signature: &[u8]) -> bool {  ring::signature::UnparsedPublicKey::new(&ring::signature::ED25519, pubkey)    .verify(data, signature)    .is_ok()}
// id-Ed25519 OBJECT IDENTIFIER ::= { 1 3 101 112 }pub const ED25519_OID: const_oid::ObjectIdentifier =  const_oid::ObjectIdentifier::new_unwrap("1.3.101.112");
#[op(fast)]pub fn op_import_spki_ed25519(key_data: &[u8], out: &mut [u8]) -> bool {  // 2-3.  let pk_info = match spki::SubjectPublicKeyInfo::from_der(key_data) {    Ok(pk_info) => pk_info,    Err(_) => return false,  };  // 4.  let alg = pk_info.algorithm.oid;  if alg != ED25519_OID {    return false;  }  // 5.  if pk_info.algorithm.parameters.is_some() {    return false;  }  out.copy_from_slice(pk_info.subject_public_key);  true}
#[op(fast)]pub fn op_import_pkcs8_ed25519(key_data: &[u8], out: &mut [u8]) -> bool {  // 2-3.  // This should probably use OneAsymmetricKey instead  let pk_info = match PrivateKeyInfo::from_der(key_data) {    Ok(pk_info) => pk_info,    Err(_) => return false,  };  // 4.  let alg = pk_info.algorithm.oid;  if alg != ED25519_OID {    return false;  }  // 5.  if pk_info.algorithm.parameters.is_some() {    return false;  }  // 6.  // CurvePrivateKey ::= OCTET STRING  if pk_info.private_key.len() != 34 {    return false;  }  out.copy_from_slice(&pk_info.private_key[2..]);  true}
#[op]pub fn op_export_spki_ed25519(pubkey: &[u8]) -> Result<ZeroCopyBuf, AnyError> {  let key_info = spki::SubjectPublicKeyInfo {    algorithm: spki::AlgorithmIdentifier {      // id-Ed25519      oid: ED25519_OID,      parameters: None,    },    subject_public_key: pubkey,  };  Ok(key_info.to_vec()?.into())}
#[op]pub fn op_export_pkcs8_ed25519(pkey: &[u8]) -> Result<ZeroCopyBuf, AnyError> {  // This should probably use OneAsymmetricKey instead  let pk_info = rsa::pkcs8::PrivateKeyInfo {    public_key: None,    algorithm: rsa::pkcs8::AlgorithmIdentifier {      // id-Ed25519      oid: ED25519_OID,      parameters: None,    },    private_key: pkey, // OCTET STRING  };
  Ok(pk_info.to_vec()?.into())}
// 'x' from Section 2 of RFC 8037// https://www.rfc-editor.org/rfc/rfc8037#section-2#[op]pub fn op_jwk_x_ed25519(pkey: &[u8]) -> Result<String, AnyError> {  let pair = Ed25519KeyPair::from_seed_unchecked(pkey)?;  Ok(base64::encode_config(    pair.public_key().as_ref(),    base64::URL_SAFE_NO_PAD,  ))}