logo
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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178

//! Traits for parsing objects from PKCS#1 encoded documents

use crate::{Result, RsaPrivateKey, RsaPublicKey};
use core::convert::TryFrom;

#[cfg(feature = "alloc")]
use crate::{RsaPrivateKeyDocument, RsaPublicKeyDocument};

#[cfg(feature = "pem")]
use {crate::LineEnding, alloc::string::String};

#[cfg(feature = "std")]
use std::path::Path;

#[cfg(any(feature = "pem", feature = "std"))]
use zeroize::Zeroizing;

/// Parse an [`RsaPrivateKey`] from a PKCS#1-encoded document.
pub trait FromRsaPrivateKey: Sized {
    /// Parse the [`RsaPrivateKey`] from a PKCS#1-encoded document.
    fn from_pkcs1_private_key(private_key: RsaPrivateKey<'_>) -> Result<Self>;

    /// Deserialize PKCS#1 private key from ASN.1 DER-encoded data
    /// (binary format).
    fn from_pkcs1_der(bytes: &[u8]) -> Result<Self> {
        Self::from_pkcs1_private_key(RsaPrivateKey::try_from(bytes)?)
    }

    /// Deserialize PKCS#1-encoded private key from PEM.
    ///
    /// Keys in this format begin with the following:
    ///
    /// ```text
    /// -----BEGIN RSA PRIVATE KEY-----
    /// ```
    #[cfg(feature = "pem")]
    #[cfg_attr(docsrs, doc(cfg(feature = "pem")))]
    fn from_pkcs1_pem(s: &str) -> Result<Self> {
        RsaPrivateKeyDocument::from_pkcs1_pem(s)
            .and_then(|doc| Self::from_pkcs1_private_key(doc.private_key()))
    }

    /// Load PKCS#1 private key from an ASN.1 DER-encoded file on the local
    /// filesystem (binary format).
    #[cfg(feature = "std")]
    #[cfg_attr(docsrs, doc(cfg(feature = "std")))]
    fn read_pkcs1_der_file(path: &Path) -> Result<Self> {
        RsaPrivateKeyDocument::read_pkcs1_der_file(path)
            .and_then(|doc| Self::from_pkcs1_private_key(doc.private_key()))
    }

    /// Load PKCS#1 private key from a PEM-encoded file on the local filesystem.
    #[cfg(all(feature = "pem", feature = "std"))]
    #[cfg_attr(docsrs, doc(cfg(feature = "pem")))]
    #[cfg_attr(docsrs, doc(cfg(feature = "std")))]
    fn read_pkcs1_pem_file(path: &Path) -> Result<Self> {
        RsaPrivateKeyDocument::read_pkcs1_pem_file(path)
            .and_then(|doc| Self::from_pkcs1_private_key(doc.private_key()))
    }
}

/// Parse a [`RsaPublicKey`] from a PKCS#1-encoded document.
pub trait FromRsaPublicKey: Sized {
    /// Parse [`RsaPublicKey`] into a [`RsaPublicKey`].
    fn from_pkcs1_public_key(public_key: RsaPublicKey<'_>) -> Result<Self>;

    /// Deserialize object from ASN.1 DER-encoded [`RsaPublicKey`]
    /// (binary format).
    fn from_pkcs1_der(bytes: &[u8]) -> Result<Self> {
        Self::from_pkcs1_public_key(RsaPublicKey::try_from(bytes)?)
    }

    /// Deserialize PEM-encoded [`RsaPublicKey`].
    ///
    /// Keys in this format begin with the following:
    ///
    /// ```text
    /// -----BEGIN RSA PUBLIC KEY-----
    /// ```
    #[cfg(feature = "pem")]
    #[cfg_attr(docsrs, doc(cfg(feature = "pem")))]
    fn from_pkcs1_pem(s: &str) -> Result<Self> {
        RsaPublicKeyDocument::from_pkcs1_pem(s)
            .and_then(|doc| Self::from_pkcs1_public_key(doc.public_key()))
    }

    /// Load [`RsaPublicKey`] from an ASN.1 DER-encoded file on the local
    /// filesystem (binary format).
    #[cfg(feature = "std")]
    #[cfg_attr(docsrs, doc(cfg(feature = "std")))]
    fn read_pkcs1_der_file(path: &Path) -> Result<Self> {
        RsaPublicKeyDocument::read_pkcs1_der_file(path)
            .and_then(|doc| Self::from_pkcs1_public_key(doc.public_key()))
    }

    /// Load [`RsaPublicKey`] from a PEM-encoded file on the local filesystem.
    #[cfg(all(feature = "pem", feature = "std"))]
    #[cfg_attr(docsrs, doc(cfg(feature = "pem")))]
    #[cfg_attr(docsrs, doc(cfg(feature = "std")))]
    fn read_pkcs1_pem_file(path: &Path) -> Result<Self> {
        RsaPublicKeyDocument::read_pkcs1_pem_file(path)
            .and_then(|doc| Self::from_pkcs1_public_key(doc.public_key()))
    }
}

/// Serialize a [`RsaPrivateKey`] to a PKCS#1 encoded document.
#[cfg(feature = "alloc")]
#[cfg_attr(docsrs, doc(cfg(feature = "alloc")))]
pub trait ToRsaPrivateKey {
    /// Serialize a [`RsaPrivateKeyDocument`] containing a PKCS#1-encoded private key.
    fn to_pkcs1_der(&self) -> Result<RsaPrivateKeyDocument>;

    /// Serialize this private key as PEM-encoded PKCS#1.
    #[cfg(feature = "pem")]
    #[cfg_attr(docsrs, doc(cfg(feature = "pem")))]
    fn to_pkcs1_pem(&self) -> Result<Zeroizing<String>> {
        self.to_pkcs1_pem_with_le(LineEnding::default())
    }

    /// Serialize this private key as PEM-encoded PKCS#1 with the given [`LineEnding`].
    #[cfg(feature = "pem")]
    #[cfg_attr(docsrs, doc(cfg(feature = "pem")))]
    fn to_pkcs1_pem_with_le(&self, line_ending: LineEnding) -> Result<Zeroizing<String>> {
        self.to_pkcs1_der()?.to_pkcs1_pem_with_le(line_ending)
    }

    /// Write ASN.1 DER-encoded PKCS#1 private key to the given path.
    #[cfg(feature = "std")]
    #[cfg_attr(docsrs, doc(cfg(feature = "std")))]
    fn write_pkcs1_der_file(&self, path: &Path) -> Result<()> {
        self.to_pkcs1_der()?.write_pkcs1_der_file(path)
    }

    /// Write ASN.1 DER-encoded PKCS#1 private key to the given path.
    #[cfg(all(feature = "pem", feature = "std"))]
    #[cfg_attr(docsrs, doc(cfg(feature = "pem")))]
    #[cfg_attr(docsrs, doc(cfg(feature = "std")))]
    fn write_pkcs1_pem_file(&self, path: &Path) -> Result<()> {
        self.to_pkcs1_der()?.write_pkcs1_pem_file(path)
    }
}

/// Serialize a [`RsaPublicKey`] to a PKCS#1-encoded document.
#[cfg(feature = "alloc")]
#[cfg_attr(docsrs, doc(cfg(feature = "alloc")))]
pub trait ToRsaPublicKey {
    /// Serialize a [`RsaPublicKeyDocument`] containing a PKCS#1-encoded public key.
    fn to_pkcs1_der(&self) -> Result<RsaPublicKeyDocument>;

    /// Serialize this public key as PEM-encoded PKCS#1.
    #[cfg(feature = "pem")]
    #[cfg_attr(docsrs, doc(cfg(feature = "pem")))]
    fn to_pkcs1_pem(&self) -> Result<String> {
        self.to_pkcs1_pem_with_le(LineEnding::default())
    }

    /// Serialize this public key as PEM-encoded PKCS#1 with the given line ending.
    #[cfg(feature = "pem")]
    #[cfg_attr(docsrs, doc(cfg(feature = "pem")))]
    fn to_pkcs1_pem_with_le(&self, line_ending: LineEnding) -> Result<String> {
        self.to_pkcs1_der()?.to_pkcs1_pem_with_le(line_ending)
    }

    /// Write ASN.1 DER-encoded public key to the given path.
    #[cfg(feature = "std")]
    #[cfg_attr(docsrs, doc(cfg(feature = "std")))]
    fn write_pkcs1_der_file(&self, path: &Path) -> Result<()> {
        self.to_pkcs1_der()?.write_pkcs1_der_file(path)
    }

    /// Write ASN.1 DER-encoded public key to the given path.
    #[cfg(all(feature = "pem", feature = "std"))]
    #[cfg_attr(docsrs, doc(cfg(feature = "pem")))]
    #[cfg_attr(docsrs, doc(cfg(feature = "std")))]
    fn write_pkcs1_pem_file(&self, path: &Path) -> Result<()> {
        self.to_pkcs1_der()?.write_pkcs1_pem_file(path)
    }
}