chore: checkpoint before Python removal

vendor/pkcs8/tests/encrypted_private_key.rs

@@ -0,0 +1,234 @@
+//! Encrypted PKCS#8 private key tests.
+
+#![cfg(feature = "pkcs5")]
+
+use hex_literal::hex;
+use pkcs8::{pkcs5::pbes2, EncryptedPrivateKeyInfo, PrivateKeyInfo};
+
+#[cfg(feature = "alloc")]
+use der::Encode;
+
+#[cfg(feature = "pem")]
+use der::EncodePem;
+
+/// Ed25519 PKCS#8 private key plaintext encoded as ASN.1 DER
+#[cfg(feature = "encryption")]
+const ED25519_DER_PLAINTEXT_EXAMPLE: &[u8] = include_bytes!("examples/ed25519-priv-pkcs8v1.der");
+
+/// Ed25519 PKCS#8 encrypted private key (PBES2 + AES-128-CBC + PBKDF2-SHA1) encoded as ASN.1 DER.
+///
+/// Generated using:
+///
+/// ```
+/// $ openssl pkcs8 -v2 aes256-cbc -v2prf hmacWithSHA1 -topk8 -inform der -in ed25519-priv.der -outform der -out ed25519-encpriv-aes128-pbkdf2-sha1.der
+/// ```
+const ED25519_DER_AES128_PBKDF2_SHA1_EXAMPLE: &[u8] =
+    include_bytes!("examples/ed25519-encpriv-aes128-pbkdf2-sha1.der");
+
+/// Ed25519 PKCS#8 encrypted private key (PBES2 + AES-256-CBC + PBKDF2-SHA256) encoded as ASN.1 DER.
+///
+/// Generated using:
+///
+/// ```
+/// $ openssl pkcs8 -v2 aes256-cbc -v2prf hmacWithSHA256 -topk8 -inform der -in ed25519-priv.der -outform der -out ed25519-encpriv-aes256-pbkdf2-sha256.der
+/// ```
+const ED25519_DER_AES256_PBKDF2_SHA256_EXAMPLE: &[u8] =
+    include_bytes!("examples/ed25519-encpriv-aes256-pbkdf2-sha256.der");
+
+/// Ed25519 PKCS#8 encrypted private key (PBES2 + AES-256-CBC + scrypt) encoded as ASN.1 DER.
+///
+/// Generated using:
+///
+/// ```
+/// $ openssl pkcs8 -v2 aes256-cbc -scrypt -topk8 -inform der -in ed25519-priv.der -outform der -out ed25519-encpriv-aes256-scrypt.der
+/// ```
+#[cfg(feature = "encryption")]
+const ED25519_DER_AES256_SCRYPT_EXAMPLE: &[u8] =
+    include_bytes!("examples/ed25519-encpriv-aes256-scrypt.der");
+
+/// Ed25519 PKCS#8 encrypted private key encoded as PEM
+#[cfg(feature = "pem")]
+const ED25519_PEM_AES256_PBKDF2_SHA256_EXAMPLE: &str =
+    include_str!("examples/ed25519-encpriv-aes256-pbkdf2-sha256.pem");
+
+/// Ed25519 PKCS#8 encrypted private key (PBES2 + 3DES + PBKDF2-SHA256) encoded as ASN.1 DER
+///
+/// Generated using:
+///
+/// ```
+/// $ openssl pkcs8 -v2 des3 -topk8 -inform der -in ed25519-priv-pkcs8v1.der -outform der -out ed25519-encpriv-des3-pbkdf2-sha256.der
+/// ```
+#[cfg(feature = "3des")]
+const ED25519_DER_DES3_PBKDF2_SHA256_EXAMPLE: &[u8] =
+    include_bytes!("examples/ed25519-encpriv-des3-pbkdf2-sha256.der");
+
+/// Ed25519 PKCS#8 encrypted private key (PBES2 + DES + PBKDF2-SHA256) encoded as ASN.1 DER
+///
+/// Generated using:
+///
+/// ```
+/// $ openssl pkcs8 -v2 des -topk8 -inform der -in ed25519-priv-pkcs8v1.der -outform der -out ed25519-encpriv-des3-pbkdf2-sha256.der
+/// ```
+#[cfg(feature = "des-insecure")]
+const ED25519_DER_DES_PBKDF2_SHA256_EXAMPLE: &[u8] =
+    include_bytes!("examples/ed25519-encpriv-des-pbkdf2-sha256.der");
+
+/// Password used to encrypt the keys.
+#[cfg(feature = "encryption")]
+const PASSWORD: &[u8] = b"hunter42"; // Bad password; don't actually use outside tests!
+
+#[test]
+fn decode_ed25519_encpriv_aes128_pbkdf2_sha1_der() {
+    let pk = EncryptedPrivateKeyInfo::try_from(ED25519_DER_AES128_PBKDF2_SHA1_EXAMPLE).unwrap();
+
+    assert_eq!(
+        pk.encryption_algorithm.oid(),
+        "1.2.840.113549.1.5.13".parse().unwrap()
+    ); // PBES2
+
+    let pbes2_params = pk.encryption_algorithm.pbes2().unwrap();
+    let pbkdf2_params = pbes2_params.kdf.pbkdf2().unwrap();
+
+    assert_eq!(pbkdf2_params.salt, hex!("e8765e01e43b6bad"));
+    assert_eq!(pbkdf2_params.iteration_count, 2048);
+    assert_eq!(pbkdf2_params.key_length, None);
+    assert_eq!(pbkdf2_params.prf, pbes2::Pbkdf2Prf::HmacWithSha1);
+
+    match pbes2_params.encryption {
+        pbes2::EncryptionScheme::Aes128Cbc { iv } => {
+            assert_eq!(iv, &hex!("223080a71bcd2b9a256d876c924979d2"));
+        }
+        other => panic!("unexpected encryption scheme: {:?}", other),
+    }
+
+    // Extracted with:
+    // $ openssl asn1parse -inform der -in tests/examples/ed25519-encpriv-aes128-sha1.der
+    assert_eq!(
+        pk.encrypted_data,
+        &hex!("4B4D091548EAC381EE7663B21234CD4FF3C9DF664D713394CACCEA7C9B982BD8F29910FABCA4BF7BE0431FAC5C4D657BE997C1F5BF40E2DA465AC1FCC2E30470")
+    );
+}
+
+#[test]
+fn decode_ed25519_encpriv_aes256_pbkdf2_sha256_der() {
+    let pk = EncryptedPrivateKeyInfo::try_from(ED25519_DER_AES256_PBKDF2_SHA256_EXAMPLE).unwrap();
+
+    assert_eq!(
+        pk.encryption_algorithm.oid(),
+        "1.2.840.113549.1.5.13".parse().unwrap()
+    ); // PBES2
+
+    let pbes2_params = pk.encryption_algorithm.pbes2().unwrap();
+    let pbkdf2_params = pbes2_params.kdf.pbkdf2().unwrap();
+
+    assert_eq!(pbkdf2_params.salt, hex!("79d982e70df91a88"));
+    assert_eq!(pbkdf2_params.iteration_count, 2048);
+    assert_eq!(pbkdf2_params.key_length, None);
+    assert_eq!(pbkdf2_params.prf, pbes2::Pbkdf2Prf::HmacWithSha256);
+
+    match pbes2_params.encryption {
+        pbes2::EncryptionScheme::Aes256Cbc { iv } => {
+            assert_eq!(iv, &hex!("b2d02d78b2efd9dff694cf8e0af40925"));
+        }
+        other => panic!("unexpected encryption scheme: {:?}", other),
+    }
+
+    // Extracted with:
+    // $ openssl asn1parse -inform der -in tests/examples/ed25519-encpriv-aes256-sha256.der
+    assert_eq!(
+        pk.encrypted_data,
+        &hex!("D0CD6C770F4BB87176422305C17401809E226674CE74185D221BFDAA95069890C8882FCE02B05D41BCBF54B035595BCD4154B32593708469B86AACF8815A7B2B")
+    );
+}
+
+#[cfg(feature = "encryption")]
+#[test]
+fn decrypt_ed25519_der_encpriv_aes256_pbkdf2_sha256() {
+    let enc_pk =
+        EncryptedPrivateKeyInfo::try_from(ED25519_DER_AES256_PBKDF2_SHA256_EXAMPLE).unwrap();
+    let pk = enc_pk.decrypt(PASSWORD).unwrap();
+    assert_eq!(pk.as_bytes(), ED25519_DER_PLAINTEXT_EXAMPLE);
+}
+
+#[cfg(feature = "encryption")]
+#[test]
+fn decrypt_ed25519_der_encpriv_aes256_scrypt() {
+    let enc_pk = EncryptedPrivateKeyInfo::try_from(ED25519_DER_AES256_SCRYPT_EXAMPLE).unwrap();
+    let pk = enc_pk.decrypt(PASSWORD).unwrap();
+    assert_eq!(pk.as_bytes(), ED25519_DER_PLAINTEXT_EXAMPLE);
+}
+
+#[cfg(feature = "encryption")]
+#[test]
+fn encrypt_ed25519_der_encpriv_aes256_pbkdf2_sha256() {
+    let pbes2_params = pkcs5::pbes2::Parameters::pbkdf2_sha256_aes256cbc(
+        2048,
+        &hex!("79d982e70df91a88"),
+        &hex!("b2d02d78b2efd9dff694cf8e0af40925"),
+    )
+    .unwrap();
+
+    let pk_plaintext = PrivateKeyInfo::try_from(ED25519_DER_PLAINTEXT_EXAMPLE).unwrap();
+    let pk_encrypted = pk_plaintext
+        .encrypt_with_params(pbes2_params, PASSWORD)
+        .unwrap();
+
+    assert_eq!(
+        pk_encrypted.as_bytes(),
+        ED25519_DER_AES256_PBKDF2_SHA256_EXAMPLE
+    );
+}
+
+#[cfg(feature = "encryption")]
+#[test]
+fn encrypt_ed25519_der_encpriv_aes256_scrypt() {
+    let scrypt_params = pkcs5::pbes2::Parameters::scrypt_aes256cbc(
+        pkcs5::scrypt::Params::new(15, 8, 1, 32).unwrap(),
+        &hex!("E6211E2348AD69E0"),
+        &hex!("9BD0A6251F2254F9FD5963887C27CF01"),
+    )
+    .unwrap();
+
+    let pk_plaintext = PrivateKeyInfo::try_from(ED25519_DER_PLAINTEXT_EXAMPLE).unwrap();
+    let pk_encrypted = pk_plaintext
+        .encrypt_with_params(scrypt_params, PASSWORD)
+        .unwrap();
+
+    assert_eq!(pk_encrypted.as_bytes(), ED25519_DER_AES256_SCRYPT_EXAMPLE);
+}
+
+#[test]
+#[cfg(feature = "alloc")]
+fn encode_ed25519_encpriv_aes256_pbkdf2_sha256_der() {
+    let pk = EncryptedPrivateKeyInfo::try_from(ED25519_DER_AES256_PBKDF2_SHA256_EXAMPLE).unwrap();
+    assert_eq!(
+        ED25519_DER_AES256_PBKDF2_SHA256_EXAMPLE,
+        &pk.to_der().unwrap()
+    );
+}
+
+#[test]
+#[cfg(feature = "pem")]
+fn encode_ed25519_encpriv_aes256_pbkdf2_sha256_pem() {
+    let pk = EncryptedPrivateKeyInfo::try_from(ED25519_DER_AES256_PBKDF2_SHA256_EXAMPLE).unwrap();
+    assert_eq!(
+        ED25519_PEM_AES256_PBKDF2_SHA256_EXAMPLE,
+        pk.to_pem(Default::default()).unwrap()
+    );
+}
+
+#[test]
+#[cfg(feature = "3des")]
+fn decrypt_ed25519_der_encpriv_des3_pbkdf2_sha256() {
+    let enc_pk = EncryptedPrivateKeyInfo::try_from(ED25519_DER_DES3_PBKDF2_SHA256_EXAMPLE).unwrap();
+    let pk = enc_pk.decrypt(PASSWORD).unwrap();
+    assert_eq!(pk.as_bytes(), ED25519_DER_PLAINTEXT_EXAMPLE);
+}
+
+#[test]
+#[cfg(feature = "des-insecure")]
+fn decrypt_ed25519_der_encpriv_des_pbkdf2_sha256() {
+    let enc_pk = EncryptedPrivateKeyInfo::try_from(ED25519_DER_DES_PBKDF2_SHA256_EXAMPLE).unwrap();
+    let pk = enc_pk.decrypt(PASSWORD).unwrap();
+    assert_eq!(pk.as_bytes(), ED25519_DER_PLAINTEXT_EXAMPLE);
+}

vendor/pkcs8/tests/examples/ed25519-encpriv-aes256-pbkdf2-sha256.pem

@@ -0,0 +1,6 @@
+-----BEGIN ENCRYPTED PRIVATE KEY-----
+MIGbMFcGCSqGSIb3DQEFDTBKMCkGCSqGSIb3DQEFDDAcBAh52YLnDfkaiAICCAAw
+DAYIKoZIhvcNAgkFADAdBglghkgBZQMEASoEELLQLXiy79nf9pTPjgr0CSUEQNDN
+bHcPS7hxdkIjBcF0AYCeImZ0znQYXSIb/aqVBpiQyIgvzgKwXUG8v1SwNVlbzUFU
+syWTcIRpuGqs+IFaeys=
+-----END ENCRYPTED PRIVATE KEY-----

vendor/pkcs8/tests/examples/ed25519-encpriv-aes256-scrypt.pem

@@ -0,0 +1,6 @@
+-----BEGIN ENCRYPTED PRIVATE KEY-----
+MIGTME8GCSqGSIb3DQEFDTBCMCEGCSsGAQQB2kcECzAUBAjmIR4jSK1p4AICQAAC
+AQgCAQEwHQYJYIZIAWUDBAEqBBCb0KYlHyJU+f1ZY4h8J88BBEDMYrp3PA9JX6s2
+aOT8782wjnig7hXgoVAT9iq+CNqnQgZe6zZtbmyYzDsOfmm9yGHIiv648D26Hixt
+mdBtFzYM
+-----END ENCRYPTED PRIVATE KEY-----

vendor/pkcs8/tests/examples/ed25519-priv-pkcs8v1.pem

@@ -0,0 +1,3 @@
+-----BEGIN PRIVATE KEY-----
+MC4CAQAwBQYDK2VwBCIEIBftnHPp22SewYmmEoMcX8VwI4IHwaqd+9LFPj/15eqF
+-----END PRIVATE KEY-----

vendor/pkcs8/tests/examples/ed25519-priv-pkcs8v2.pem

@@ -0,0 +1,5 @@
+-----BEGIN PRIVATE KEY-----
+MHICAQEwBQYDK2VwBCIEINTuctv5E1hK1bbY8fdp+K06/nwoy/HU++CXqI9EdVhC
+oB8wHQYKKoZIhvcNAQkJFDEPDA1DdXJkbGUgQ2hhaXJzgSEAGb9ECWmEzf6FQbrB
+Z9w7lshQhqowtrbLDFw4rXAxZuE=
+-----END PRIVATE KEY-----

vendor/pkcs8/tests/examples/ed25519-pub.pem

@@ -0,0 +1,3 @@
+-----BEGIN PUBLIC KEY-----
+MCowBQYDK2VwAyEATSkWfz8ZEqb3rfopOgUaFcBexnuPFyZ7HFVQ3OhTvQ0=
+-----END PUBLIC KEY-----

vendor/pkcs8/tests/examples/p256-priv.pem

@@ -0,0 +1,5 @@
+-----BEGIN PRIVATE KEY-----
+MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQgaWJBcVYaYzQN4OfY
+afKgVJJVjhoEhotqn4VKhmeIGI2hRANCAAQcrP+1Xy8s79idies3SyaBFSRSgC3u
+oJkWBoE32DnPf8SBpESSME1+9mrBF77+g6jQjxVfK1L59hjdRHApBI4P
+-----END PRIVATE KEY-----

vendor/pkcs8/tests/examples/p256-pub.pem

@@ -0,0 +1,4 @@
+-----BEGIN PUBLIC KEY-----
+MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEHKz/tV8vLO/YnYnrN0smgRUkUoAt
+7qCZFgaBN9g5z3/EgaREkjBNfvZqwRe+/oOo0I8VXytS+fYY3URwKQSODw==
+-----END PUBLIC KEY-----

vendor/pkcs8/tests/examples/rsa2048-priv.pem

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----

vendor/pkcs8/tests/examples/rsa2048-pub.pem

@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtsQsUV8QpqrygsY+2+JC
+Q6Fw8/omM71IM2N/R8pPbzbgOl0p78MZGsgPOQ2HSznjD0FPzsH8oO2B5Uftws04
+LHb2HJAYlz25+lN5cqfHAfa3fgmC38FfwBkn7l582UtPWZ/wcBOnyCgb3yLcvJrX
+yrt8QxHJgvWO23ITrUVYszImbXQ67YGS0YhMrbixRzmo2tpm3JcIBtnHrEUMsT0N
+fFdfsZhTT8YbxBvA8FdODgEwx7u/vf3J9qbi4+Kv8cvqyJuleIRSjVXPsIMnoejI
+n04APPKIjpMyQdnWlby7rNyQtE4+CV+jcFjqJbE/Xilcvqxt6DirjFCvYeKYl1uH
+LwIDAQAB
+-----END PUBLIC KEY-----

vendor/pkcs8/tests/examples/x25519-priv.pem

@@ -0,0 +1,3 @@
+-----BEGIN PRIVATE KEY-----
+MC4CAQAwBQYDK2VuBCIEIHBgJSkzrG56SpsOsmMsWgQKhyV624aaPszD0WtyTyZH
+-----END PRIVATE KEY-----

vendor/pkcs8/tests/private_key.rs

@@ -0,0 +1,187 @@
+//! PKCS#8 private key tests
+
+use der::asn1::ObjectIdentifier;
+use hex_literal::hex;
+use pkcs8::{PrivateKeyInfo, Version};
+
+#[cfg(feature = "alloc")]
+use der::Encode;
+
+#[cfg(feature = "pem")]
+use der::{pem::LineEnding, EncodePem};
+
+/// Elliptic Curve (P-256) PKCS#8 private key encoded as ASN.1 DER
+const EC_P256_DER_EXAMPLE: &[u8] = include_bytes!("examples/p256-priv.der");
+
+/// Ed25519 PKCS#8 v1 private key encoded as ASN.1 DER
+const ED25519_DER_V1_EXAMPLE: &[u8] = include_bytes!("examples/ed25519-priv-pkcs8v1.der");
+
+/// Ed25519 PKCS#8 v2 private key + public key encoded as ASN.1 DER
+const ED25519_DER_V2_EXAMPLE: &[u8] = include_bytes!("examples/ed25519-priv-pkcs8v2.der");
+
+/// RSA-2048 PKCS#8 private key encoded as ASN.1 DER
+const RSA_2048_DER_EXAMPLE: &[u8] = include_bytes!("examples/rsa2048-priv.der");
+
+/// X25519 PKCS#8 private key encoded as ASN.1 DER
+const X25519_DER_EXAMPLE: &[u8] = include_bytes!("examples/x25519-priv.der");
+
+/// Elliptic Curve (P-256) PKCS#8 private key encoded as PEM
+#[cfg(feature = "pem")]
+const EC_P256_PEM_EXAMPLE: &str = include_str!("examples/p256-priv.pem");
+
+/// Ed25519 PKCS#8 private key encoded as PEM
+#[cfg(feature = "pem")]
+const ED25519_PEM_V1_EXAMPLE: &str = include_str!("examples/ed25519-priv-pkcs8v1.pem");
+
+/// RSA-2048 PKCS#8 private key encoded as PEM
+#[cfg(feature = "pem")]
+const RSA_2048_PEM_EXAMPLE: &str = include_str!("examples/rsa2048-priv.pem");
+
+/// X25519 PKCS#8 private key encoded as PEM
+#[cfg(feature = "pem")]
+const X25519_PEM_EXAMPLE: &str = include_str!("examples/x25519-priv.pem");
+
+#[test]
+fn decode_ec_p256_der() {
+    let pk = PrivateKeyInfo::try_from(EC_P256_DER_EXAMPLE).unwrap();
+
+    assert_eq!(pk.version(), Version::V1);
+    assert_eq!(pk.algorithm.oid, "1.2.840.10045.2.1".parse().unwrap());
+
+    assert_eq!(
+        pk.algorithm
+            .parameters
+            .unwrap()
+            .decode_as::<ObjectIdentifier>()
+            .unwrap(),
+        "1.2.840.10045.3.1.7".parse().unwrap()
+    );
+
+    // Extracted with:
+    // $ openssl asn1parse -inform der -in tests/examples/p256-priv.der
+    assert_eq!(pk.private_key, &hex!("306B020101042069624171561A63340DE0E7D869F2A05492558E1A04868B6A9F854A866788188DA144034200041CACFFB55F2F2CEFD89D89EB374B2681152452802DEEA09916068137D839CF7FC481A44492304D7EF66AC117BEFE83A8D08F155F2B52F9F618DD447029048E0F")[..]);
+}
+
+// Test vector from RFC8410 Section 10.3:
+// https://datatracker.ietf.org/doc/html/rfc8410#section-10.3
+#[test]
+fn decode_ed25519_der_v1() {
+    let pk = PrivateKeyInfo::try_from(ED25519_DER_V1_EXAMPLE).unwrap();
+    assert_eq!(pk.version(), Version::V1);
+    assert_eq!(pk.algorithm.oid, "1.3.101.112".parse().unwrap());
+    assert_eq!(pk.algorithm.parameters, None);
+
+    // Extracted with:
+    // $ openssl asn1parse -inform der -in tests/examples/ed25519-priv.der
+    assert_eq!(
+        pk.private_key,
+        &hex!("042017ED9C73E9DB649EC189A612831C5FC570238207C1AA9DFBD2C53E3FF5E5EA85")[..]
+    );
+}
+
+// Test vector from RFC8410 Section 10.3:
+// https://datatracker.ietf.org/doc/html/rfc8410#section-10.3
+#[test]
+fn decode_ed25519_der_v2() {
+    // Extracted with:
+    // $ openssl asn1parse -inform der -in tests/examples/ed25519-priv-pkcs8v2.der
+    const PRIV_KEY: [u8; 34] =
+        hex!("0420D4EE72DBF913584AD5B6D8F1F769F8AD3AFE7C28CBF1D4FBE097A88F44755842");
+    const PUB_KEY: [u8; 32] =
+        hex!("19BF44096984CDFE8541BAC167DC3B96C85086AA30B6B6CB0C5C38AD703166E1");
+
+    let pk = PrivateKeyInfo::try_from(ED25519_DER_V2_EXAMPLE).unwrap();
+    assert_eq!(pk.version(), Version::V2);
+    assert_eq!(pk.algorithm.oid, "1.3.101.112".parse().unwrap());
+    assert_eq!(pk.algorithm.parameters, None);
+    assert_eq!(pk.private_key, PRIV_KEY);
+    assert_eq!(pk.public_key, Some(&PUB_KEY[..]));
+}
+
+#[test]
+fn decode_rsa_2048_der() {
+    let pk = PrivateKeyInfo::try_from(RSA_2048_DER_EXAMPLE).unwrap();
+    assert_eq!(pk.version(), Version::V1);
+    assert_eq!(pk.algorithm.oid, "1.2.840.113549.1.1.1".parse().unwrap());
+    assert!(pk.algorithm.parameters.unwrap().is_null());
+
+    // Extracted with:
+    // $ openssl asn1parse -inform der -in tests/examples/rsa2048-priv.der
+    assert_eq!(pk.private_key, &hex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
+}
+
+#[test]
+fn decode_x25519_der() {
+    let pk = PrivateKeyInfo::try_from(X25519_DER_EXAMPLE).unwrap();
+    assert_eq!(pk.version(), Version::V1);
+    assert_eq!(pk.algorithm.oid, "1.3.101.110".parse().unwrap());
+    assert_eq!(pk.algorithm.parameters, None);
+
+    // Extracted with:
+    // $ openssl asn1parse -inform der -in tests/examples/x25519-priv.der
+    assert_eq!(
+        pk.private_key,
+        &hex!("04207060252933AC6E7A4A9B0EB2632C5A040A87257ADB869A3ECCC3D16B724F2647")[..]
+    );
+}
+
+#[test]
+#[cfg(feature = "alloc")]
+fn encode_ec_p256_der() {
+    let pk = PrivateKeyInfo::try_from(EC_P256_DER_EXAMPLE).unwrap();
+    let pk_encoded = pk.to_der().unwrap();
+    assert_eq!(EC_P256_DER_EXAMPLE, pk_encoded);
+}
+
+#[test]
+#[cfg(feature = "alloc")]
+fn encode_ed25519_der_v1() {
+    let pk = PrivateKeyInfo::try_from(ED25519_DER_V1_EXAMPLE).unwrap();
+    assert_eq!(ED25519_DER_V1_EXAMPLE, pk.to_der().unwrap());
+}
+
+#[test]
+#[cfg(all(feature = "alloc", feature = "subtle"))]
+fn encode_ed25519_der_v2() {
+    let private_key = PrivateKeyInfo::try_from(ED25519_DER_V2_EXAMPLE).unwrap();
+    let private_der = private_key.to_der().unwrap();
+    assert_eq!(
+        private_key,
+        PrivateKeyInfo::try_from(private_der.as_ref()).unwrap()
+    );
+}
+
+#[test]
+#[cfg(feature = "alloc")]
+fn encode_rsa_2048_der() {
+    let pk = PrivateKeyInfo::try_from(RSA_2048_DER_EXAMPLE).unwrap();
+    assert_eq!(RSA_2048_DER_EXAMPLE, &pk.to_der().unwrap());
+}
+
+#[test]
+#[cfg(feature = "pem")]
+fn encode_ec_p256_pem() {
+    let pk = PrivateKeyInfo::try_from(EC_P256_DER_EXAMPLE).unwrap();
+    assert_eq!(EC_P256_PEM_EXAMPLE, pk.to_pem(LineEnding::LF).unwrap());
+}
+
+#[test]
+#[cfg(feature = "pem")]
+fn encode_ed25519_pem() {
+    let pk = PrivateKeyInfo::try_from(ED25519_DER_V1_EXAMPLE).unwrap();
+    assert_eq!(ED25519_PEM_V1_EXAMPLE, pk.to_pem(LineEnding::LF).unwrap());
+}
+
+#[test]
+#[cfg(feature = "pem")]
+fn encode_rsa_2048_pem() {
+    let pk = PrivateKeyInfo::try_from(RSA_2048_DER_EXAMPLE).unwrap();
+    assert_eq!(RSA_2048_PEM_EXAMPLE, pk.to_pem(LineEnding::LF).unwrap());
+}
+
+#[test]
+#[cfg(feature = "pem")]
+fn encode_x25519_pem() {
+    let pk = PrivateKeyInfo::try_from(X25519_DER_EXAMPLE).unwrap();
+    assert_eq!(X25519_PEM_EXAMPLE, pk.to_pem(LineEnding::LF).unwrap());
+}

vendor/pkcs8/tests/traits.rs

@@ -0,0 +1,102 @@
+//! Tests for PKCS#8 encoding/decoding traits.
+
+#![cfg(any(feature = "pem", feature = "std"))]
+
+use der::Encode;
+use pkcs8::{DecodePrivateKey, EncodePrivateKey, Error, PrivateKeyInfo, Result, SecretDocument};
+
+#[cfg(feature = "pem")]
+use pkcs8::der::pem::LineEnding;
+
+#[cfg(feature = "std")]
+use tempfile::tempdir;
+
+#[cfg(all(feature = "pem", feature = "std"))]
+use std::fs;
+
+/// Ed25519 `PrivateKeyInfo` encoded as ASN.1 DER
+const ED25519_DER_EXAMPLE: &[u8] = include_bytes!("examples/ed25519-priv-pkcs8v1.der");
+
+/// Ed25519 private key encoded as PEM
+#[cfg(feature = "pem")]
+const ED25519_PEM_EXAMPLE: &str = include_str!("examples/ed25519-priv-pkcs8v1.pem");
+
+/// Mock key type for testing trait impls against.
+pub struct MockKey(Vec<u8>);
+
+impl AsRef<[u8]> for MockKey {
+    fn as_ref(&self) -> &[u8] {
+        self.0.as_ref()
+    }
+}
+
+impl EncodePrivateKey for MockKey {
+    fn to_pkcs8_der(&self) -> Result<SecretDocument> {
+        Ok(SecretDocument::try_from(self.as_ref())?)
+    }
+}
+
+impl TryFrom<PrivateKeyInfo<'_>> for MockKey {
+    type Error = Error;
+
+    fn try_from(pkcs8: PrivateKeyInfo<'_>) -> Result<MockKey> {
+        Ok(MockKey(pkcs8.to_der()?))
+    }
+}
+
+#[cfg(feature = "pem")]
+#[test]
+fn from_pkcs8_pem() {
+    let key = MockKey::from_pkcs8_pem(ED25519_PEM_EXAMPLE).unwrap();
+    assert_eq!(key.as_ref(), ED25519_DER_EXAMPLE);
+}
+
+#[cfg(feature = "std")]
+#[test]
+fn read_pkcs8_der_file() {
+    let key = MockKey::read_pkcs8_der_file("tests/examples/ed25519-priv-pkcs8v1.der").unwrap();
+    assert_eq!(key.as_ref(), ED25519_DER_EXAMPLE);
+}
+
+#[cfg(all(feature = "pem", feature = "std"))]
+#[test]
+fn read_pkcs8_pem_file() {
+    let key = MockKey::read_pkcs8_pem_file("tests/examples/ed25519-priv-pkcs8v1.pem").unwrap();
+    assert_eq!(key.as_ref(), ED25519_DER_EXAMPLE);
+}
+
+#[cfg(feature = "pem")]
+#[test]
+fn to_pkcs8_pem() {
+    let pem = MockKey(ED25519_DER_EXAMPLE.to_vec())
+        .to_pkcs8_pem(LineEnding::LF)
+        .unwrap();
+
+    assert_eq!(&*pem, ED25519_PEM_EXAMPLE);
+}
+
+#[cfg(feature = "std")]
+#[test]
+fn write_pkcs8_der_file() {
+    let dir = tempdir().unwrap();
+    let path = dir.path().join("example.der");
+    MockKey(ED25519_DER_EXAMPLE.to_vec())
+        .write_pkcs8_der_file(&path)
+        .unwrap();
+
+    let key = MockKey::read_pkcs8_der_file(&path).unwrap();
+    assert_eq!(key.as_ref(), ED25519_DER_EXAMPLE);
+}
+
+#[cfg(all(feature = "pem", feature = "std"))]
+#[test]
+fn write_pkcs8_pem_file() {
+    let dir = tempdir().unwrap();
+    let path = dir.path().join("example.pem");
+    MockKey(ED25519_DER_EXAMPLE.to_vec())
+        .write_pkcs8_pem_file(&path, LineEnding::LF)
+        .unwrap();
+
+    let pem = fs::read_to_string(path).unwrap();
+    assert_eq!(&pem, ED25519_PEM_EXAMPLE);
+}