chore: checkpoint before Python removal

vendor/x509-parser/tests/verify.rs

@@ -0,0 +1,69 @@
+#![cfg(any(feature = "verify", feature = "verify-aws"))]
+
+use x509_parser::parse_x509_certificate;
+
+static CA_DER: &[u8] = include_bytes!("../assets/IGC_A.der");
+static CA_LETSENCRYPT_X3: &[u8] = include_bytes!("../assets/lets-encrypt-x3-cross-signed.der");
+static CERT_DER: &[u8] = include_bytes!("../assets/certificate.der");
+
+#[test]
+fn test_signature_verification() {
+    // for a root CA, verify self-signature
+    let (_, x509_ca) = parse_x509_certificate(CA_DER).expect("could not parse certificate");
+    let res = x509_ca.verify_signature(None);
+    eprintln!("Verification: {res:?}");
+    assert!(res.is_ok());
+
+    // for a standard certificate, first load the authority, then the certificate, and verify it
+    let (_, x509_ca) =
+        parse_x509_certificate(CA_LETSENCRYPT_X3).expect("could not parse certificate");
+    let (_, x509_cert) = parse_x509_certificate(CERT_DER).expect("could not parse certificate");
+    let res = x509_cert.verify_signature(Some(&x509_ca.tbs_certificate.subject_pki));
+    eprintln!("Verification: {res:?}");
+    assert!(res.is_ok());
+}
+
+static ED25519_DER: &[u8] = include_bytes!("../assets/ed25519.der");
+
+#[test]
+fn test_signature_verification_ed25519() {
+    // this certificate is self-signed
+    let (_, x509_ca) = parse_x509_certificate(ED25519_DER).expect("could not parse certificate");
+    let res = x509_ca.verify_signature(None);
+    eprintln!("Verification: {res:?}");
+    assert!(res.is_ok());
+}
+
+static RSA_PSS_SELF_SIGNED_SHA256: &[u8] =
+    include_bytes!("../assets/rsa-pss/self_signed_sha256.der");
+static RSA_PSS_SELF_SIGNED_SHA384: &[u8] =
+    include_bytes!("../assets/rsa-pss/self_signed_sha384.der");
+static RSA_PSS_SELF_SIGNED_SHA512: &[u8] =
+    include_bytes!("../assets/rsa-pss/self_signed_sha512.der");
+
+#[test]
+fn test_signature_verification_rsa_pss_sha256() {
+    let (_, x509) =
+        parse_x509_certificate(RSA_PSS_SELF_SIGNED_SHA256).expect("could not parse certificate");
+    let res = x509.verify_signature(None);
+    eprintln!("Verification: {res:?}");
+    assert!(res.is_ok());
+}
+
+#[test]
+fn test_signature_verification_rsa_pss_sha384() {
+    let (_, x509) =
+        parse_x509_certificate(RSA_PSS_SELF_SIGNED_SHA384).expect("could not parse certificate");
+    let res = x509.verify_signature(None);
+    eprintln!("Verification: {res:?}");
+    assert!(res.is_ok());
+}
+
+#[test]
+fn test_signature_verification_rsa_pss_sha512() {
+    let (_, x509) =
+        parse_x509_certificate(RSA_PSS_SELF_SIGNED_SHA512).expect("could not parse certificate");
+    let res = x509.verify_signature(None);
+    eprintln!("Verification: {res:?}");
+    assert!(res.is_ok());
+}