MD5WithRSA  // Only supported for signing, not verification.
	SHA1WithRSA // Only supported for signing, and verification of CRLs, CSRs, and OCSP responses.
	SHA256WithRSA
	SHA384WithRSA
	SHA512WithRSA
	DSAWithSHA1   // Unsupported.
	DSAWithSHA256 // Unsupported.
	ECDSAWithSHA1 // Only supported for signing, and verification of CRLs, CSRs, and OCSP responses.
	ECDSAWithSHA256
	ECDSAWithSHA384
	ECDSAWithSHA512

	cert, err := ParseCertificate(pemBlock.Bytes)
	if err != nil {
		t.Fatalf("Failed to parse certificate: %s", err)
	}
	if cert.SignatureAlgorithm != DSAWithSHA1 {
		t.Errorf("Parsed signature algorithm was not DSAWithSHA1")
	}
}

func TestVerifyCertificateWithDSASignature(t *testing.T) {
	pemBlock, _ := pem.Decode([]byte(dsaCertPem))
	cert, err := ParseCertificate(pemBlock.Bytes)

		{"ConstraintViolationError", Type, 0},
		{"CreateCertificate", Func, 0},
		{"CreateCertificateRequest", Func, 3},
		{"CreateRevocationList", Func, 15},
		{"DSA", Const, 0},
		{"DSAWithSHA1", Const, 0},
		{"DSAWithSHA256", Const, 0},
		{"DecryptPEMBlock", Func, 1},
		{"ECDSA", Const, 1},
		{"ECDSAWithSHA1", Const, 1},
		{"ECDSAWithSHA256", Const, 1},
		{"ECDSAWithSHA384", Const, 1},