gmsm/pkcs7/envelope_test.go
2024-12-09 20:05:39 +08:00

302 lines
9.4 KiB
Go

package pkcs7
import (
"bytes"
"crypto/x509"
"crypto/x509/pkix"
"encoding/asn1"
"encoding/hex"
"encoding/pem"
"math/big"
"os"
"testing"
"github.com/emmansun/gmsm/pkcs"
"github.com/emmansun/gmsm/sm2"
"github.com/emmansun/gmsm/smx509"
)
func TestRecipientInfo(t *testing.T) {
recipientInfo := recipientInfo{
Version: 1,
IssuerAndSerialNumber: issuerAndSerial{},
SubjectKeyIdentifier: asn1.RawValue{},
KeyEncryptionAlgorithm: pkix.AlgorithmIdentifier{
Algorithm: OIDEncryptionAlgorithmRSA,
Parameters: asn1.NullRawValue,
},
EncryptedKey: []byte("encrypted key"),
}
bytes, err := asn1.Marshal(recipientInfo)
if err != nil {
t.Fatal(err)
}
if hex.EncodeToString(bytes) != "3021020101300d06092a864886f70d0101010500040d656e63727970746564206b6579" {
t.Fatal("failed to marshal recipient info, expected: 3021020101300d06092a864886f70d0101010500040d656e63727970746564206b6579, got:", hex.EncodeToString(bytes))
}
recipientInfo.IssuerAndSerialNumber = issuerAndSerial{
IssuerName: asn1.RawValue{},
SerialNumber: big.NewInt(123456),
}
bytes, err = asn1.Marshal(recipientInfo)
if err != nil {
t.Fatal(err)
}
if hex.EncodeToString(bytes) != "302a02010130070000020301e240300d06092a864886f70d0101010500040d656e63727970746564206b6579" {
t.Fatal("failed to marshal recipient info, expected: 302a02010130070000020301e240300d06092a864886f70d0101010500040d656e63727970746564206b6579, got:", hex.EncodeToString(bytes))
}
recipientInfo.SubjectKeyIdentifier = asn1.RawValue{
Class: asn1.ClassContextSpecific,
Tag: 0,
IsCompound: false,
Bytes: []byte("subject key identifier"),
}
recipientInfo.IssuerAndSerialNumber.SerialNumber = nil
bytes, err = asn1.Marshal(recipientInfo)
if err != nil {
t.Fatal(err)
}
if hex.EncodeToString(bytes) != "303902010180167375626a656374206b6579206964656e746966696572300d06092a864886f70d0101010500040d656e63727970746564206b6579" {
t.Fatal("failed to marshal recipient info, expected: 303902010180167375626a656374206b6579206964656e746966696572300d06092a864886f70d0101010500040d656e63727970746564206b6579, got:", hex.EncodeToString(bytes))
}
}
func TestEncrypt(t *testing.T) {
ciphers := []pkcs.Cipher{
pkcs.DESCBC,
pkcs.TripleDESCBC,
pkcs.SM4CBC,
pkcs.SM4GCM,
pkcs.AES128CBC,
pkcs.AES192CBC,
pkcs.AES256CBC,
pkcs.AES128GCM,
pkcs.AES192GCM,
pkcs.AES256GCM,
}
sigalgs := []x509.SignatureAlgorithm{
x509.SHA1WithRSA,
x509.SHA256WithRSA,
x509.SHA512WithRSA,
smx509.SM2WithSM3,
}
for _, cipher := range ciphers {
for _, sigalg := range sigalgs {
plaintext := []byte("Hello Secret World!")
cert, err := createTestCertificate(sigalg, false)
if err != nil {
t.Fatal(err)
}
encrypted, err := Encrypt(cipher, plaintext, []*smx509.Certificate{cert.Certificate})
if err != nil {
t.Fatal(err)
}
p7, err := Parse(encrypted)
if err != nil {
t.Fatalf("cannot Parse encrypted result: %s", err)
}
result, err := p7.Decrypt(cert.Certificate, *cert.PrivateKey)
if err != nil {
t.Fatalf("cannot Decrypt encrypted result: %s", err)
}
if !bytes.Equal(plaintext, result) {
t.Errorf("encrypted data does not match plaintext:\n\tExpected: %s\n\tActual: %s", plaintext, result)
}
}
}
}
func TestEncryptSM(t *testing.T) {
ciphers := []pkcs.Cipher{
pkcs.SM4CBC,
pkcs.SM4GCM,
}
sigalgs := []x509.SignatureAlgorithm{
smx509.SM2WithSM3,
}
for _, cipher := range ciphers {
for _, sigalg := range sigalgs {
plaintext := []byte("Hello Secret World!")
cert, err := createTestCertificate(sigalg, false)
if err != nil {
t.Fatal(err)
}
encrypted, err := EncryptSM(cipher, plaintext, []*smx509.Certificate{cert.Certificate})
if err != nil {
t.Fatal(err)
}
pem.Encode(os.Stdout, &pem.Block{Type: "PKCS7", Bytes: encrypted})
p7, err := Parse(encrypted)
if err != nil {
t.Fatalf("cannot Parse encrypted result: %s", err)
}
result, err := p7.Decrypt(cert.Certificate, *cert.PrivateKey)
if err != nil {
t.Fatalf("cannot Decrypt encrypted result: %s", err)
}
if !bytes.Equal(plaintext, result) {
t.Errorf("encrypted data does not match plaintext:\n\tExpected: %s\n\tActual: %s", plaintext, result)
}
}
}
}
func TestEncryptCFCA(t *testing.T) {
ciphers := []pkcs.Cipher{
pkcs.SM4,
pkcs.SM4CBC,
pkcs.SM4GCM,
}
sigalgs := []x509.SignatureAlgorithm{
smx509.SM2WithSM3,
}
for _, cipher := range ciphers {
for _, sigalg := range sigalgs {
plaintext := []byte("Hello Secret World!")
cert, err := createTestCertificate(sigalg, false)
if err != nil {
t.Fatal(err)
}
encrypted, err := EncryptCFCA(cipher, plaintext, []*smx509.Certificate{cert.Certificate})
if err != nil {
t.Fatal(err)
}
pem.Encode(os.Stdout, &pem.Block{Type: "PKCS7", Bytes: encrypted})
p7, err := Parse(encrypted)
if err != nil {
t.Fatalf("cannot Parse encrypted result: %s", err)
}
result, err := p7.DecryptCFCA(cert.Certificate, *cert.PrivateKey)
if err != nil {
t.Fatalf("cannot Decrypt encrypted result: %s", err)
}
if !bytes.Equal(plaintext, result) {
t.Errorf("encrypted data does not match plaintext:\n\tExpected: %s\n\tActual: %s", plaintext, result)
}
}
}
}
func TestOpenEnvelopedMessageWithSubjectKeyID(t *testing.T) {
cases := []struct {
cert, pk, envelopedMsg string
}{
{ // case with recipient_policy_requiredSubjectKeyId
cert: `
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
`,
pk: "f043481ce3ba1332cc266ae795f2a41f100e52e47ee560de15d9e014acab35c9",
envelopedMsg: `
-----BEGIN PKCS7-----
MIH9BgoqgRzPVQYBBAIDoIHuMIHrAgECMYGoMIGlAgECgBTQzxkTUAAEsmM6cMzy
yND9nx2w9jANBgkqgRzPVQGCLQMFAAR7MHkCIBKzH9XkTn+cOb8SGcXPk//8pRFC
n13W+AQiZyb9/R53AiEA5U4c+efh30mWd2sXtE1+MrvUUSg8X4nu+VKRze5Oq3gE
IFi6CF7AXjFgt4t7TVxpn0uLMrz3HljWDKkIqsYNOCzsBBB2NSP32EJPrw+rCzO2
z408MDsGCiqBHM9VBgEEAgEwGwYHKoEcz1UBaAQQb88RbJjqyynzqbSgUpQMaYAQ
rwVyRbByCMGE5zrbo6EwAg==
-----END PKCS7-----
`,
},
{ // case with recipient_policy_useSubjectKeyIdExt
cert: `
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
`,
pk: "8f3d7f612401b9fa80ababb603e8e2ae977cc171c75e97b0b103b9db1d7d190e",
envelopedMsg: `
-----BEGIN PKCS7-----
MIH8BgoqgRzPVQYBBAIDoIHtMIHqAgECMYGnMIGkAgECgBS2m2LapHwibk3oObGg
5+JRDnDKPDANBgkqgRzPVQGCLQMFAAR6MHgCIFQQZYPJVXnSibUq87DKTMoHcLLM
brCBPz3RF/3Vp9AZAiAkETF7Gbyv3cg7vt48qPoPs4HH4TDRjpgiQk+8oPCmqAQg
ImgG5JOVBU3aoxeSCotYs3cUwAzWZyEi9pxQY2+3znIEEF0zrswN4wdXae/SelQU
RmgwOwYKKoEcz1UGAQQCATAbBgcqgRzPVQFoBBAZJrpOlPlWo4VvWEpHkGfDgBAV
4QgsbZcB/rIV1btrG0yq
-----END PKCS7-----
`,
},
}
for _, c := range cases {
msgBytes, _ := pem.Decode([]byte(c.envelopedMsg))
p7, err := Parse(msgBytes.Bytes)
if err != nil {
t.Fatalf("cannot Parse encrypted result: %s", err)
}
certificate, err := smx509.ParseCertificatePEM([]byte(c.cert))
if err != nil {
t.Fatalf("cannot Parse certificate: %s", err)
}
sm2pkBytes, _ := hex.DecodeString(c.pk)
sm2pk, err := sm2.NewPrivateKeyFromInt(new(big.Int).SetBytes(sm2pkBytes))
if err != nil {
t.Fatalf("cannot Parse private key: %s", err)
}
result, err := p7.Decrypt(certificate, sm2pk)
if err != nil {
t.Fatalf("cannot Decrypt encrypted result: %s", err)
}
expected := []byte("Hello World!")
if !bytes.Equal(expected, result) {
t.Errorf("encrypted data does not match plaintext:\n\tExpected: %s\n\tActual: %s", expected, result)
}
}
}
func TestEnvelopeMessageCFCA(t *testing.T) {
ciphers := []pkcs.Cipher{
pkcs.SM4,
pkcs.SM4CBC,
}
sigalgs := []x509.SignatureAlgorithm{
smx509.SM2WithSM3,
}
for _, cipher := range ciphers {
for _, sigalg := range sigalgs {
plaintext := []byte("Hello Secret World!")
cert, err := createTestCertificate(sigalg, true)
if err != nil {
t.Fatal(err)
}
encrypted, err := EnvelopeMessageCFCA(cipher, plaintext, []*smx509.Certificate{cert.Certificate})
if err != nil {
t.Fatal(err)
}
pem.Encode(os.Stdout, &pem.Block{Type: "PKCS7", Bytes: encrypted})
p7, err := Parse(encrypted)
if err != nil {
t.Fatalf("cannot Parse encrypted result: %s", err)
}
result, err := p7.Decrypt(cert.Certificate, *cert.PrivateKey)
if err != nil {
t.Fatalf("cannot Decrypt encrypted result: %s", err)
}
if !bytes.Equal(plaintext, result) {
t.Errorf("encrypted data does not match plaintext:\n\tExpected: %s\n\tActual: %s", plaintext, result)
}
}
}
}