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382 lines
13 KiB
Go
382 lines
13 KiB
Go
package softkms
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import (
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"context"
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"crypto"
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"crypto/ecdsa"
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"crypto/ed25519"
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"crypto/elliptic"
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"crypto/rand"
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"crypto/rsa"
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"crypto/x509"
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"encoding/pem"
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"fmt"
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"os"
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"reflect"
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"testing"
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"github.com/smallstep/certificates/kms/apiv1"
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"go.step.sm/crypto/pemutil"
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)
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func TestNew(t *testing.T) {
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type args struct {
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ctx context.Context
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opts apiv1.Options
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}
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tests := []struct {
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name string
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args args
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want *SoftKMS
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wantErr bool
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}{
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{"ok", args{context.Background(), apiv1.Options{}}, &SoftKMS{}, false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got, err := New(tt.args.ctx, tt.args.opts)
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if (err != nil) != tt.wantErr {
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t.Errorf("New() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if !reflect.DeepEqual(got, tt.want) {
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t.Errorf("New() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestSoftKMS_Close(t *testing.T) {
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tests := []struct {
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name string
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wantErr bool
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}{
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{"ok", false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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k := &SoftKMS{}
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if err := k.Close(); (err != nil) != tt.wantErr {
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t.Errorf("SoftKMS.Close() error = %v, wantErr %v", err, tt.wantErr)
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}
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})
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}
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}
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func TestSoftKMS_CreateSigner(t *testing.T) {
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pk, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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if err != nil {
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t.Fatal(err)
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}
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pemBlock, err := pemutil.Serialize(pk)
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if err != nil {
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t.Fatal(err)
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}
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pemBlockPassword, err := pemutil.Serialize(pk, pemutil.WithPassword([]byte("pass")))
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if err != nil {
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t.Fatal(err)
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}
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// Read and decode file using standard packages
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b, err := os.ReadFile("testdata/priv.pem")
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if err != nil {
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t.Fatal(err)
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}
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block, _ := pem.Decode(b)
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block.Bytes, err = x509.DecryptPEMBlock(block, []byte("pass")) //nolint
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if err != nil {
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t.Fatal(err)
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}
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pk2, err := x509.ParseECPrivateKey(block.Bytes)
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if err != nil {
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t.Fatal(err)
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}
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// Create a public PEM
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b, err = x509.MarshalPKIXPublicKey(pk.Public())
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if err != nil {
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t.Fatal(err)
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}
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pub := pem.EncodeToMemory(&pem.Block{
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Type: "PUBLIC KEY",
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Bytes: b,
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})
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type args struct {
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req *apiv1.CreateSignerRequest
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}
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tests := []struct {
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name string
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args args
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want crypto.Signer
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wantErr bool
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}{
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{"signer", args{&apiv1.CreateSignerRequest{Signer: pk}}, pk, false},
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{"pem", args{&apiv1.CreateSignerRequest{SigningKeyPEM: pem.EncodeToMemory(pemBlock)}}, pk, false},
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{"pem password", args{&apiv1.CreateSignerRequest{SigningKeyPEM: pem.EncodeToMemory(pemBlockPassword), Password: []byte("pass")}}, pk, false},
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{"file", args{&apiv1.CreateSignerRequest{SigningKey: "testdata/priv.pem", Password: []byte("pass")}}, pk2, false},
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{"fail", args{&apiv1.CreateSignerRequest{}}, nil, true},
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{"fail bad pem", args{&apiv1.CreateSignerRequest{SigningKeyPEM: []byte("bad pem")}}, nil, true},
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{"fail bad password", args{&apiv1.CreateSignerRequest{SigningKey: "testdata/priv.pem", Password: []byte("bad-pass")}}, nil, true},
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{"fail not a signer", args{&apiv1.CreateSignerRequest{SigningKeyPEM: pub}}, nil, true},
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{"fail not a signer from file", args{&apiv1.CreateSignerRequest{SigningKey: "testdata/pub.pem"}}, nil, true},
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{"fail missing", args{&apiv1.CreateSignerRequest{SigningKey: "testdata/missing"}}, nil, true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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k := &SoftKMS{}
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got, err := k.CreateSigner(tt.args.req)
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if (err != nil) != tt.wantErr {
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t.Errorf("SoftKMS.CreateSigner() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if !reflect.DeepEqual(got, tt.want) {
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t.Errorf("SoftKMS.CreateSigner() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func restoreGenerateKey() func() {
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oldGenerateKey := generateKey
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return func() {
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generateKey = oldGenerateKey
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}
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}
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func TestSoftKMS_CreateKey(t *testing.T) {
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fn := restoreGenerateKey()
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defer fn()
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p256, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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if err != nil {
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t.Fatal(err)
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}
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rsa2048, err := rsa.GenerateKey(rand.Reader, 2048)
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if err != nil {
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t.Fatal(err)
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}
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edpub, edpriv, err := ed25519.GenerateKey(rand.Reader)
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if err != nil {
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t.Fatal(err)
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}
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type args struct {
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req *apiv1.CreateKeyRequest
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}
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type params struct {
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kty string
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crv string
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size int
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}
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tests := []struct {
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name string
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args args
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generateKey func() (interface{}, interface{}, error)
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want *apiv1.CreateKeyResponse
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wantParams params
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wantErr bool
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}{
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{"p256", args{&apiv1.CreateKeyRequest{Name: "p256", SignatureAlgorithm: apiv1.ECDSAWithSHA256}}, func() (interface{}, interface{}, error) {
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return p256.Public(), p256, nil
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}, &apiv1.CreateKeyResponse{Name: "p256", PublicKey: p256.Public(), PrivateKey: p256, CreateSignerRequest: apiv1.CreateSignerRequest{Signer: p256}}, params{"EC", "P-256", 0}, false},
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{"rsa", args{&apiv1.CreateKeyRequest{Name: "rsa3072", SignatureAlgorithm: apiv1.SHA256WithRSA}}, func() (interface{}, interface{}, error) {
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return rsa2048.Public(), rsa2048, nil
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}, &apiv1.CreateKeyResponse{Name: "rsa3072", PublicKey: rsa2048.Public(), PrivateKey: rsa2048, CreateSignerRequest: apiv1.CreateSignerRequest{Signer: rsa2048}}, params{"RSA", "", 0}, false},
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{"rsa2048", args{&apiv1.CreateKeyRequest{Name: "rsa2048", SignatureAlgorithm: apiv1.SHA256WithRSA, Bits: 2048}}, func() (interface{}, interface{}, error) {
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return rsa2048.Public(), rsa2048, nil
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}, &apiv1.CreateKeyResponse{Name: "rsa2048", PublicKey: rsa2048.Public(), PrivateKey: rsa2048, CreateSignerRequest: apiv1.CreateSignerRequest{Signer: rsa2048}}, params{"RSA", "", 2048}, false},
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{"rsaPSS2048", args{&apiv1.CreateKeyRequest{Name: "rsa2048", SignatureAlgorithm: apiv1.SHA256WithRSAPSS, Bits: 2048}}, func() (interface{}, interface{}, error) {
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return rsa2048.Public(), rsa2048, nil
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}, &apiv1.CreateKeyResponse{Name: "rsa2048", PublicKey: rsa2048.Public(), PrivateKey: rsa2048, CreateSignerRequest: apiv1.CreateSignerRequest{Signer: rsa2048}}, params{"RSA", "", 2048}, false},
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{"ed25519", args{&apiv1.CreateKeyRequest{Name: "ed25519", SignatureAlgorithm: apiv1.PureEd25519}}, func() (interface{}, interface{}, error) {
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return edpub, edpriv, nil
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}, &apiv1.CreateKeyResponse{Name: "ed25519", PublicKey: edpub, PrivateKey: edpriv, CreateSignerRequest: apiv1.CreateSignerRequest{Signer: edpriv}}, params{"OKP", "Ed25519", 0}, false},
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{"default", args{&apiv1.CreateKeyRequest{Name: "default"}}, func() (interface{}, interface{}, error) {
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return p256.Public(), p256, nil
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}, &apiv1.CreateKeyResponse{Name: "default", PublicKey: p256.Public(), PrivateKey: p256, CreateSignerRequest: apiv1.CreateSignerRequest{Signer: p256}}, params{"EC", "P-256", 0}, false},
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{"fail algorithm", args{&apiv1.CreateKeyRequest{Name: "fail", SignatureAlgorithm: apiv1.SignatureAlgorithm(100)}}, func() (interface{}, interface{}, error) {
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return p256.Public(), p256, nil
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}, nil, params{}, true},
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{"fail generate key", args{&apiv1.CreateKeyRequest{Name: "fail", SignatureAlgorithm: apiv1.ECDSAWithSHA256}}, func() (interface{}, interface{}, error) {
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return nil, nil, fmt.Errorf("an error")
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}, nil, params{"EC", "P-256", 0}, true},
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{"fail no signer", args{&apiv1.CreateKeyRequest{Name: "fail", SignatureAlgorithm: apiv1.ECDSAWithSHA256}}, func() (interface{}, interface{}, error) {
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return 1, 2, nil
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}, nil, params{"EC", "P-256", 0}, true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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k := &SoftKMS{}
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generateKey = func(kty, crv string, size int) (interface{}, interface{}, error) {
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if tt.wantParams.kty != kty {
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t.Errorf("GenerateKey() kty = %s, want %s", kty, tt.wantParams.kty)
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}
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if tt.wantParams.crv != crv {
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t.Errorf("GenerateKey() crv = %s, want %s", crv, tt.wantParams.crv)
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}
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if tt.wantParams.size != size {
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t.Errorf("GenerateKey() size = %d, want %d", size, tt.wantParams.size)
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}
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return tt.generateKey()
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}
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got, err := k.CreateKey(tt.args.req)
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if (err != nil) != tt.wantErr {
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t.Errorf("SoftKMS.CreateKey() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if !reflect.DeepEqual(got, tt.want) {
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t.Errorf("SoftKMS.CreateKey() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestSoftKMS_GetPublicKey(t *testing.T) {
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b, err := os.ReadFile("testdata/pub.pem")
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if err != nil {
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t.Fatal(err)
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}
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block, _ := pem.Decode(b)
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pub, err := x509.ParsePKIXPublicKey(block.Bytes)
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if err != nil {
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t.Fatal(err)
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}
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type args struct {
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req *apiv1.GetPublicKeyRequest
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}
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tests := []struct {
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name string
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args args
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want crypto.PublicKey
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wantErr bool
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}{
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{"key", args{&apiv1.GetPublicKeyRequest{Name: "testdata/pub.pem"}}, pub, false},
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{"cert", args{&apiv1.GetPublicKeyRequest{Name: "testdata/cert.crt"}}, pub, false},
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{"fail not exists", args{&apiv1.GetPublicKeyRequest{Name: "testdata/missing"}}, nil, true},
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{"fail type", args{&apiv1.GetPublicKeyRequest{Name: "testdata/cert.key"}}, nil, true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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k := &SoftKMS{}
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got, err := k.GetPublicKey(tt.args.req)
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if (err != nil) != tt.wantErr {
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t.Errorf("SoftKMS.GetPublicKey() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if !reflect.DeepEqual(got, tt.want) {
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t.Errorf("SoftKMS.GetPublicKey() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func Test_generateKey(t *testing.T) {
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type args struct {
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kty string
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crv string
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size int
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}
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tests := []struct {
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name string
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args args
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wantType interface{}
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wantType1 interface{}
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wantErr bool
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}{
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{"rsa2048", args{"RSA", "", 0}, &rsa.PublicKey{}, &rsa.PrivateKey{}, false},
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{"rsa2048", args{"RSA", "", 2048}, &rsa.PublicKey{}, &rsa.PrivateKey{}, false},
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{"p256", args{"EC", "P-256", 0}, &ecdsa.PublicKey{}, &ecdsa.PrivateKey{}, false},
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{"ed25519", args{"OKP", "Ed25519", 0}, ed25519.PublicKey{}, ed25519.PrivateKey{}, false},
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{"fail kty", args{"FOO", "", 0}, nil, nil, true},
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{"fail crv", args{"EC", "P-123", 0}, nil, nil, true},
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{"fail size", args{"RSA", "", 1}, nil, nil, true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got, got1, err := generateKey(tt.args.kty, tt.args.crv, tt.args.size)
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if (err != nil) != tt.wantErr {
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t.Errorf("generateKey() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if reflect.TypeOf(got) != reflect.TypeOf(tt.wantType) {
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t.Errorf("generateKey() got = %T, want %T", got, tt.wantType)
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}
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if reflect.TypeOf(got1) != reflect.TypeOf(tt.wantType1) {
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t.Errorf("generateKey() got1 = %T, want %T", got1, tt.wantType1)
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}
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})
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}
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}
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func TestSoftKMS_CreateDecrypter(t *testing.T) {
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privateKey, err := rsa.GenerateKey(rand.Reader, 2048)
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if err != nil {
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t.Fatal(err)
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}
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pemBlock, err := pemutil.Serialize(privateKey)
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if err != nil {
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t.Fatal(err)
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}
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pemBlockPassword, err := pemutil.Serialize(privateKey, pemutil.WithPassword([]byte("pass")))
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if err != nil {
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t.Fatal(err)
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}
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ecdsaPK, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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if err != nil {
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t.Fatal(err)
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}
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ecdsaPemBlock, err := pemutil.Serialize(ecdsaPK)
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if err != nil {
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t.Fatal(err)
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}
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b, err := os.ReadFile("testdata/rsa.priv.pem")
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if err != nil {
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t.Fatal(err)
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}
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block, _ := pem.Decode(b)
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block.Bytes, err = x509.DecryptPEMBlock(block, []byte("pass")) //nolint
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if err != nil {
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t.Fatal(err)
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}
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keyFromFile, err := x509.ParsePKCS1PrivateKey(block.Bytes)
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if err != nil {
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t.Fatal(err)
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}
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type args struct {
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req *apiv1.CreateDecrypterRequest
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}
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tests := []struct {
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name string
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args args
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want crypto.Decrypter
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wantErr bool
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}{
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{"decrypter", args{&apiv1.CreateDecrypterRequest{Decrypter: privateKey}}, privateKey, false},
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{"file", args{&apiv1.CreateDecrypterRequest{DecryptionKey: "testdata/rsa.priv.pem", Password: []byte("pass")}}, keyFromFile, false},
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{"pem", args{&apiv1.CreateDecrypterRequest{DecryptionKeyPEM: pem.EncodeToMemory(pemBlock)}}, privateKey, false},
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{"pem password", args{&apiv1.CreateDecrypterRequest{DecryptionKeyPEM: pem.EncodeToMemory(pemBlockPassword), Password: []byte("pass")}}, privateKey, false},
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{"fail none", args{&apiv1.CreateDecrypterRequest{}}, nil, true},
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{"fail missing", args{&apiv1.CreateDecrypterRequest{DecryptionKey: "testdata/missing"}}, nil, true},
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{"fail bad pem", args{&apiv1.CreateDecrypterRequest{DecryptionKeyPEM: []byte("bad pem")}}, nil, true},
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{"fail bad password", args{&apiv1.CreateDecrypterRequest{DecryptionKeyPEM: pem.EncodeToMemory(pemBlockPassword), Password: []byte("bad-pass")}}, nil, true},
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{"fail not a decrypter (ecdsa key)", args{&apiv1.CreateDecrypterRequest{DecryptionKeyPEM: pem.EncodeToMemory(ecdsaPemBlock)}}, nil, true},
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{"fail not a decrypter from file", args{&apiv1.CreateDecrypterRequest{DecryptionKey: "testdata/rsa.pub.pem"}}, nil, true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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k := &SoftKMS{}
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got, err := k.CreateDecrypter(tt.args.req)
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if (err != nil) != tt.wantErr {
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t.Errorf("SoftKMS.CreateDecrypter(), error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if !reflect.DeepEqual(got, tt.want) {
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t.Errorf("SoftKMS.CreateDecrypter() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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