mirror of
https://github.com/Luzifer/go-openssl.git
synced 2024-10-29 18:59:43 +00:00
349 lines
8.7 KiB
Go
349 lines
8.7 KiB
Go
package openssl
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import (
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"bytes"
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"fmt"
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"os/exec"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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const (
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testPassphrase = "z4yH36a6zerhfE5427ZV" //#nosec G101 -- Is hardcoded passphrase but only for testing purposes
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testPlaintext = "hallowelt"
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)
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var testTable = []struct {
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tName string
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tMdParam string
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tMdFunc CredsGenerator
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tPBKDF bool
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}{
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{"MD5", "md5", BytesToKeyMD5, false},
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{"SHA1", "sha1", BytesToKeySHA1, false},
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{"SHA256", "sha256", BytesToKeySHA256, false},
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{"SHA384", "sha384", BytesToKeySHA384, false},
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{"SHA512", "sha512", BytesToKeySHA512, false},
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{"PBKDF2_MD5", "md5", PBKDF2MD5, true},
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{"PBKDF2_SHA1", "sha1", PBKDF2SHA1, true},
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{"PBKDF2_SHA256", "sha256", PBKDF2SHA256, true},
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{"PBKDF2_SHA384", "sha384", PBKDF2SHA384, true},
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{"PBKDF2_SHA512", "sha512", PBKDF2SHA512, true},
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}
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func TestBinaryEncryptToDecryptWithCustomSalt(t *testing.T) {
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salt := []byte("saltsalt")
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o := New()
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enc, err := o.EncryptBinaryBytesWithSaltAndDigestFunc(testPassphrase, salt, []byte(testPlaintext), BytesToKeySHA256)
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require.NoError(t, err)
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dec, err := o.DecryptBinaryBytes(testPassphrase, enc, BytesToKeySHA256)
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require.NoError(t, err)
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assert.Equal(t, testPlaintext, string(dec))
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}
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func TestBinaryEncryptToDecrypt(t *testing.T) {
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o := New()
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enc, err := o.EncryptBinaryBytes(testPassphrase, []byte(testPlaintext), BytesToKeySHA256)
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require.NoError(t, err)
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dec, err := o.DecryptBinaryBytes(testPassphrase, enc, BytesToKeySHA256)
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require.NoError(t, err)
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assert.Equal(t, testPlaintext, string(dec))
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}
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func TestBinaryEncryptToOpenSSL(t *testing.T) {
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o := New()
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for _, tc := range testTable {
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t.Run(tc.tName, func(t *testing.T) {
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salt, err := o.GenerateSalt()
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require.NoError(t, err)
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enc, err := o.EncryptBinaryBytesWithSaltAndDigestFunc(testPassphrase, salt, []byte(testPlaintext), tc.tMdFunc)
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require.NoError(t, err)
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// Need to specify /dev/stdin as file so that we can pass in binary
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// data to openssl without creating a file
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cmdArgs := []string{
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"openssl", "aes-256-cbc",
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"-d",
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"-pass", fmt.Sprintf("pass:%s", testPassphrase),
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"-md", tc.tMdParam,
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"-in", "/dev/stdin",
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}
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if tc.tPBKDF {
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cmdArgs = append(cmdArgs, "-pbkdf2")
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}
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cmd := exec.Command(cmdArgs[0], cmdArgs[1:]...) //#nosec:G204 -- Hardcoded tests, this is fine
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var out bytes.Buffer
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cmd.Stdout = &out
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cmd.Stdin = bytes.NewBuffer(enc)
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err = cmd.Run()
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require.NoError(t, err)
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assert.Equal(t, testPlaintext, out.String())
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})
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}
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}
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func TestBinaryEncryptWithSaltShouldHaveSameOutput(t *testing.T) {
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plaintext := "outputshouldbesame"
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passphrase := "passphrasesupersecure"
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salt := []byte("saltsalt")
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o := New()
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enc1, err := o.EncryptBinaryBytesWithSaltAndDigestFunc(passphrase, salt, []byte(plaintext), BytesToKeySHA256)
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require.NoError(t, err)
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enc2, err := o.EncryptBinaryBytesWithSaltAndDigestFunc(passphrase, salt, []byte(plaintext), BytesToKeySHA256)
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require.NoError(t, err)
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assert.Equal(t, enc1, enc2)
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}
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func TestDecryptBinaryFromString(t *testing.T) {
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o := New()
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for _, tc := range testTable {
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t.Run(tc.tName, func(t *testing.T) {
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var out bytes.Buffer
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cmdArgs := []string{
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"openssl", "aes-256-cbc",
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"-pass", fmt.Sprintf("pass:%s", testPassphrase),
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"-md", tc.tMdParam,
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"-in", "/dev/stdin",
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}
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if tc.tPBKDF {
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cmdArgs = append(cmdArgs, "-pbkdf2")
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}
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cmd := exec.Command(cmdArgs[0], cmdArgs[1:]...) //#nosec:G204 -- Hardcoded tests, this is fine
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cmd.Stdout = &out
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cmd.Stdin = strings.NewReader(testPlaintext)
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require.NoError(t, cmd.Run())
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data, err := o.DecryptBinaryBytes(testPassphrase, out.Bytes(), tc.tMdFunc)
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require.NoError(t, err)
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if !assert.Equal(t, testPlaintext, string(data)) {
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t.Logf("Data: %s\nPlaintext: %s", string(data), testPlaintext)
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}
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})
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}
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}
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func TestDecryptFromString(t *testing.T) {
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o := New()
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for _, tc := range testTable {
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t.Run(tc.tName, func(t *testing.T) {
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var out bytes.Buffer
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cmdArgs := []string{
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"openssl", "aes-256-cbc",
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"-base64",
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"-pass", fmt.Sprintf("pass:%s", testPassphrase),
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"-md", tc.tMdParam,
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}
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if tc.tPBKDF {
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cmdArgs = append(cmdArgs, "-pbkdf2")
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}
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cmd := exec.Command(cmdArgs[0], cmdArgs[1:]...) //#nosec:G204 -- Hardcoded tests, this is fine
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cmd.Stdout = &out
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cmd.Stdin = strings.NewReader(testPlaintext)
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require.NoError(t, cmd.Run())
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data, err := o.DecryptBytes(testPassphrase, out.Bytes(), tc.tMdFunc)
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require.NoError(t, err)
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if !assert.Equal(t, testPlaintext, string(data)) {
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t.Logf("Data: %s\nPlaintext: %s", string(data), testPlaintext)
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}
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})
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}
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}
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func TestEncryptToDecrypt(t *testing.T) {
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o := New()
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enc, err := o.EncryptBytes(testPassphrase, []byte(testPlaintext), BytesToKeySHA256)
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require.NoError(t, err)
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dec, err := o.DecryptBytes(testPassphrase, enc, BytesToKeySHA256)
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require.NoError(t, err)
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assert.Equal(t, testPlaintext, string(dec))
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}
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func TestEncryptToDecryptWithCustomSalt(t *testing.T) {
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salt := []byte("saltsalt")
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o := New()
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enc, err := o.EncryptBytesWithSaltAndDigestFunc(testPassphrase, salt, []byte(testPlaintext), BytesToKeySHA256)
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require.NoError(t, err)
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dec, err := o.DecryptBytes(testPassphrase, enc, BytesToKeySHA256)
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require.NoError(t, err)
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assert.Equal(t, testPlaintext, string(dec))
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}
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func TestEncryptToOpenSSL(t *testing.T) {
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for _, tc := range testTable {
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t.Run(tc.tName, func(t *testing.T) {
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o := New()
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salt, err := o.GenerateSalt()
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require.NoError(t, err)
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enc, err := o.EncryptBytesWithSaltAndDigestFunc(testPassphrase, salt, []byte(testPlaintext), tc.tMdFunc)
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require.NoError(t, err)
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enc = append(enc, '\n')
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var out bytes.Buffer
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cmdArgs := []string{
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"openssl", "aes-256-cbc",
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"-base64", "-d",
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"-pass", fmt.Sprintf("pass:%s", testPassphrase),
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"-md", tc.tMdParam,
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"-in", "/dev/stdin",
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}
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if tc.tPBKDF {
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cmdArgs = append(cmdArgs, "-pbkdf2")
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}
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cmd := exec.Command(cmdArgs[0], cmdArgs[1:]...) //#nosec:G204 -- Hardcoded tests, this is fine
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cmd.Stdout = &out
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cmd.Stdin = bytes.NewReader(enc)
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require.NoError(t, cmd.Run())
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assert.Equal(t, testPlaintext, out.String())
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})
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}
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}
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func TestEncryptWithSaltShouldHaveSameOutput(t *testing.T) {
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plaintext := "outputshouldbesame"
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passphrase := "passphrasesupersecure"
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salt := []byte("saltsalt")
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o := New()
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enc1, err := o.EncryptBytesWithSaltAndDigestFunc(passphrase, salt, []byte(plaintext), BytesToKeySHA256)
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require.NoError(t, err)
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enc2, err := o.EncryptBytesWithSaltAndDigestFunc(passphrase, salt, []byte(plaintext), BytesToKeySHA256)
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require.NoError(t, err)
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assert.Equal(t, enc1, enc2)
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}
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func TestGenerateSalt(t *testing.T) {
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knownSalts := [][]byte{}
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o := New()
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for i := 0; i < 1000; i++ {
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salt, err := o.GenerateSalt()
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require.NoError(t, err)
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for _, ks := range knownSalts {
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assert.NotEqual(t, ks, salt)
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knownSalts = append(knownSalts, salt)
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}
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}
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}
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func TestSaltValidation(t *testing.T) {
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var err error
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o := New()
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_, err = o.EncryptBytesWithSaltAndDigestFunc(testPassphrase, []byte("12345"), []byte(testPlaintext), BytesToKeySHA256)
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assert.ErrorIs(t, err, ErrInvalidSalt)
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_, err = o.EncryptBytesWithSaltAndDigestFunc(testPassphrase, []byte("1234567890"), []byte(testPlaintext), BytesToKeySHA256)
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assert.ErrorIs(t, err, ErrInvalidSalt)
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_, err = o.EncryptBytesWithSaltAndDigestFunc(testPassphrase, []byte{0xcb, 0xd5, 0x1a, 0x3, 0x84, 0xba, 0xa8, 0xc8}, []byte(testPlaintext), BytesToKeySHA256)
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assert.NoError(t, err)
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}
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//
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// Benchmarks
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//
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func benchmarkDecrypt(ciphertext []byte, cg CredsGenerator, b *testing.B) {
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o := New()
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for n := 0; n < b.N; n++ {
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_, err := o.DecryptBytes(testPassphrase, ciphertext, cg)
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require.NoError(b, err)
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}
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}
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func BenchmarkDecryptMD5(b *testing.B) {
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benchmarkDecrypt([]byte("U2FsdGVkX19ZM5qQJGe/d5A/4pccgH+arBGTp+QnWPU="), BytesToKeyMD5, b)
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}
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func BenchmarkDecryptSHA1(b *testing.B) {
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benchmarkDecrypt([]byte("U2FsdGVkX1/Yy9kegseq2Ewd4UvjFYCpIEA1cltTA1Q="), BytesToKeySHA1, b)
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}
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func BenchmarkDecryptSHA256(b *testing.B) {
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benchmarkDecrypt([]byte("U2FsdGVkX1+O68d7BO9ibP8nB5+xtb/27IHlyjJWpl8="), BytesToKeySHA256, b)
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}
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func benchmarkEncrypt(plaintext string, cg CredsGenerator, b *testing.B) {
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o := New()
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salt, _ := o.GenerateSalt()
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for n := 0; n < b.N; n++ {
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_, err := o.EncryptBytesWithSaltAndDigestFunc(testPassphrase, salt, []byte(plaintext), cg)
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require.NoError(b, err)
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}
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}
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func BenchmarkEncryptMD5(b *testing.B) {
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benchmarkEncrypt(testPlaintext, BytesToKeyMD5, b)
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}
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func BenchmarkEncryptSHA1(b *testing.B) {
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benchmarkEncrypt(testPlaintext, BytesToKeySHA1, b)
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}
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func BenchmarkEncryptSHA256(b *testing.B) {
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benchmarkEncrypt(testPlaintext, BytesToKeySHA256, b)
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}
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func BenchmarkGenerateSalt(b *testing.B) {
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o := New()
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for n := 0; n < b.N; n++ {
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_, err := o.GenerateSalt()
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require.NoError(b, err)
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}
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}
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