Golang shamir.Split函數代碼示例

本文整理匯總了Golang中github.com/hashicorp/vault/shamir.Split函數的典型用法代碼示例。如果您正苦於以下問題：Golang Split函數的具體用法？Golang Split怎麽用？Golang Split使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。

在下文中一共展示了Split函數的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: generateShares

func (c *Core) generateShares(sc *SealConfig) ([]byte, [][]byte, error) {
	// Generate a master key
	masterKey, err := c.barrier.GenerateKey()
	if err != nil {
		return nil, nil, fmt.Errorf("key generation failed: %v", err)
	}

	// Return the master key if only a single key part is used
	var unsealKeys [][]byte
	if sc.SecretShares == 1 {
		unsealKeys = append(unsealKeys, masterKey)
	} else {
		// Split the master key using the Shamir algorithm
		shares, err := shamir.Split(masterKey, sc.SecretShares, sc.SecretThreshold)
		if err != nil {
			return nil, nil, fmt.Errorf("failed to generate shares: %v", err)
		}
		unsealKeys = shares
	}

	// If we have PGP keys, perform the encryption
	if len(sc.PGPKeys) > 0 {
		hexEncodedShares := make([][]byte, len(unsealKeys))
		for i, _ := range unsealKeys {
			hexEncodedShares[i] = []byte(hex.EncodeToString(unsealKeys[i]))
		}
		_, encryptedShares, err := pgpkeys.EncryptShares(hexEncodedShares, sc.PGPKeys)
		if err != nil {
			return nil, nil, err
		}
		unsealKeys = encryptedShares
	}

	return masterKey, unsealKeys, nil
}

開發者ID:hashbrowncipher，項目名稱:vault，代碼行數:35，代碼來源:init.go

示例2: Initialize

// Initialize is used to initialize the Vault with the given
// configurations.
func (c *Core) Initialize(config *SealConfig) (*InitResult, error) {
	// Check if the seal configuraiton is valid
	if err := config.Validate(); err != nil {
		c.logger.Printf("[ERR] core: invalid seal configuration: %v", err)
		return nil, fmt.Errorf("invalid seal configuration: %v", err)
	}

	// Avoid an initialization race
	c.stateLock.Lock()
	defer c.stateLock.Unlock()

	// Check if we are initialized
	init, err := c.Initialized()
	if err != nil {
		return nil, err
	}
	if init {
		return nil, ErrAlreadyInit
	}

	// Encode the seal configuration
	buf, err := json.Marshal(config)
	if err != nil {
		return nil, fmt.Errorf("failed to encode seal configuration: %v", err)
	}

	// Store the seal configuration
	pe := &physical.Entry{
		Key:   coreSealConfigPath,
		Value: buf,
	}
	if err := c.physical.Put(pe); err != nil {
		c.logger.Printf("[ERR] core: failed to write seal configuration: %v", err)
		return nil, fmt.Errorf("failed to write seal configuration: %v", err)
	}

	// Generate a master key
	masterKey, err := c.barrier.GenerateKey()
	if err != nil {
		c.logger.Printf("[ERR] core: failed to generate master key: %v", err)
		return nil, fmt.Errorf("master key generation failed: %v", err)
	}

	// Return the master key if only a single key part is used
	results := new(InitResult)
	if config.SecretShares == 1 {
		results.SecretShares = append(results.SecretShares, masterKey)
	} else {
		// Split the master key using the Shamir algorithm
		shares, err := shamir.Split(masterKey, config.SecretShares, config.SecretThreshold)
		if err != nil {
			c.logger.Printf("[ERR] core: failed to generate shares: %v", err)
			return nil, fmt.Errorf("failed to generate shares: %v", err)
		}
		results.SecretShares = shares
	}

	if len(config.PGPKeys) > 0 {
		encryptedShares, err := pgpkeys.EncryptShares(results.SecretShares, config.PGPKeys)
		if err != nil {
			return nil, err
		}
		results.SecretShares = encryptedShares
	}

	// Initialize the barrier
	if err := c.barrier.Initialize(masterKey); err != nil {
		c.logger.Printf("[ERR] core: failed to initialize barrier: %v", err)
		return nil, fmt.Errorf("failed to initialize barrier: %v", err)
	}
	c.logger.Printf("[INFO] core: security barrier initialized (shares: %d, threshold %d)",
		config.SecretShares, config.SecretThreshold)

	// Unseal the barrier
	if err := c.barrier.Unseal(masterKey); err != nil {
		c.logger.Printf("[ERR] core: failed to unseal barrier: %v", err)
		return nil, fmt.Errorf("failed to unseal barrier: %v", err)
	}

	// Ensure the barrier is re-sealed
	defer func() {
		if err := c.barrier.Seal(); err != nil {
			c.logger.Printf("[ERR] core: failed to seal barrier: %v", err)
		}
	}()

	// Perform initial setup
	if err := c.postUnseal(); err != nil {
		c.logger.Printf("[ERR] core: post-unseal setup failed: %v", err)
		return nil, err
	}

	// Generate a new root token
	rootToken, err := c.tokenStore.RootToken()
	if err != nil {
		c.logger.Printf("[ERR] core: root token generation failed: %v", err)
		return nil, err
	}
//.........這裏部分代碼省略.........

開發者ID:EricMountain，項目名稱:vault，代碼行數:101，代碼來源:core.go

示例3: RekeyUpdate

// RekeyUpdate is used to provide a new key part
func (c *Core) RekeyUpdate(key []byte) (*RekeyResult, error) {
	// Verify the key length
	min, max := c.barrier.KeyLength()
	max += shamir.ShareOverhead
	if len(key) < min {
		return nil, &ErrInvalidKey{fmt.Sprintf("key is shorter than minimum %d bytes", min)}
	}
	if len(key) > max {
		return nil, &ErrInvalidKey{fmt.Sprintf("key is longer than maximum %d bytes", max)}
	}

	// Get the seal configuration
	config, err := c.SealConfig()
	if err != nil {
		return nil, err
	}

	// Ensure the barrier is initialized
	if config == nil {
		return nil, ErrNotInit
	}

	// Ensure we are already unsealed
	c.stateLock.RLock()
	defer c.stateLock.RUnlock()
	if c.sealed {
		return nil, ErrSealed
	}
	if c.standby {
		return nil, ErrStandby
	}

	c.rekeyLock.Lock()
	defer c.rekeyLock.Unlock()

	// Ensure a rekey is in progress
	if c.rekeyConfig == nil {
		return nil, fmt.Errorf("no rekey in progress")
	}

	// Check if we already have this piece
	for _, existing := range c.rekeyProgress {
		if bytes.Equal(existing, key) {
			return nil, nil
		}
	}

	// Store this key
	c.rekeyProgress = append(c.rekeyProgress, key)

	// Check if we don't have enough keys to unlock
	if len(c.rekeyProgress) < config.SecretThreshold {
		c.logger.Printf("[DEBUG] core: cannot rekey, have %d of %d keys",
			len(c.rekeyProgress), config.SecretThreshold)
		return nil, nil
	}

	// Recover the master key
	var masterKey []byte
	if config.SecretThreshold == 1 {
		masterKey = c.rekeyProgress[0]
		c.rekeyProgress = nil
	} else {
		masterKey, err = shamir.Combine(c.rekeyProgress)
		c.rekeyProgress = nil
		if err != nil {
			return nil, fmt.Errorf("failed to compute master key: %v", err)
		}
	}

	// Verify the master key
	if err := c.barrier.VerifyMaster(masterKey); err != nil {
		c.logger.Printf("[ERR] core: rekey aborted, master key verification failed: %v", err)
		return nil, err
	}

	// Generate a new master key
	newMasterKey, err := c.barrier.GenerateKey()
	if err != nil {
		c.logger.Printf("[ERR] core: failed to generate master key: %v", err)
		return nil, fmt.Errorf("master key generation failed: %v", err)
	}

	// Return the master key if only a single key part is used
	results := new(RekeyResult)
	if c.rekeyConfig.SecretShares == 1 {
		results.SecretShares = append(results.SecretShares, newMasterKey)
	} else {
		// Split the master key using the Shamir algorithm
		shares, err := shamir.Split(newMasterKey, c.rekeyConfig.SecretShares, c.rekeyConfig.SecretThreshold)
		if err != nil {
			c.logger.Printf("[ERR] core: failed to generate shares: %v", err)
			return nil, fmt.Errorf("failed to generate shares: %v", err)
		}
		results.SecretShares = shares
	}

	if len(c.rekeyConfig.PGPKeys) > 0 {
		encryptedShares, err := pgpkeys.EncryptShares(results.SecretShares, c.rekeyConfig.PGPKeys)
//.........這裏部分代碼省略.........

開發者ID:EricMountain，項目名稱:vault，代碼行數:101，代碼來源:core.go

示例4: RecoveryRekeyUpdate


//.........這裏部分代碼省略.........

	// Recover the master key
	var masterKey []byte
	if existingConfig.SecretThreshold == 1 {
		masterKey = c.recoveryRekeyProgress[0]
		c.recoveryRekeyProgress = nil
	} else {
		masterKey, err = shamir.Combine(c.recoveryRekeyProgress)
		c.recoveryRekeyProgress = nil
		if err != nil {
			return nil, fmt.Errorf("failed to compute recovery key: %v", err)
		}
	}

	// Verify the recovery key
	if err := c.seal.VerifyRecoveryKey(masterKey); err != nil {
		c.logger.Printf("[ERR] core: rekey aborted, recovery key verification failed: %v", err)
		return nil, err
	}

	// Generate a new master key
	newMasterKey, err := c.barrier.GenerateKey()
	if err != nil {
		c.logger.Printf("[ERR] core: failed to generate recovery key: %v", err)
		return nil, fmt.Errorf("recovery key generation failed: %v", err)
	}

	// Return the master key if only a single key part is used
	results := &RekeyResult{
		Backup: c.recoveryRekeyConfig.Backup,
	}

	if c.recoveryRekeyConfig.SecretShares == 1 {
		results.SecretShares = append(results.SecretShares, newMasterKey)
	} else {
		// Split the master key using the Shamir algorithm
		shares, err := shamir.Split(newMasterKey, c.recoveryRekeyConfig.SecretShares, c.recoveryRekeyConfig.SecretThreshold)
		if err != nil {
			c.logger.Printf("[ERR] core: failed to generate shares: %v", err)
			return nil, fmt.Errorf("failed to generate shares: %v", err)
		}
		results.SecretShares = shares
	}

	if len(c.recoveryRekeyConfig.PGPKeys) > 0 {
		hexEncodedShares := make([][]byte, len(results.SecretShares))
		for i, _ := range results.SecretShares {
			hexEncodedShares[i] = []byte(hex.EncodeToString(results.SecretShares[i]))
		}
		results.PGPFingerprints, results.SecretShares, err = pgpkeys.EncryptShares(hexEncodedShares, c.recoveryRekeyConfig.PGPKeys)
		if err != nil {
			return nil, err
		}

		if c.recoveryRekeyConfig.Backup {
			backupInfo := map[string][]string{}
			for i := 0; i < len(results.PGPFingerprints); i++ {
				encShare := bytes.NewBuffer(results.SecretShares[i])
				if backupInfo[results.PGPFingerprints[i]] == nil {
					backupInfo[results.PGPFingerprints[i]] = []string{hex.EncodeToString(encShare.Bytes())}
				} else {
					backupInfo[results.PGPFingerprints[i]] = append(backupInfo[results.PGPFingerprints[i]], hex.EncodeToString(encShare.Bytes()))
				}
			}

			backupVals := &RekeyBackup{
				Nonce: c.recoveryRekeyConfig.Nonce,
				Keys:  backupInfo,
			}
			buf, err := json.Marshal(backupVals)
			if err != nil {
				c.logger.Printf("[ERR] core: failed to marshal recovery key backup: %v", err)
				return nil, fmt.Errorf("failed to marshal recovery key backup: %v", err)
			}
			pe := &physical.Entry{
				Key:   coreRecoveryUnsealKeysBackupPath,
				Value: buf,
			}
			if err = c.physical.Put(pe); err != nil {
				c.logger.Printf("[ERR] core: failed to save unseal key backup: %v", err)
				return nil, fmt.Errorf("failed to save unseal key backup: %v", err)
			}
		}
	}

	if err := c.seal.SetRecoveryKey(newMasterKey); err != nil {
		c.logger.Printf("[ERR] core: failed to set recovery key: %v", err)
		return nil, fmt.Errorf("failed to set recovery key: %v", err)
	}

	if err := c.seal.SetRecoveryConfig(c.recoveryRekeyConfig); err != nil {
		c.logger.Printf("[ERR] core: error saving rekey seal configuration: %v", err)
		return nil, fmt.Errorf("failed to save rekey seal configuration: %v", err)
	}

	// Done!
	c.recoveryRekeyProgress = nil
	c.recoveryRekeyConfig = nil
	return results, nil
}

開發者ID:hashbrowncipher，項目名稱:vault，代碼行數:101，代碼來源:rekey.go

注：本文中的github.com/hashicorp/vault/shamir.Split函數示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。