/**
 * Specifies the symmetric encryption algorithm for generating a data key.
 *
 * @type
 */
export type KeySpec = 'AES_128' | 'AES_256';
/**
 * Specifies the asymmetric encryption algorithm for generating a data key pair.
 *
 * @type
 */
export type KeyPairSpec = 'RSA_2048' | 'RSA_3072' | 'RSA_4096';
/**
 * Type definition of KMS Config common to all
 *
 * @interface
 */
export interface CommonKmsConfig {
    /**
     * Symmetric encryption algorithm for which the data key is to be generated.
     */
    KEY_SPEC?: KeySpec;
    /**
     * Asymmetric encryption algorithm for which the data key pair is to be generated.
     */
    KEY_PAIR_SPEC?: KeyPairSpec;
    /**
     * String format of the input/output keys.
     */
    KEY_FORMAT?: BufferEncoding;
    /**
     * String format of plain text when encrypting/decrypting.
     */
    PLAIN_TEXT_FORMAT?: BufferEncoding;
    /**
     * String format of cipher text when encrypting/decrypting.
     */
    CIPHER_TEXT_FORMAT?: BufferEncoding;
}
/**
 * Type definition of input config to {@link NodeKms} class
 *
 * @interface
 * @extends {CommonKmsConfig}
 */
export interface NodeKmsConfig extends CommonKmsConfig {
    /**
     * Master key to be used for encrypting/decrypting
     */
    MASTER_KEY_HEX?: string;
    /**
     * Master IV to be used for encrypting/decrypting
     */
    MASTER_IV_HEX?: string;
}
/**
 * Type definition of the config object processed by {@link NodeKms} class
 *
 * @interface
 * @extends {NodeKmsConfig}
 */
export interface NodeKmsExtendedConfig extends NodeKmsConfig {
    /**
     * Symmetric encryption algorithm for generateDataKey()
     */
    KEY_ALGO: 'aes' | 'hmac';
    /**
     * Key length of symmetric encryption algorithm for generateDataKey()
     */
    KEY_LENGTH: number;
    /**
     * Aymmetric encryption algorithm for generateDataKeyPair()
     */
    KEY_PAIR_ALGO: 'rsa';
    /**
     * Key length of asymmetric encryption algorithm for generateDataKeyPair()
     */
    KEY_PAIR_LENGTH: number;
    /**
     * Uint8Array of MASTER_KEY_HEX
     */
    MASTER_KEY_UINT8: Uint8Array;
    /**
     * Uint8Array of MASTER_IV_HEX
     */
    MASTER_IV_UINT8: Uint8Array;
}
/**
 * Type definition of input config to {@link AwsKms} class
 *
 * @interface
 * @extends {CommonKmsConfig}
 */
export interface AwsKmsConfig extends CommonKmsConfig {
    /**
     * AWS Key ID or AWS Key Alias to be used when `TYPE = 'AWS'`. If Key alias is to be used, it should be defined as `alias/{aliasName}`.
     */
    AWS_KEY_ID?: string;
    /**
     * Configurations for aws-sdk's KMSClient class
     */
    AWS_CONNECTION_CONFIG?: {
        /**
         * AWS region of KMS
         */
        region: string;
    };
}
/**
 * Type definition of config object for Kms Class
 *
 * @interface
 */
export interface KmsConfig {
    /**
     * Key to identify if KMS is enabled or not.
     *
     * Note: This is not required to be passed in the Kms Class and is rather used internally when reading values from `process.env`.
     * @default false
     */
    ENABLED?: boolean;
    /**
     * The type of KMS to be used when methods are executed
     *
     * Note: This value is read from `process.env.KMS_TYPE` if this key is not set in the object passed to Kms Class.
     */
    TYPE: 'AWS' | 'NODE' | string;
    /**
     * Symmetric encryption algorithm for which the data key is to be generated.
     *
     * Note: This value is read from `process.env.KEY_SPEC` if this key is not set in the object passed to Kms Class.
     * @default "AES_256"
     */
    KEY_SPEC?: KeySpec;
    /**
     * Asymmetric encryption algorithm for which the data key pair is to be generated.
     *
     * Note: This value is read from `process.env.KEY_PAIR_SPEC` if this key is not set in the object passed to Kms Class.
     * @default "RSA_2048"
     */
    KEY_PAIR_SPEC?: KeyPairSpec;
    /**
     * String format of the input/output keys.
     *
     * Note: This value is read from `process.env.KEY_FORMAT` if this key is not set in the object passed to Kms Class.
     * @default "base64"
     */
    KEY_FORMAT?: BufferEncoding;
    /**
     * String format of plain text when encrypting/decrypting.
     *
     * Note: This value is read from `process.env.PLAIN_TEXT_FORMAT` if this key is not set in the object passed to Kms Class.
     * @default "utf8"
     */
    PLAIN_TEXT_FORMAT?: BufferEncoding;
    /**
     * String format of cipher text when encrypting/decrypting.
     *
     * Note: This value is read from `process.env.CIPHER_TEXT_FORMAT` if this key is not set in the object passed to Kms Class.
     * @default "base64"
     */
    CIPHER_TEXT_FORMAT?: BufferEncoding;
    /**
     * Master key to be used for encrypting/decrypting when `TYPE = 'NODE'`.
     *
     * Note: This value is read from `process.env.MASTER_KEY_HEX` if this key is not set in the object passed to Kms Class.
     * @default "0000000000000000000000000000000000000000000000000000000000000000"
     */
    MASTER_KEY_HEX?: string;
    /**
     * Master IV to be used for encrypting/decrypting when `TYPE = 'NODE'`.
     *
     * Note: This value is read from `process.env.MASTER_IV_HEX` if this key is not set in the object passed to Kms Class.
     * @default "00000000000000000000000000000000"
     */
    MASTER_IV_HEX?: string;
    /**
     * AWS Key ID or AWS Key Alias to be used when `TYPE = 'AWS'`. If Key alias is to be used, it should be defined as `alias/{aliasName}`.
     *
     * Note: This is mandatory if `TYPE = 'AWS'`.
     *
     * Note: This value is read from `process.env.AWS_KEY_ID` if this key is not set in the object passed to Kms Class.
     */
    AWS_KEY_ID?: string;
    /**
     * Configurations for aws-sdk's KMSClient class.
     */
    AWS_CONNECTION_CONFIG?: {
        /**
         * AWS region of KMS when `TYPE = 'AWS'`.
         *
         * Note: This value is read from `process.env.KMS_AWS_REGION` if this key is not set in the object passed to Kms Class.
         * @default "ap-south-1"
         */
        region: string;
    };
}
/**
 * Type definition of options object for encryption and decryption
 *
 * @interface
 */
export interface EncryptDecryptOptions {
    /**
     * String format of cipher text
     */
    cipherTextFormat?: BufferEncoding;
    /**
     * String format of plain text
     */
    plainTextFormat?: BufferEncoding;
}
/**
 * Type definition of the returned value of generateDataKey()
 *
 * @interface
 */
export interface DataKeyObject {
    /**
     * Data key string in key format as defined in KmsConfig
     */
    dataKey: string;
    /**
     * Encrypted data key string in key format as defined in KmsConfig
     */
    encryptedDataKey: string;
}
/**
 * Type definition of the returned value of generateDataKeyPair()
 *
 * @interface
 */
export interface DataKeyPairObject {
    /**
     * Private key string in key format as defined in KmsConfig
     */
    privateKey: string;
    /**
     * Public key string in key format as defined in KmsConfig
     */
    publicKey: string;
    /**
     * Encrypted private key string in key format as defined in KmsConfig
     */
    encryptedPrivateKey: string;
}
/**
 * Type defination for error map to be passed to KmsErrorMap.
 *
 * @interface
 */
export interface KmsErrorMap {
    /**
     * Overriding message string for KmsError instance
     */
    message?: string;
    /**
     * Overriding error code string for KmsError instance
     */
    errorCode?: string;
    /**
     * Overriding HTTP status code for KmsError instance
     */
    statusCode?: number;
}
declare global {
    /** @ignore */
    interface Console {
        success?(...data: any[]): void;
        fatal?(...data: any[]): void;
    }
}