/**
 * Some useful function for cryptography
 */
export interface CryptoSupport {
    /**
     * SHA-1 digest builder
     */
    sha1(): DigestBuilder;
    /**
     * SHA-256 digest builder
     */
    sha256(): DigestBuilder;
    /**
     * SHA-384 digest builder
     */
    sha384(): DigestBuilder;
    /**
     * SHA-512 digest builder
     */
    sha512(): DigestBuilder;
    /**
     * MD-5 digest builder
     */
    md5(): DigestBuilder;
    /**
     * API for hmac
     */
    hmac: HmacSupport;
}
/**
 * Builder for digests.
 * Sequential calls of `update*` methods append bytes to result message.
 */
export interface DigestBuilder {
    /**
     * Append data presented as text
     * @param textInput data for appending to message
     * @param encoding encoding for decoding text to bytes. By default, UTF-8
     */
    updateWithText(textInput: string, encoding?: string): DigestBuilder;
    /**
     * Append data presented as 16-radix HEX text
     * @param hexInput data for appending to message
     */
    updateWithHex(hexInput: string): DigestBuilder;
    /**
     * Append data presented as Base64 encoded text
     * @param base64Input data for appending to message
     * @param urlSafe is `base64Input` encoded as urlSafe Base64 variant. By default, false
     */
    updateWithBase64(base64Input: string, urlSafe?: boolean): DigestBuilder;
    /**
     * Constructs digest from containing message.
     */
    digest(): Digest;
}
/**
 * Object containing bytes of digest
 */
export interface Digest {
    /**
     * Returns bytes encoded as 16-radix HEX string
     */
    toHex(): string;
    /**
     * Returns bytes encoded as Base64 string
     * @param urlSafe if true, will be used url-safe variant of Base64. By default, false
     */
    toBase64(urlSafe?: boolean): string;
}
/**
 * API for HMAC
 */
export interface HmacSupport {
    /**
     * SHA-1 HMAC builder
     */
    sha1(): HmacInitializer;
    /**
     * SHA-256 HMAC builder
     */
    sha256(): HmacInitializer;
    /**
     * SHA-384 HMAC builder
     */
    sha384(): HmacInitializer;
    /**
     * SHA-512 HMAC builder
     */
    sha512(): HmacInitializer;
    /**
     * MD-5 HMAC builder
     */
    md5(): HmacInitializer;
}
/**
 * Object for initializing HMAC with private key (secret).
 */
export interface HmacInitializer {
    /**
     * Initializes HMAC with secret presented as text. Converts to bytes using encoding
     * @param textSecret HMAC secret
     * @param encoding encoding for decoding text. By default, UTF-8
     */
    withTextSecret(textSecret: string, encoding?: string): DigestBuilder;
    /**
     * Initializes HMAC with secret presented as 16-radix HEX string.
     * @param hexSecret HMAC secret
     */
    withHexSecret(hexSecret: string): DigestBuilder;
    /**
     * Initializes HMAC with secret presented as Base64 string.
     * @param base64Secret HMAC secret
     * @param urlSafe is `base64Secret` encoded using urlSafe Base64-variant. By default, false
     */
    withBase64Secret(base64Secret: string, urlSafe?: string): DigestBuilder;
}