Pseudorandom function (PRF). More...

Public Types
enum class	PrfAlg
	Pseudorandom function (PRF) algorithm. More...

Static Public Member Functions
static bvec_t	Bytes (int numBytes, const bvec_t &message, const bvec_t &key, PrfAlg prfalg, const std::string &customStr="")
	Generate output bytes using a pseudorandom function (PRF). More...

Detailed Description

Pseudorandom function (PRF).

Member Enumeration Documentation

strong

Pseudorandom function (PRF) algorithm.

Enumerator
Kmac128	KMAC128 as per NIST SP 800-185.
Kmac256	KMAC256 as per NIST SP 800-185.

static

Generate output bytes using a pseudorandom function (PRF).

Parameters

numBytes	Required number of output bytes.
message	Input message data.
key	Key in byte array.
prfalg	PRF algorithm.
customStr	Customization string (optional)

Returns: Output data in byte array.
cout << dipki::Cnv::ToHex(dipki::Prf::Bytes(256 / 8, dipki::Cnv::FromHex("00010203"),

dipki::Cnv::FromHex("404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F"),

dipki::Prf::PrfAlg::Kmac128)) << endl;

// E5780B0D3EA6F7D3A429C5706AA43A00FADBD7D49628839E3187243F456EE14E

dipki::Cnv::ToHex
static std::string ToHex(const bvec_t &bv)
Encodes an array of bytes as a hexadecimal-encoded string.

dipki::Cnv::FromHex
static bvec_t FromHex(const std::string &s)
Decodes a hexadecimal-encoded string as an array of bytes.

dipki::Prf::PrfAlg::Kmac128
@ Kmac128
KMAC128 as per NIST SP 800-185.

dipki::Prf::Bytes
static bvec_t Bytes(int numBytes, const bvec_t &message, const bvec_t &key, PrfAlg prfalg, const std::string &customStr="")
Generate output bytes using a pseudorandom function (PRF).