signature.hpp File Reference

NDN signature types and constants. More...

#include <cstddef>
#include <cstdint>

Go to the source code of this file.

Enumerations
enum class	ndn::SignatureType : uint8_t {   DigestSha256 = 0 , SignatureSha256WithRsa = 1 , SignatureSha256WithEcdsa = 3 , SignatureHmacWithSha256 = 4 ,   SignatureEd25519 = 5 }
	Signature type. More...

Functions
constexpr const char *	ndn::signatureTypeToString (SignatureType type)
	Convert signature type to string.

Variables
Signature size constants
constexpr size_t	ndn::SHA256_DIGEST_SIZE = 32
	SHA-256 digest size (bytes)
constexpr size_t	ndn::HMAC_SHA256_SIZE = 32
	HMAC-SHA256 size (bytes)
constexpr size_t	ndn::ECDSA_P256_SIG_MAX_SIZE = 72
	ECDSA P-256 signature max size (DER format)
constexpr size_t	ndn::ED25519_SIG_SIZE = 64
	Ed25519 signature size (bytes)
constexpr size_t	ndn::RSA_2048_SIG_SIZE = 256
	RSA-2048 signature size (bytes)
constexpr size_t	ndn::SIGNATURE_MAX_SIZE = 72
	Maximum signature size (for ECDSA P-256, embedded)
Public key size constants
constexpr size_t	ndn::ECDSA_P256_PUBKEY_SIZE = 65
	ECDSA P-256 public key size (uncompressed form)
constexpr size_t	ndn::ECDSA_P256_PRIVKEY_SIZE = 32
	ECDSA P-256 private key size.
constexpr size_t	ndn::ED25519_PUBKEY_SIZE = 32
	Ed25519 public key size.
constexpr size_t	ndn::ED25519_PRIVKEY_SIZE = 32
	Ed25519 private key size.

Detailed Description

NDN signature types and constants.

Defines types and constants related to NDN packet signatures.

See also

https://docs.named-data.net/NDN-packet-spec/current/signature.html

Definition in file signature.hpp.

Enumeration Type Documentation

SignatureType

enum class ndn::SignatureType : uint8_t

strong

Signature type.

Represents signature algorithms defined in the NDN specification.

Enumerator
DigestSha256	SHA-256 digest (integrity only)
SignatureSha256WithRsa	RSA signature (PKCS#1 v1.5)
SignatureSha256WithEcdsa	ECDSA signature.
SignatureHmacWithSha256	HMAC-SHA256 (shared key)
SignatureEd25519	Ed25519 signature.

Definition at line 22 of file signature.hpp.

Function Documentation

signatureTypeToString()

constexpr const char * ndn::signatureTypeToString ( SignatureType  type )

constexpr

Convert signature type to string.

Parameters

type	Signature type

Returns

String representation of the signature type

Definition at line 55 of file signature.hpp.

References ndn::signatureTypeToString().

Referenced by ndn::signatureTypeToString().

Variable Documentation

ECDSA_P256_PRIVKEY_SIZE

constexpr size_t ndn::ECDSA_P256_PRIVKEY_SIZE = 32

constexpr

ECDSA P-256 private key size.

Definition at line 45 of file signature.hpp.

Referenced by ndn::crypto::ecdsaP256GenerateKeyPair(), and ndn::crypto::ecdsaP256Sign().

ECDSA_P256_PUBKEY_SIZE

constexpr size_t ndn::ECDSA_P256_PUBKEY_SIZE = 65

constexpr

ECDSA P-256 public key size (uncompressed form)

Definition at line 44 of file signature.hpp.

Referenced by ndn::crypto::ecdsaP256GenerateKeyPair(), and ndn::crypto::ecdsaP256Verify().

ECDSA_P256_SIG_MAX_SIZE

constexpr size_t ndn::ECDSA_P256_SIG_MAX_SIZE = 72

constexpr

ECDSA P-256 signature max size (DER format)

Definition at line 35 of file signature.hpp.

Referenced by ndn::crypto::ecdsaP256Sign(), ndn::Data::verifyEcdsa(), and ndn::Interest::verifyEcdsa().

ED25519_PRIVKEY_SIZE

constexpr size_t ndn::ED25519_PRIVKEY_SIZE = 32

constexpr

Ed25519 private key size.

Definition at line 47 of file signature.hpp.

ED25519_PUBKEY_SIZE

constexpr size_t ndn::ED25519_PUBKEY_SIZE = 32

constexpr

Ed25519 public key size.

Definition at line 46 of file signature.hpp.

ED25519_SIG_SIZE

constexpr size_t ndn::ED25519_SIG_SIZE = 64

constexpr

Ed25519 signature size (bytes)

Definition at line 36 of file signature.hpp.

HMAC_SHA256_SIZE

constexpr size_t ndn::HMAC_SHA256_SIZE = 32

constexpr

HMAC-SHA256 size (bytes)

Definition at line 34 of file signature.hpp.

Referenced by ndn::Certificate::signWithHmac(), ndn::Data::signWithHmac(), ndn::Interest::signWithHmac(), ndn::Certificate::verifyHmac(), ndn::Data::verifyHmac(), and ndn::Interest::verifyHmac().

RSA_2048_SIG_SIZE

constexpr size_t ndn::RSA_2048_SIG_SIZE = 256

constexpr

RSA-2048 signature size (bytes)

Definition at line 37 of file signature.hpp.

SHA256_DIGEST_SIZE

constexpr size_t ndn::SHA256_DIGEST_SIZE = 32

constexpr

SHA-256 digest size (bytes)

Definition at line 33 of file signature.hpp.

Referenced by ndn::crypto::ecdsaP256Sign(), ndn::crypto::ecdsaP256Verify(), ndn::Certificate::signWithDigestSha256(), ndn::Data::signWithDigestSha256(), ndn::Interest::signWithDigestSha256(), ndn::Certificate::verifyDigestSha256(), ndn::Data::verifyDigestSha256(), and ndn::Interest::verifyDigestSha256().

SIGNATURE_MAX_SIZE

constexpr size_t ndn::SIGNATURE_MAX_SIZE = 72

constexpr

Maximum signature size (for ECDSA P-256, embedded)

Definition at line 38 of file signature.hpp.

Referenced by ndn::Certificate::fromData(), ndn::Data::fromWire(), and ndn::Interest::fromWire().