IOTA::Crypto::Signing Namespace Reference

Functions
std::vector< uint8_t >	key (const std::vector< uint8_t > &seedBytes, uint32_t index=0, uint32_t security=2)
std::vector< uint8_t >	digests (const std::vector< uint8_t > &keyBytes)
std::vector< uint8_t >	address (const std::vector< uint8_t > &digests)
std::vector< uint8_t >	digest (const std::vector< int8_t > &normalizedBundleFragment, const std::vector< uint8_t > &signatureFragment)
Types::Trits	signatureFragment (const std::vector< int8_t > &normalizedBundleFragment, const Types::Trits &keyFragment)
std::vector< Types::Trytes >	signInputs (const Models::Seed &seed, const std::vector< Models::Address > &inputs, Models::Bundle &bundle, const std::vector< Types::Trytes > &signatureFragments)
bool	validateSignatures (const Models::Address &expectedAddress, const std::vector< Types::Trytes > &signatureFragments, const Types::Trytes &bundleHash)

Detailed Description

Signing related functions.

Function Documentation

address()

std::vector<uint8_t> IOTA::Crypto::Signing::address

(

const std::vector< uint8_t > &

digests

)

Compute address from digests.

Parameters

digests

The digests.

Returns

The address.

digest()

std::vector<uint8_t> IOTA::Crypto::Signing::digest	(	const std::vector< int8_t > &	normalizedBundleFragment,
		const std::vector< uint8_t > &	signatureFragment
	)

Compute hash x normalizedBundleFragment[i] for each fragment in the signature.

Parameters

normalizedBundleFragment	The bundle fragment.
signatureFragment	The signature fragment.

Returns

The digest.

digests()

std::vector<uint8_t> IOTA::Crypto::Signing::digests

(

const std::vector< uint8_t > &

keyBytes

)

Compute digests from key.

Parameters

keyBytes

The key in bytes.

Returns

The digests.

key()

std::vector<uint8_t> IOTA::Crypto::Signing::key	(	const std::vector< uint8_t > &	seedBytes,
		uint32_t	index = 0,
		uint32_t	security = 2
	)

Derive a private key from a seed.

Parameters

seedBytes	Seed in bytes to be used for address generation.
index	The index to start the generation from.
security	The security to use for address generation.

Returns

The key as bytes.

signatureFragment()

Types::Trits IOTA::Crypto::Signing::signatureFragment	(	const std::vector< int8_t > &	normalizedBundleFragment,
		const Types::Trits &	keyFragment
	)

Compute signature from bundle fragment and key fragment.

Parameters

normalizedBundleFragment	The bundle fragment.
keyFragment	The key fragment.

Returns

The signature fragment.

validateSignatures()

bool IOTA::Crypto::Signing::validateSignatures	(	const Models::Address &	expectedAddress,
		const std::vector< Types::Trytes > &	signatureFragments,
		const Types::Trytes &	bundleHash
	)

Validate signature fragments.

Parameters

expectedAddress	The expected address.
signatureFragments	The signature fragments.
bundleHash	The bundle hash.

Returns

whether signature fragment are valid or not.