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Example code of furqansiddiqui/bip39-mnemonic-php

Informations about the package bip39-mnemonic-php

BIP39 Mnemonic

Mnemonic BIP39 implementation in PHP

Installation

Prerequisite

Composer

composer require furqansiddiqui/bip39-mnemonic-php

Generating a Secure Mnemonic

Generate a mnemonic using a secure PRNG implementation.

BIP39::fromRandom

Argument Type Description
$wordList AbstractLanguage Langage instance for wordlist
$wordCount int Number of words (12-24)

Returns instance of Mnemonic class.

Example:

Entropy to Mnemonic

Generate mnemonic codes from given entropy

BIP39::fromRandom

Argument Type Description
$entropy AbstractByteArray Entropy
$wordList AbstractLanguage Langage instance for wordlist

Returns instance of Mnemonic class.

Example:

Mnemonic sentence/Words to Mnemonic

Generate entropy from mnemonic codes

BIP39::fromWords

Argument Type Description
$words Array\ Array of mnemonic codes
$wordList AbstractLanguage Langage instance for wordlist
$verifyChecksum bool Defaults to TRUE, computes and verifies checksum as per BIP39 spec.

Returns instance of Mnemonic class.

Example:

Mnemonic Class

readonly class Mnemonic

This lib will create this Mnemonic object as a result:

Property Type Description
language string Language name (as it was passed to constructor of wordlist class)
words Array\ Mnemonic codes
wordsIndex Array\ Position/index # of each mnemonic code corresponding to wordlist used
wordsCount int Number of mnemonic codes (i.e. 12, 15, 18, 21 or 24)
entropy string Entropy in hexadecimal encoding

Generating Seed with Passphrase

Mnemonic->generateSeed

Generates seed from a mnemonic as per BIP39 specifications.

Argument Type Description
$passphrase string Defaults to empty string ("")
$bytes int Number of bytes to return, defaults to 64.

Returns:

Type Description
string Returns computed PBKDF2 hash in RAW BINARY as string

Generate non-english mnemonic codes

Check AbstractLanguage and AbstractLanguageFile classes. English class has all 2048 words pre-loaded instead of reading from a local file every time. To implement other languages or custom set of 2048 words, check ChineseWords.php file in tests directory for example of implementation.

and then use in place of AbstractLanguage where required:

Test Vectors

Include PHPUnit tests for all test vectors mentioned in official BIP-0039 specification. Use following command to execute all tests using phpunit.phar

All versions of bip39-mnemonic-php with dependencies

PHP Build Version
Package Version
Requires php-64bit Version ^8.2
ext-mbstring Version *
charcoal-dev/buffers Version ^0.1.0
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