Libraries tagged by gmp

Pure-PHP arbitrary precission integer arithmetic library. If GMP or BCMath are available they are used.

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An opensource library to handle immutable big numbers inside PHP applications

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A Guzzle middleware to log request and responses automatically

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Common interface for php_gmp and php_bcmath modules

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An object oriented immutable arbitrary-precision arithmetic library for PHP

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Phactor is a high-performance PHP implementation of the elliptic curve math functions required to generate & verify private/public (asymmetric) EC keypairs and ECDSA signatures based on secp256k1 curve parameters. This library also includes a class to generate Service Identification Numbers (SINs) based on the published Identity Protocol v1 spec.

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AzaMath - Anizoptera CMF mathematic component. Arbitrary precision arithmetic (for huge integers; BCMath wrapper) and universal convertor between positional numeral systems (supported bases from 2 to 62 inclusive, and systems with custom alphabet; pure PHP realisation, can use GMP and core PHP functions for speed optimization).

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A simple class to derive BTC and ETH extended public keys and addresses without GMP.

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secp256k1 elliptic-curve arithmetic + RFC 6979 deterministic ECDSA sign / verify / recover in pure PHP on ext-gmp.

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Pure-PHP polyfill for the GMP extension, backed by brick/math

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gmp-based arbitrary precision operations on currency amounts "XXX.YY"; because floats are BAD for representing money

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Arbitrary-precision integer and decimal arithmetic for the ez-php ecosystem — immutable BigInteger and BigDecimal value objects backed by bcmath (gmp optional)

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A simple class to derive BTC and ETH extended public keys and addresses without GMP.

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This project aims to provide a complete PHP library for the encoding and decoding of ASN.1 DER encoded data. The OID class provides for the identification of ASN.1 object identifiers.

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A PHP mathematics library for simpler, more reliable math operations... even on big numbers

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