May 26, 2018
PEAR class allows you to use two-key strong cryptography
PEARCrypt_RSA allows you to use two-key strong cryptography like RSA with arbitrary key length.
It uses one of the following extensions for math calculations
- PECL big_int extension version greater than or equal to 1.0.3
- PHP GMP extension
- PHP BCMath extension for both PHP4 and PHP5