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(PHP 4 >= 4.0.6, PHP 5)

openssl_public_decrypt -- Decrypts data with public key

Description

bool openssl_public_decrypt ( string data, string &decrypted, mixed key [, int padding] )

Warning

This function is EXPERIMENTAL . The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.

openssl_public_decrypt() decrypts data that was previous encrypted via openssl_private_encrypt() and stores the result into decrypted . key must be the public key corresponding that was used to encrypt the data. padding defaults to OPENSSL_PKCS1_PADDING , but can also be OPENSSL_NO_PADDING .

Returns TRUE on success or FALSE on failure.

You can use this function e.g. to check if the message was written by the owner of the private key.

Related Function(s)

openssl_private_encrypt()

openssl_private_decrypt()