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# openssl_private_encrypt

(PHP 4 >= 4.0.6, PHP 5)

openssl_private_encrypt -- Encrypts data with private key

## Description

bool openssl_private_encrypt ( string data, string &crypted, mixed key [, int padding] )

openssl_private_encrypt() encrypts `data` with private `key` and stores the result into `crypted`. Encrypted data can be decrypted via openssl_public_decrypt(). `padding` defaults to `OPENSSL_PKCS1_PADDING`, but can also be `OPENSSL_NO_PADDING`.

Retorna `TRUE` em caso de sucesso ou `FALSE` em falhas.

This function can be used e.g. to sign data (or its hash) to prove that it is not written by someone else.

See also openssl_public_decrypt() and openssl_public_encrypt().

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