PHP. Руководство по PHP. 2005
openssl_pkcs7_decrypt
openssl_pkcs7_decrypt
Description
bool openssl_pkcs7_decrypt (string infilename, string outfilename, mixed recipcert [, mixed recipkey])Decrypts the S/MIME encrypted message contained in the file specified by
infilename using the certificate and its
associated private key specified by recipcert and
recipkey.
The decrypted message is output to the
file specified by outfilename
openssl_open
openssl_pkcs7_encrypt
Отвечу на любые вопросы. С уважением, Дмитрий Владимирович.