#26664 [NoF->Bgs]: open_ssl_encrypt refuse to encrypt data larger than private key size

ID: 26664 Updated by: wez@php.net Reported By: fch at hexanet dot fr -Status: No Feedback +Status: Bogus Bug Type: OpenSSL related Operating System: windows 98 and FreeBSD 4.9 PHP Version: 4.3.3 New Comment: That's the way that RSA works; you need to create a bigger key to be able to encrypt bigger chunks of data; the error message is quite clear. Not a PHP bug. Previous Comments: ------------------------------------------------------------------------ [2004-11-11 06:53:30] pigo at pchome dot com dot tw The same problem too. RedHat 8.0 , OpenSSL 0.9.6b , PHP 4.3.9 ! ------------------------------------------------------------------------ [2004-01-01 20:48:32] sniper@php.net No feedback was provided. The bug is being suspended because we assume that you are no longer experiencing the problem. If this is not the case and you are able to provide the information that was requested earlier, please do so and change the status of the bug back to "Open". Thank you. ------------------------------------------------------------------------ [2003-12-19 07:57:22] sniper@php.net Please try using this CVS snapshot: http://snaps.php.net/php4-STABLE-latest.tar.gz For Windows: http://snaps.php.net/win32/php4-win32-STABLE-latest.zip ------------------------------------------------------------------------ [2003-12-19 04:36:09] fch at hexanet dot fr Description: ------------ openssl_encrypt function refuse to encrypt data larger than key size. Then I try, open_ssl_encrypt say : > error:0406C06E:rsa routines:RSA_padding_add_PKCS1_type_1:data too large for key size Openssl support is enabled and I am using OpenSSL 0.9.7c 30 Sep 2003. Reproduce code: --------------- #GET PRIVATE KEY PREVIOUSLY GENERATED $private_key = openssl_get_privatekey('file:///var/tmp/pkey.pem','r0bert'); $data = "abcdefghijiklmnopqrstuvwxyzabcdefghijiklmnopqrstuvwxyzabcdefghijiklmnopqrstuvwxyzabcdefghijiklmnopqrstuvwxyzabcdefghijiklmnopqrstuv"; openssl_private_encrypt($data, $crypted_text, $private_key); Expected result: ---------------- I expect crypted data in $crypted_text. Actual result: -------------- error:0406C06E:rsa routines:RSA_padding_add_PKCS1_type_1:data too large for key size ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=26664&edit=1