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make aes256gcm the primary crypto mode

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zotlabs 2017-03-30 20:43:49 -07:00
parent a9cceea850
commit 6118570118
1 changed files with 14 additions and 1 deletions
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15
include/crypto.php
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@ -79,6 +79,19 @@ function STD_decrypt($data,$key,$iv) {
return openssl_decrypt($data,'aes-256-cbc',str_pad($key,32,"\0"),OPENSSL_RAW_DATA,str_pad($iv,16,"\0")); return openssl_decrypt($data,'aes-256-cbc',str_pad($key,32,"\0"),OPENSSL_RAW_DATA,str_pad($iv,16,"\0"));
} }
function AES256GCM_encrypt($data,$key,$iv) {
$key = substr($key,0,32);
$iv = substr($iv,0,16);
return openssl_encrypt($data,'aes-256-gcm',str_pad($key,32,"\0"),OPENSSL_RAW_DATA,str_pad($iv,16,"\0"));
}
function AES256GCM_decrypt($data,$key,$iv) {
$key = substr($key,0,32);
$iv = substr($iv,0,16);
return openssl_decrypt($data,'aes-256-gcm',str_pad($key,32,"\0"),OPENSSL_RAW_DATA,str_pad($iv,16,"\0"));
}
function CAST5CBC_encrypt($data,$key,$iv) { function CAST5CBC_encrypt($data,$key,$iv) {
$key = substr($key,0,16); $key = substr($key,0,16);
$iv = substr($iv,0,8); $iv = substr($iv,0,8);
@ -152,7 +165,7 @@ function crypto_methods() {
// The actual methods are responsible for deriving the actual key/iv from the provided parameters; // The actual methods are responsible for deriving the actual key/iv from the provided parameters;
// possibly by truncation or segmentation - though many other methods could be used. // possibly by truncation or segmentation - though many other methods could be used.
$r = [ 'std', 'aes256cbc', 'aes128cbc', 'cast5cbc' ]; $r = [ 'aes256gcm', 'std', 'aes256cbc', 'aes128cbc', 'cast5cbc' ];
call_hooks('crypto_methods',$r); call_hooks('crypto_methods',$r);
return $r; return $r;