Usage example for encrypting and decrypting fields

Here is an example of using this module for CCK Fields
This is for hook_nodeapi

	  case 'presave':
		//ENCRYPT	  
		if ($node->type == "accounts")
			{
			$node->field_myfield[0]["value"]  = aes_encrypt($node->field_myfield[0]["value"]);		
			}			
	  case 'load':
		//DECRYPT
		if ($node->type == "accounts")
			{
			$node->field_myfield[0]["value"]  = aes_decrypt($node->field_myfield[0]["value"]);		
			}		
		break;