Systems and methods for prevention of peer-to-peer file sharing

A method of securely accessing encrypted digital content, comprising:

• requesting from a content provider access to encrypted digital content;
• receiving decryption information from the content provider;
• decrypting the encrypted digital content using the decryption information;
• accessing the decrypted digital content;
• and
• deleting the decryption information.

A method of providing secure access by a content user to encrypted digital content, comprising:

• receiving a request to access encrypted digital content;
• receiving a protocol description comprising a decryption algorithm for decrypting the encrypted digital content;
• configuring a protocol parsing engine to generate a code module for decrypting the encrypted digital content according to the decryption algorithm, using protocol descriptions;
• generating the code module for decrypting the encrypted digital content, using the protocol parsing engine;
• transmitting the code module to the content user.

A secure digital content distribution system, comprising:

• a computer;
• and
• a data storage;
• wherein the computer comprises:
• a protocol parsing engine;
• a request processor;
• and
• an algorithm generator.

A method for generating computer code according to configurable criteria, comprising:

• storing a programmably configurable protocol description, the programmably configurable protocol description containing a protocol control record and at least one field sub-record for specifying at least one configured operation for which a code generation routine is implemented;
• storing a program for controlling a code generation routine to be executed by a processing unit, the program including instructions for causing the processing unit to retrieve the programmably configurable protocol description and to vary the execution of the code generation routine based upon the retrieved protocol description;
• delivering to the processing unit the program for controlling the code generation routine;
• and
• causing the processing unit to execute the code generation routine, thereby generating computer code.

A machine implemented process for generating computer code according to programmably configurable criteria, the process comprising the steps of:

• storing at least one programmably configurable protocol description in a data storage device, the at least one programmably configurable protocol description comprising a protocol control record and at least one field sub-record for specifying at least one configured operation for which a code generation routine is implemented;
• retrieving the at least one protocol description from the data storage device;
• and
• providing the at least one protocol description to a common control logic module configured such that upon receiving the at least one protocol description, the common control logic module generates code based upon the code generation routine implemented for the configured operation specified in the protocol description.

A method of generating code comprising:

• providing a common control logic module;
• providing to the common control logic module a protocol description including a description of a code generation routine;
• generating code in response to the provision of the protocol description, using the code generation routine;
• and
• outputting the generated code.

A computer program product that includes a medium useable by a processor, the medium having stored thereon a sequence of instructions which, when executed by said processor, causes said processor to execute a method of generating code comprising:

• providing a common control logic module;
• providing to the common control logic module a protocol description including a description of a code generation routine;
• generating code in response to the provision of the protocol description, using the code generation routine;
• and
• outputting the generated code.

A system for generating computer code, comprising:

• a common control logic module adapted to:
• receive a first protocol description including a specification of a code generation routine;
• generate computer code using the specified code generation routine;
• and
• output the generated computer code;
• and
• a storage device adapted to store a plurality of protocol descriptions including the first protocol description, and provide the first protocol description to the common control logic module.

A method of generating computer code, comprising:

• providing a plurality of code generation routines, each code generation routine adapted to generate computer code to perform a defined function;
• providing a protocol description comprising a plurality of calls to one or more of the plurality of code generation routines;
• providing the protocol description to a protocol parsing engine;
• and
• causing the protocol parsing engine to generate computer code using the protocol description.