Columbia subject headings:
Harvard subject headings:
Data encryption (Computer science)--Law and legislation--United States
Data protection--Law and legislation--United States
Digital signatures--Law and legislation--United States.
Electronic commerce--Law and legislation--United States
Electronic trading of securities--Law and legislation--United States.
Electronic trading of securities--United States.
Signature (Law)--United States--Data processing.
Princeton subject headings:
Data encryption (Computer science)--Law and legislation--United States.
Data protection--Law and legislation--United States.
Electronic commerce--Law and legislation--United States.
Electronic trading of securities--United States.
Signature (Law)--United States--Data processing.