Abstract: A method for the secure transmission of an electronic message from a sender to a recipient. The method comprises receiving an encrypted sender transmission file transmitted from a sender computer station at a management server, wherein the sender transmission file comprises one or more signed hash values, a sender identifier and one or more recipient identifiers. The signature values are created from one or more message components associated with the electronic message composed at the sender computer station. The encrypted sender transmission file is decrypted; and a comparision is made with of the one or more signed hash values. For each of the one or more recipient identifiers, one or more recipient public keys; is retrieved.

Abstract: A method and apparatus for ablating material. The material is preferably a heterogenous or composite material, such as animal tissue. A table top laser system can be employed in the invention. Alternatively, a larger laser, such as a free electron laser can be employed.