Technological communication has been developed along the last ten years.

Human society has already become an information society.

New ways are yet to be found to protect data flow secret.

A strong, refined and practically inexpugnable system of cryptography is the result of an association of two main factors.

Encryption means mechanical processing of data so as to turn them understandable to the end user.

Encryption is the ideal solution found to guarantee integrity of documents in use by our society.

Criminal use of encryption is a drawback which restricts its benefits.

Judicial authorities now seem to have confidence in the new powerful cryptographic system.

According to the text, it can be deduced that

the Internal Revenue Service has now succeeded in getting back billions of the existing debt.

According to the text, it can be deduced that

today, the main source of wealth creation lies in the agricultural activities.