As used in this chapter, unless the context otherwise indicates, the following terms have the following meanings.
1. Digital signature. "Digital signature" means a computer-created electronic signature that:
A. Is intended by the person using it to have the same force and effect as the use of a manual signature;
B. Is unique to the person using it;
C. Is capable of verification;
D. Is under the sole control of the person using it; and
E. Is linked to data in such a manner that it is invalidated if the data are changed.
2. Electronic signature. "Electronic signature" has the same meaning as used in chapter 1051.
3. State agency. "State agency" means a state department, agency, office, board, commission, quasi-independent agency, authority or institution.