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Exhibit 31(a)

CERTIFICATION PURSUANT TO
SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Walter W. Straub, certify that:



| | 1. |  | I have reviewed this quarterly report on Form 10-Q of Rainbow
Technologies, Inc.;                                                                                                                                                                                                                                             
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|
| | 2. |  | Based on my knowledge, this quarterly report does not contain any
untrue statement of a material fact or omit to state a material fact
necessary to make the statements made, in light of the circumstances
under which such statements were made, not misleading with respect to
the period covered by this quarterly report;
|
| | 3. |  | Based on my knowledge, the financial statements, and other financial
information included in this quarterly report, fairly present in all
material respects the financial condition, results of operations and
cash flows of the registrant as of, and for, the periods presented in
this quarterly report;                   
|
| | 4. |  | The registrants other certifying officers and I are responsible for
establishing and maintaining disclosure controls and procedures (as
defined in Exchange Act Rules 13a14 and 15d14) for the registrant and
we have:                                                                                                     



| | a) |  | designed such disclosure controls and procedures to
ensure that material information relating to the registrant,
including its consolidated subsidiaries, is made known to us by
others within those entities, particularly during the period in
which this quarterly report is being prepared;
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|
| | b) |  | evaluated the effectiveness of the registrants
disclosure controls and procedures as of a date within 90 days
prior to the filing date of this quarterly report (the Evaluation
Date); and                                                                                                  
|
| | c) |  | presented in this quarterly report our conclusions about
the effectiveness of the disclosure controls and procedures based
on our evaluation as of the Evaluation Date;                                                                                                                        



| | 5. |  | The registrants other certifying officers and I have disclosed,
based on our most recent evaluation, to the registrants auditors and
the audit committee of registrants board of directors (or persons
performing the equivalent function):
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| | a) |  | all significant deficiencies in the design or operation
of internal controls which could adversely affect the registrants
ability to record, process, summarize and report financial data
and have identified for the registrants auditors any material
weaknesses in internal controls; and
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|
| | b) |  | any fraud, whether or not material, that involves
management or other employees who have a significant role in the
registrants internal controls; and                                                                                                                                        



| | 6. |  | The registrants other certifying officers and I have indicated in this
quarterly report whether or not there were significant changes in internal
controls or in other factors that could significantly affect internal controls
subsequent to the date of our most recent evaluation, including any corrective
actions with regard to significant deficiencies and material weaknesses.
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Dated: August 12, 2003

| |  |                            |  |                                       | 
| |  | -------------------------- |  | ------------------------------------- | 
| |  | RAINBOW TECHNOLOGIES, INC.
| |  |                            |  |                                      
| |  | By:                        |  | /s/ Walter W. Straub                 
| |  |                            |  |                                      
| |  |                            |  | President and
Chief Executive Officer