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Cryptography Test

The Cryptography Test evaluates a candidate's knowledge of cryptography concepts, network engineering and cyber security.

Screen candidates with a 30 mins test

Test duration:  ~ 30 mins
Difficulty level:  Moderate
Availability:  Available as custom test
  • 15 Cryptography MCQs
Covered skills:
Digital Signatures
Cryptography Algortihms (like RSA)
Hashing techniques
Encoding and Decoding
Cyber Security Fundamentals

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Use the Cryptography Assessment Test to shortlist qualified candidates

The Cryptography Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

  • Able to generate and verify digital signatures using cryptographic algorithms
  • Knowledge of various cryptographic algorithms such as RSA, AES, and DES
  • Familiarity with different hashing techniques like MD5, SHA-1, and SHA-256
  • Proficiency in encoding and decoding techniques such as Base64 and ASCII
  • Understanding of cyber security fundamentals and best practices
  • Ability to identify and prevent common cryptographic attacks
  • Knowledge of key management and distribution
  • Understanding of symmetric and asymmetric encryption
  • Ability to implement secure communication protocols
  • Experience in secure key exchange mechanisms
  • Understanding of digital certificates and PKI infrastructure
  • Knowledge of steganography and watermarking techniques
  • Familiarity with blockchain technology and its cryptographic principles
  • Ability to analyze and evaluate the strength of cryptographic algorithms
  • Understanding of the role of randomness in cryptography
  • Proficiency in using cryptographic libraries and tools

Screen candidates with the highest quality questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

Test candidates on core Cryptography Hiring Test topics

Digital Signatures: Digital signatures are a cryptographic mechanism used to verify the authenticity and integrity of digital information. By using public key cryptography, a digital signature ensures that a document or message has not been tampered with and originated from a specific sender. This skill is measured in the test to assess a candidate's understanding of secure communication protocols and their ability to verify the integrity of digital data.

Cryptography Algorithms (like RSA): Cryptography algorithms, such as RSA (Rivest-Shamir-Adleman), are fundamental building blocks for secure communication and data protection. RSA is a widely used encryption algorithm that relies on the mathematical properties of large prime numbers. Testing a candidate's knowledge of cryptography algorithms in this assessment helps evaluate their proficiency in designing secure systems and protecting sensitive data.

Hashing Techniques: Hashing techniques are essential for ensuring data integrity and quick data retrieval. Hash functions convert input data into a fixed-size hash value, which can be used to uniquely identify the original data. Measuring a candidate's knowledge of hashing techniques in this test allows recruiters to assess their understanding of data integrity check mechanisms and their ability to efficiently retrieve data in a secure manner.

Encoding and Decoding: Encoding and decoding involve transforming data from one form to another, often necessary for secure transmission or storage. Encoded data is typically unreadable without the decoding process and can involve various techniques like base64 encoding. Evaluating a candidate's understanding of encoding and decoding techniques in this assessment helps gauge their ability to safeguard data during transit and ensure compatibility between systems.

Cyber Security Fundamentals: Cybersecurity fundamentals cover foundational knowledge about security protocols, threat management, risk assessment, and defense mechanisms. By including this skill in the assessment, recruiters can gauge a candidate's knowledge of security best practices and their ability to recognize and mitigate common cyber threats, making them valuable assets in protecting a company's digital assets and infrastructure.

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Have questions about the Cryptography Hiring Test?

How does pricing work?

You can check out our pricing plans.

Can I customize the test?

Yes, absolutely. Custom assessments are set up within 48 hours based on your job description, and will include questions on all must-have skills you specify. Here's a quick guide on how you can request a custom test. You can also customize a test by uploading your own questions.

Can I combine multiple skills into one test?

Yes, absolutely. Custom assessments are set up based on your job description, and will include questions on all must-have skills you specify. Here's a quick guide on how you can request a custom test.

What roles can I use the Cryptography Assessment Test for?

Here are few roles for which we recommend this test:

  • Cryptographer
  • Software Engineer
  • Data Analyst
  • Network Engineer
  • Blockchain Developer
  • Cyber Security Analyst
  • Cloud Architect
  • DevOps Engineer
Can I see a sample test, or do you have a free trial?


The free trial includes one sample technical test (Java/ JavaScript) and one sample aptitude test that you will find in your dashboard when you sign up. You can use it to review the quality of questions and the candidate experience of giving a test on Adaface.

You can preview any of the 500+ tests and see the sample questions to decide if it would be a good fit for your requirements.

How do I interpret test scores?

The primary thing to keep in mind is that an assessment is an elimination tool, not a selection tool. A skills assessment is optimized to help you eliminate candidates who are not technically qualified for the role, it is not optimized to help you find the best candidate for the role. So the ideal way to use an assessment is to decide a threshold score (typically 55%, we help you benchmark) and invite all candidates who score above the threshold for the next rounds of interview.

I'm a candidate. Can I try a practice test?

No. Unfortunately, we do not support practice tests at the moment. However, you can use our sample questions for practice.

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