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This question already has an answer here:

I want to learn cryptography. I just wanted to ask people who are experienced about the field where I should start. Any recommendation would be something for me.

Thank you in advance.

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marked as duplicate by Ella Rose♦, e-sushi Sep 3 '18 at 15:13

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

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    $\begingroup$ Related questions : crypto.stackexchange.com/questions/6810/… crypto.stackexchange.com/questions/10467/… crypto.stackexchange.com/questions/3029/… crypto.stackexchange.com/questions/61717/… crypto.stackexchange.com/questions/31/… $\endgroup$ – Faulst Sep 2 '18 at 9:48
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    $\begingroup$ The questioner asked about learning cryptography, and was then shifted into answers about learning math. Hundreds of university courses teach basic cryptography, and they do not start with math. In fact, there is very little math involved. I worry that marking this question as a duplicate will discourage the questioner. $\endgroup$ – Patriot Jul 26 at 1:10
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    $\begingroup$ "I want to be a cryptographer"--OK, let's start talking math. "I want to learn cryptography so I can protect data"--OK, let's talk about ciphers, hashes, HMAC, etc. "I want to learn cryptography"--could you tell us the level you want to reach? $\endgroup$ – Patriot Jul 26 at 1:13
  • $\begingroup$ @BardanAdam I hope you received an answer that satisfies you. $\endgroup$ – Patriot Jul 26 at 1:14
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    $\begingroup$ Have to agree with @Patriot re. discouragement. Other than appreciating that $2^{128}$ = boiling of all Earth's lakes, I see no need for maths. Maybe a wee bit of $log(choices)$ to determine entropy content, but only if we truly understand $choices$. The Zeitgeist says that we mustn't "roll our own", therefore all that remains is selection and implementation of "approved" crypto schemes. Is anyone here sufficiently competent to produce a curve that Wall Street will standardise on? What use finite fields with BouncyCastle? Ergo, no maths. $\endgroup$ – Paul Uszak Jul 27 at 3:05
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https://gnupg.org/documentation/index.html

Not experienced, just sharing one of the ways, which working for me (Online identity verification issues -> Web of trust -> PGP -> Cryptography).

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