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ECDH (Elliptic Curve Diffie-Hellman) Key Exchange
This chapter provides tutorial notes on ECDH key exchange protocol, which is to perform a scalar multiplication of one's own EC private key and other's EC public key to obtain the common shared secret key.
2022-10-01, 478🔥, 0💬

"brainpoolP256t1"“ - For 256-Bit ECC Keys
This section describes 'brainpoolP256t1' elliptic curve domain parameters for generating 256-Bit ECC Keys as specified by RFC 5639.
2022-10-01, 471🔥, 0💬

Testing RsaKeyEncryption.java with a 16-bit Key
This section provides a tutorial example on testing my RSA encryption and decryption implementation using the java.math.BigInteger class with a 16-bit key.
2019-09-02, 470🔥, 1💬

Generators and Cyclic Subgroups
This chapter provides introduction on generating subgroups from elements in finite Abelian groups; definitions and examples of subgroup generators, subgroup order, cyclic subgroups, Lagrange-Theorem.
2022-10-01, 467🔥, 0💬

About This Book
This section provides some detailed information about this book - __title__.
2020-06-23, 448🔥, 1💬

💬 2020-06-23 chris: Thank so much ! All Crypto printed books in cart !! Very well done. Most useful books i've seen in quite some time.

"OpenSSL" Signing CSR Generated by "keytool"
This chapter provides tutorial notes and example codes on using 'OpenSSL' to act as CA (Certificate Authority). Topics include setting up 'OpenSSL' as CA; using 'keytool' to generate CA private key; using 'keytool' to generate CSR (Certificate Signing Request); using 'OpenSSL' to sign CSR, using 'ke...
2018-07-12, 448🔥, 1💬

Subtraction Operation on an Elliptic Curve
This section describes the Subtraction operation on an elliptic curve. If the resulting point of the subtraction operation of point Q from P, then P - R = P + (-Q)..
2022-10-01, 447🔥, 0💬

References
List of reference materials used in this book.
2019-06-30, 437🔥, 1💬

💬 2019-06-30 Wayne: This is very helpful, Thank you!

Python Program for Integer Elliptic Curves
This section provides simple Python program, IntegerEllipticCurve.py, that searches integer points on any given elliptic curve with integer coefficients.
2022-10-01, 435🔥, 0💬

ECDSA (Elliptic Curve Digital Signature Algorithm)
This chapter provides tutorial notes on ECDSA (Elliptic Curve Digital Signature Algorithm). Topics includes ECDSA digital signature generation process and verification process; security issue of the private key with same random number k is used; find possible public keys from a digital signature; in...
2022-10-01, 429🔥, 0💬

Modular Arithmetic Reduction on Rational Numbers
This section describes how to perform Modular Arithmetic Reduction on Rational Numbers, which is equivalent to perform modular multiplication of the numerator and the multiplicative inverse of the denominator.
2022-10-01, 422🔥, 0💬

What Is Trapdoor Function
This section describes what is Trapdoor Function - An operation that is much easier to perform than its reverse operation.
2022-10-01, 421🔥, 0💬

Negation Operation on an Elliptic Curve
This section describes the Negation operation on an elliptic curve. If the resulting point the negation operation of an given point P is R, then P + R is the infinity point.
2022-10-01, 416🔥, 0💬

Proof of DSA Digital Signature Algorithm
This section describes steps to prove DSA digital signature algorithm. Fermat's little theorem is the key part of the proof.
2022-10-04, 411🔥, 0💬

Build New Curves with tinyec
This section provides a tutorial example on how to create elliptic curve, actually a reduced elliptic curve group, with tinyec Python library.
2022-12-27, 406🔥, 1💬

Commutativity of Elliptic Curve Operations
This section describes the associativity of the addition operation on an elliptic curve. P + (Q + S) = (P + Q) + S is true.
2022-10-01, 391🔥, 0💬

Encrypting RSA Keys
This section provides a tutorial example on how to store RSA keys encrypted with password protection.
2023-12-12, 389🔥, 1💬

Standard Elliptic Curves
This chapter provides tutorial notes on standard elliptic curves. Topics covered include a list of standard curves; domain parameters of some commonly used standard curves; generating and views private-public key pairs associated domain parameters.
2022-10-01, 386🔥, 0💬

Is ECDH Key Exchange Secure
This section discusses the question of: how secure is the ECDH (Elliptic Curve Diffie-Hellman) key exchange protocol?
2022-10-01, 384🔥, 0💬

Java Implementation of DES - Test Cases
This section provides two test cases for the Java implementation of DES algorithm, CipherDES.java.
2018-03-30, 380🔥, 2💬

"keytool -importkeystore" Importing PKCS#12 Files
This section provides a tutorial example on how to import a private key stored in a PKCS#12 file into a JKS (Java KeyStore) file with the 'keytool -importkeystore' command.
2022-10-04, 377🔥, 0💬

EC Key File with Curve Name
This section provides a tutorial example on the EC private key file with curve name only. Actuall domain parameters are not stored in the key file.
2022-10-01, 372🔥, 0💬

"keytool -groupname ..." - Select Curve Name
This section provides a tutorial example on how to using 'keytool -groupname ...' option to select a different elliptic curve when generating EC private-public key pairs.
2022-10-01, 372🔥, 0💬

Find Subgroup with Point Addition
This section provides a tutorial example on how to find the subgroup of a given point on an elliptic curve using a loop of point additions with tinyec Python library.
2022-10-01, 364🔥, 0💬

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