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SHA-256 Hash from Hex string or C Array Input

less than 1 minute read

This page hepls to calculate the SHA-256 value from the input hex string or array of uint8 values in C syntax. Enter a hexadecimal array or C arr...

Diffie-Hellman key exchange with color blending

7 minute read

The first time I learn about key exchange protocol, I came across an analogy of the protocol using color mixing (Wikipedia image). This analogy is easy to un...