Sivaram siv2r

## 2022-nix-book.md

      
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                siv2r
                / 2022-nix-book.md
            
            
              Created
              November 25, 2023 17:49
                — forked from fricklerhandwerk/2022-nix-book.md
            
              
                Summer of Nix 2022: The Nix Book
              
          
    Summer of Nix 2022: The Nix Book

tl;dr

Goals


Improve the autodidactic Nix onboarding experience to increase community growth
Provide a clear learning path from first impression down to source code

Tasks


## libsecp_sha256.c
/* this is the main function of test.c of libsecp */
/* you can find my complete code here: https://github.com/siv2r/secp256k1/commit/b3a1437f715dad7478515a55728ecb12aaf4dad1 */

#include "modules/debug/main_impl.h"

int main() {
    unsigned char msg[40] = "Hey, this message is going to be hashed";
    unsigned char out[32];
    secp256k1_sha256 hash;

## 2darray.c
#include<stdio.h>

int main(int argc, char** argv){

    // argv
    int i;
    for(i=0; i<argc; i++) {
        printf("argv : %s (val), ", argv);
        printf("argv : %x (addr)\n", argv);
        printf("*argv: %s (val), ", *argv);

## bench (ecdsa option)
$ ./bench ecdsa
Benchmark                     ,    Min(us)    ,    Avg(us)    ,    Max(us)

ecdsa_verify                  ,   142.0       ,   144.0       ,   147.0
ecdsa_sign                    ,   106.0       ,   108.0       ,   109.0

## bench_ecdh
```bash
Benchmark                     ,    Min(us)    ,    Avg(us)    ,    Max(us)

ecdh                          ,    92.3       ,    92.7       ,    93.6
```

## gist:cdfeb50e9ea68932d503e9a8974932e9

      
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                siv2r
                / gist:cdfeb50e9ea68932d503e9a8974932e9
            
            
              Created
              February 15, 2021 15:49
                — forked from rxaviers/gist:7360908
            
              
                Complete list of github markdown emoji markup
              
          
    People


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	/* this is the main function of test.c of libsecp */
	/* you can find my complete code here: https://github.com/siv2r/secp256k1/commit/b3a1437f715dad7478515a55728ecb12aaf4dad1 */

	#include "modules/debug/main_impl.h"

	int main() {
	unsigned char msg[40] = "Hey, this message is going to be hashed";
	unsigned char out[32];
	secp256k1_sha256 hash;
	#include<stdio.h>

	int main(int argc, char** argv){

	// argv
	int i;
	for(i=0; i<argc; i++) {
	printf("argv : %s (val), ", argv);
	printf("argv : %x (addr)\n", argv);
	printf("argv: %s (val), ", argv);
	$ ./bench ecdsa
	Benchmark , Min(us) , Avg(us) , Max(us)

	ecdsa_verify , 142.0 , 144.0 , 147.0
	ecdsa_sign , 106.0 , 108.0 , 109.0
	```bash
	Benchmark , Min(us) , Avg(us) , Max(us)

	ecdh , 92.3 , 92.7 , 93.6
	```
`:bowtie:`	😄 `:smile:`	😆 `:laughing:`
😊 `:blush:`	😃 `:smiley:`	☺️ `:relaxed:`
😏 `:smirk:`	😍 `:heart_eyes:`	😘 `:kissing_heart:`
😚 `:kissing_closed_eyes:`	😳 `:flushed:`	😌 `:relieved:`
😆 `:satisfied:`	😁 `:grin:`	😉 `:wink:`
😜 `:stuck_out_tongue_winking_eye:`	😝 `:stuck_out_tongue_closed_eyes:`	😀 `:grinning:`
😗 `:kissing:`	😙 `:kissing_smiling_eyes:`	😛 `:stuck_out_tongue:`