ProfilingCryptography Developers - Portal
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Profiling Cryptography Developers Said Ali
Transcript of ProfilingCryptography Developers - Portal
Profiling CryptographyDevelopers
Said Ali
Goal
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Correlation between crypto developer contribution on Stack OverFlow
andcrypto developer activity on GitHub
Sample crypto question
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Sample profile
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Reputation 28‘484Crypto score 543
Crypto accepted answers 85
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Did Jay use crypto APIs on GitHub?
Pipeline
Tag analysis
• Crypto tag
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Stack Exchange
• Crypto user
Scraping
• Social media• GitHub
GitHub API
• Repositories• Crypto repo
Git Blame
• File author• File committer
Tag analysis
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11‘130 cryptodiscussions
2‘184 tags
Tag analysis
𝑯𝟏 𝑜𝑓 𝑡𝑎𝑔 "x" = #𝑝𝑜𝑠𝑡𝑠 𝑐𝑜𝑛𝑡𝑎𝑖𝑛𝑖𝑛𝑔 "𝑥" 𝐴𝑁𝐷 "𝑐𝑟𝑦𝑝𝑡𝑜𝑔𝑟𝑎𝑝h𝑦 "#𝑝𝑜𝑠𝑡𝑠 𝑐𝑜𝑛𝑡𝑎𝑖𝑛𝑖𝑛𝑔 "𝑥"
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𝑯𝟐 𝑜𝑓 𝑡𝑎𝑔 "x" = #𝑝𝑜𝑠𝑡𝑠 𝑐𝑜𝑛𝑡𝑎𝑖𝑛𝑖𝑛𝑔 "𝑥" 𝐴𝑁𝐷 "𝑐𝑟𝑦𝑝𝑡𝑜𝑔𝑟𝑎𝑝h𝑦" #𝑝𝑜𝑠𝑡𝑠 𝑐𝑜𝑛𝑡𝑎𝑖𝑛𝑖𝑛𝑔 "𝑐𝑟𝑦𝑝𝑡𝑜𝑔𝑟𝑎𝑝h𝑦 "
𝑯𝟏 = 0.025𝑯𝟐 = 0.005
Tag analysis
3des aes bouncycastle cng crypto++ cryptoapi cryptographic-hash-function cryptography
cryptojs des diffie-hellman digital-signature ecdsa elliptic-curve encryption-
asymmetricencryption-symmetric
encryption hash hmac jce keystore md5 openssl pbkdf2
pkcs#7 pkcs#11 private-key public-key-encryption public-key pycrypto rijndael rsa
salt sha sha1 sha256 smartcard x509 x509certificate Xor
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Total: 42 Tags
Stack Exchange
9
UserIdCrypto score
Reputation#Crypto accepted answer
#Crypto accepted answer > 10Crypto score > 10
42 tags 92‘000 crypto discussions
Stack OverFlow users
10
Developers10
50
250
1250
6250
0 100 200 300 400 500 600 700 800 900 1000
#Crypto accepted answers
Stack OverFlow users
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Jay
Developers10
50
250
1250
6250
0 100 200 300 400 500 600 700 800 900 1000
#Crypto accepted answers
Stack OverFlow users
12
Developers10
50
250
1250
6250
0 100 200 300 400 500 600 700 800 900 1000
Crypto score #Crypto accepted answers
Stack OverFlow users
13
Jay
Developers10
50
250
1250
6250
0 100 200 300 400 500 600 700 800 900 1000
Crypto score #Crypto accepted answers
Stack OverFlow scraping
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Stack OverFlow scraping
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Manual search
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Stack Overflow crypto users
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44.8% Match
552 380 68
0 100 200 300 400 500 600 700 800 900 1000
No GitHub GitHub - Scraping GitHub - Manual search
GitHub API - PyGithub
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RegEx
ExactCrypto-related
Exact Match
Repo API CodeSearch API
448 GitHub users
23’634Repositories Crypto-related
Languages
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2000
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6000
Shell
JavaScript
HTML
Python
CSS
Ruby C
Perl
C++
Java C# PH
P
Haskell
Objective-C Ru
st
TypeScript
Pascal
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Total: 23634 Repositories
Selected languages
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1000
2000
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4000
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6000
Shell
JavaScript
HTML
Python
CSS
Ruby C
Perl
C++
Java C# PH
P
Haskell
Objective-C Ru
st
TypeScript
Pascal
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Crypto libraries
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Python Ruby C Perl C++ Java C# PHP Rust
from passlib. require 'rbnacl' include "tomcrypt_ include <botan/ Java.security
import passlib require 'digest' include <tomcrypt.h> include "cryptlib.h" Javax.crypto
import pbkdf2_sha256 require 'openssl' include "paillier.h" include <cryptlib>
import nacl require 'bcrypt' include "rsa.h" include "aes.h"
from nacl include "x509.h" using CryptoPP::
import hashlib include "crypto_“ include <des.h>
from hashlib include <openssl/ include "blowfish.h"
from crypto include <themis/include <wolfssl/
include "secblock.h"
import crypto include "xxhash.h" include "eccrypto.h"
from pyelliptic include "aes.h" include <helib/
import bcrypt include "md5.h" include "cryptopp/
from bcrypt include "sha1.h" include <cryptopp/
include "sha256.h" include <openssl/
include "blowfish.h"
include "des.h
Crypto-related repositories
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Python Ruby C C++ Java
Non-crypto repositorie Crypto-related repositorie
2.1%
2.5%
2.9%5.6%
9.2%
Crypto-related repositories
23
0
500
1000
1500
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2500
3000
3500
4000
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Python Ruby C C++ Java
Non-crypto repositorie Crypto-related repositorie
GitBlame
Crypto file contributor
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58
6
36
37
39
22
3
11
9
25
JAVA
C++
PYTHON
RUBY
C
#Developer contributed to crypto file #Developer contributed to crypto project
Next steps
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Remaining steps
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No crypto projectsContributed tocrypto files
Contributed tocrypto projects
crypto score andreputationcrypto score
?
reputation
Remaining steps
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No crypto projectsContributed tocrypto files
Contributed tocrypto projects
crypto score andreputationcrypto score
?
reputation
Remaining steps
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No crypto projectsContributed tocrypto files
Contributed tocrypto projects
crypto score andreputationcrypto score
?
reputation
How experienced is Jay?
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Reputation 28‘484Crypto accepted answers 85
Crypto score 543
Repositories 45Crypto repositories 3
Crypto files 87Crypto files contribution 5
Summary
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