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Stefan Alfbo

Software developer that is passionate about learning new technologies and solving complex problems. Always trying to be curious and open minded to improve my skills.

Location Sweden Joined Joined on  github website twitter website

Education

KTH Royal Institute of Technology

Work

Software developer

100 Days To Offload - completed

100 Days To Offload - completed

1
Comments
1 min read

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Go and WebUI

Go and WebUI

10
Comments 1
3 min read
ScoutSuite

ScoutSuite

1
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2 min read
AWS Summit Stockholm

AWS Summit Stockholm

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1 min read
Create plugins in Go

Create plugins in Go

14
Comments 2
3 min read
Exploring the tool ./jq

Exploring the tool ./jq

1
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2 min read
Genetic Algorithms with Go

Genetic Algorithms with Go

11
Comments 2
5 min read
Benchmark testing in Go

Benchmark testing in Go

17
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3 min read
Implement PKCS#7 padding

Implement PKCS#7 padding

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3 min read
Gatekeeper One - Level 13

Gatekeeper One - Level 13

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5 min read
Detect AES in ECB mode

Detect AES in ECB mode

1
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3 min read
AES in ECB mode

AES in ECB mode

1
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2 min read
Break repeating-key XOR

Break repeating-key XOR

3
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6 min read
LangChain Go

LangChain Go

5
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2 min read
Python JSON schema

Python JSON schema

8
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4 min read
OWASP Amass

OWASP Amass

2
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2 min read
Implementing repeating-key XOR

Implementing repeating-key XOR

1
Comments
2 min read
The go vet command

The go vet command

1
Comments
2 min read
Detect single-character XOR

Detect single-character XOR

1
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2 min read
Single-byte XOR cipher

Single-byte XOR cipher

3
Comments
3 min read
Constructors in Go?

Constructors in Go?

4
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2 min read
Fixed XOR

Fixed XOR

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2 min read
Convert hex to base64

Convert hex to base64

1
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2 min read
the cryptopals crypto challenges

the cryptopals crypto challenges

Comments
1 min read
Write tests for your type definitions

Write tests for your type definitions

1
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2 min read
git stash

git stash

18
Comments 6
2 min read
Open API with Postman

Open API with Postman

2
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2 min read
Example tests in Go

Example tests in Go

4
Comments
3 min read
Live reloading in Go

Live reloading in Go

23
Comments 2
2 min read
wget - a non-interactive network retriever

wget - a non-interactive network retriever

1
Comments 1
2 min read
Find code in open source projects

Find code in open source projects

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1 min read
Privacy - Level 12

Privacy - Level 12

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4 min read
Mock /api/auth/me

Mock /api/auth/me

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2 min read
quick.Check in Go

quick.Check in Go

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4 min read
func init() {}

func init() {}

1
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2 min read
Internal packages in Go

Internal packages in Go

11
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2 min read
go test <package>

go test <package>

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1 min read
White box and Black box testing in Go

White box and Black box testing in Go

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3 min read
How to share a secret

How to share a secret

3
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6 min read
The modulus operator in .NET

The modulus operator in .NET

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1 min read
LWW Register

LWW Register

2
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8 min read
Elevator - Level 11

Elevator - Level 11

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3 min read
Foundry - chisel

Foundry - chisel

1
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2 min read
Re-entrancy - Level 10

Re-entrancy - Level 10

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4 min read
Advent of Code 2023

Advent of Code 2023

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1 min read
Discriminated Unions

Discriminated Unions

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1 min read
Playwright with GitHub Actions

Playwright with GitHub Actions

4
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2 min read
LangChain for LLM Application Development

LangChain for LLM Application Development

1
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3 min read
An overview of CRDTs

An overview of CRDTs

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2 min read
Django ORM with objects

Django ORM with objects

1
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2 min read
100 Days To Offload

100 Days To Offload

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1 min read
OCaml, Python and protobuf

OCaml, Python and protobuf

1
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3 min read
Introduction to Protocol Buffers

Introduction to Protocol Buffers

1
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3 min read
Building Systems with the ChatGPT API

Building Systems with the ChatGPT API

1
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3 min read
MinIO as a local S3 service

MinIO as a local S3 service

16
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4 min read
Conway's Game of Life in F#

Conway's Game of Life in F#

1
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6 min read
Lovely Silk

Lovely Silk

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2 min read
SEC-T - 0x0FOO

SEC-T - 0x0FOO

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1 min read
Unit testing with OCaml

Unit testing with OCaml

3
Comments
3 min read
King - Level 09

King - Level 09

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3 min read
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