Tag: Segurança
Showing all entries and posts with tag "Segurança"
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Encryption at rest with Go's stdlib
Encrypting data at rest with nothing but Go's standard library: PBKDF2 to derive the key from the password and AES-256-GCM to encrypt and authenticate.
Capturing Passwords in the Terminal with Go
Reading passwords in the terminal in Go without echo and with confirmation on first use, using golang.org/x/term.
Data Transmission Using Sound: An Experiment with a 'Cup Telephone'
Transmitting data with sound, two plastic cups, and a string, combining creativity, nostalgia, and technology.
Optimizing Message Integrity Checks with FNV-1a in Go
How to use the FNV-1a algorithm with hash pools in Go, reducing garbage collector pressure without compromising performance.
mTLS: Implementing Mutual Authentication Between Client and Server in Go
Mutual authentication with mTLS in Go, step by step. This guide covers certificate creation, server and client configuration, and security best practices to protect your …
HMAC (Hash-based Message Authentication Code) in Golang
Secure API authentication using HMAC (Hash-based Message Authentication Code) in Golang.
Manipulating Special Permission Bits
How to configure special permissions with setuid and setgid to run programs with superuser privileges
Dropping Privileges in Go Programs to Improve Security
How to improve the security of Go programs by dropping execution privileges. Learn how to check and change users and groups on UNIX-like systems, with practical code examples and …