Panduan Keamanan & Kriptografi

Pengodean Base64 vs Enkripsi — Panduan Perbedaan Lengkap

Apakah Base64 aman? Pelajari mengapa pengodean Base64 BUKAN enkripsi dan perbedaannya dengan AES/RSA.

Mitos Utama: Apakah Base64 Aman?

A widespread misunderstanding among web developers and system administrators is assuming that Base64-encoded text is secure because it looks like a scrambled, unintelligible random string of characters.

⚠️ Security Warning: Base64 encoding provides ZERO confidentiality or security. Anyone who intercepts a Base64-encoded string can instantly convert it back to plaintext without needing a secret key, password, or certificate.

Perbandingan: Pengodean vs Enkripsi vs Hashing

PropertyEncoding (Base64)Encryption (AES / RSA)Hashing (SHA-256)
Primary PurposeData format compatibility across text systemsData confidentiality & privacy protectionData integrity & password verification
Secret Key Required?No KeyRequires Key / PasswordNo Key (One-way)
Reversible?100% Reversible by AnyoneReversible ONLY with Secret KeyIrreversible (One-way)
Standard ExampleRFC 4648 Base64AES-256-GCM, RSA-4096SHA-256, bcrypt, Argon2

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