EthanArbuckle/fairplay-decrypt

Offline FairPlay App Store IPA decryption with independent key derivation

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Decrypt FairPlay-encrypted apps using a 16-byte credential for the account that owns each IPA. Credential retrieval gets it from a supported jailbroken device and writes credential.bin to the chosen output directory. Decryption runs on macOS and Linux. Supports version-3 and version-5 SUPF, 448-byte and 440-byte SINF priv records, and encrypted arm64 Mach-O slices. A 440-byte record must end in eight zero bytes. From this directory, with Python 3.9+: The decryptor is pure…

EthanArbuckle/fairplay-decrypt on GitHub A short preview, not the full document.

Read the full README ↗ · Preview checked 2026-10-28T19:36:10.450Z

Inside the original README — Document outline
  1. IPA decryptor
  2. Set up
  3. Decrypt

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What this repository does

Offline FairPlay App Store IPA decryption with independent key derivation

Repository facts

Owner
EthanArbuckle
Primary language
C
Stars
2,302
Forks
355
Open issues + pull requests
11
License
GPL-3.0
Archived
No
Default branch
main
Created
2026-10-19T10:07:58.000Z
Last push
2026-11-01T09:28:19.000Z

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