Security
&
Resilience
End-to-End Encryption
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Metadata
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Michael Hayden
former director of CIA and NSA
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"We kill people based on metadata"
Michael Hayden
former director of CIA and NSA
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Cryptographic Algorithms
Authenticated Encryption:
XSalsa20/Poly1305
Hash and MAC:
BLAKE2s → BLAKE2b
Signatures:
ECDSA w/ brainpoolP256r1 → Ed25519
Key Agreement:
ECDHC w/ brainpoolP256r1 → Curve25519
briarproject.org
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