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22 lines
952 B
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22 lines
952 B
Plaintext
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cryptography:
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H(x) is 512 bit blake2b digest of x
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HS(x) is 256 bit blake2b digest of x
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MD(x, k) is 512 bit blake2b hmac of x with secret value k
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MDS(x, k) is 256 bit blake2b hmac of x with secret value k
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NE(k, x) is sntrup4591761 encrypt data x to public key k
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ND(k, x) is sntrup4591761 decrypt data x with private key k
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SE(k, n, x) is chacha20 encrypt data x using symettric key k and nounce n
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SD(k, n, x) is chacha20 dectypt data x using symettric key k and nounce n
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S(k, x) is sign x with ed25519 using seed k
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ECKG() is generate ec keypair (p, s) public key p, seed s, both 32 bytes
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V(k, x, sig) is verify x data using signature sig using public key k
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DH(x, y) is a ecdh key exchange using ed25519 scalarmult between public keys x
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and y
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KE(x, y) is a ecdh key exchange using H(x + y + DH(x, y))
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PKE(x, y, n) is a path key exchange using MDS(n, KE(x, y))
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TKE(x, y, n) is a transport key exchange using MDS(n, KE(x, y))
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RAND(n) is n random bytes
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