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def drbg_next

bend-collections@1.0.0.0 · src/crypto/secp256k1/ecdsa.bend:66

import bend-collections@1.0.0.0/src/crypto/secp256k1/ecdsa.bend as Ecdsa
import Base

66# step h.3: K = HMAC_K(V || 0x00), V = HMAC_K(V)
67def drbg_next(+k: List<&2, U32>, +v: List<&2, U32>) -> Drbg:
68  drbg_v(hmac(k, cat(v, [0])), v)

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