Argon2.initial: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/spec/crypto/argon2/argon2.bend as Argon2
Lines 92-94 of bend-collections-laws-crypto@1.0.0.0/spec/crypto/argon2/argon2.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/argon2/argon2.bend&start_line=92&end_line=94

import Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/blake/blake2b/types.bend as T
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/blake/blake2b.bend as B

# RFC 7693 section 2.5: h[0] ^= 0x01010000 ^ (kk << 8) ^ nn with kk = 0.
def initial(+nn: U32) -> T.Chain:
  T.H{B.xor(B.iv(0n), T.W{U32.or(16842752, nn), 0}), B.iv(1n), B.iv(2n), B.iv(3n), B.iv(4n), B.iv(5n), B.iv(6n), B.iv(7n)}

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.or
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/blake/blake2b.bend&name=iv
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/blake/blake2b.bend&name=xor
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/blake/blake2b/types.bend&name=Chain
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/blake/blake2b/types.bend&name=Lane