File tests/test_vectors/Hash/SHA512-256.txt artifact 8c9d8ea3f3 part of check-in 5a41ff9aa1

# SHA512-256
# From https://csrc.nist.gov/projects/cryptographic-standards-and-guidelines/example-values

[b = 128]
[L = 32]

Len = 0
Msg = ""
MD = c672b8d1ef56ed28ab87c3622c5114069bdd3ad7b8f9737498d0c01ecef0967a

Len = 3
Msg = "abc"
MD = 53048e2681941ef99b2e29b76b4c7dabe4c2d0c634fc6d46e0e2f13107e7af23

Len = 43
Msg = "The quick brown fox jumps over the lazy dog"
MD = dd9d67b371519c339ed8dbd25af90e976a1eeefd4ad3d889005e532fc5bef04d

Len = 112
Msg = "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu"
MD = 3928e184fb8690f840da3988121d31be65cb9d3ef83ee6146feac861e19b563a