<required>
# block
aes

# modes
gcm
cbc
mode_pad

# stream
ctr

# hash
sha2_32
sha2_64
sha3

# mac
cmac
hmac
gmac

# kdf
kdf1_iso18033
sp800_108
sp800_56c

# pk_pad
eme_oaep
emsa_pssr
emsa1
iso9796

# pubkey
dlies
dh
rsa
dsa
ecdsa
ecgdsa
ecies
eckcdsa
ecdh
xmss

# rng
auto_rng
hmac_drbg
</required>

<if_available>
# block
aes_ni
aes_ssse3

# modes
clmul

# entropy sources
darwin_secrandom
dev_random
proc_walk
rdrand
rdseed
win32_stats

# rng
rdrand_rng
system_rng

# utils
http_util # needed by x509 for OCSP online checks
locking_allocator
simd
</if_available>

<prohibited>
# block
aria
blowfish
camellia
cascade
cast
des
gost_28147
idea
idea_sse2
kasumi
lion
misty1
noekeon
noekeon_simd
seed
serpent
serpent_simd
shacal2
shacal2_x86
shacal2_simd
sm4
threefish
threefish_avx2
twofish
xtea

# modes
ccm
chacha20poly1305
eax
ocb
siv
cfb

# stream
chacha
chacha_sse2
ofb
rc4
salsa20
shake_cipher

# kdf
hkdf
kdf1
kdf2
prf_x942
sp800_56a

# pubkey
cecpq1
curve25519
ed25519
elgamal
gost_3410
mce
mceies
rfc6979
newhope
sm2

# pk_pad
#eme_pkcs1 // needed for tls
#emsa_pkcs1 // needed for tls
emsa_raw
emsa_x931

# hash
blake2
comb4p
gost_3411
md4
#md5 // needed for tls
rmd160
#sha1 // needed for tls
#sha1_sse2 // needed for tls
shake
skein
sm3
streebog
tiger
whirlpool
keccak

# rng
chacha_rng

# mac
cbc_mac
poly1305
siphash
x919_mac

# misc
bcrypt

</prohibited>
