Here is a list of all documented files with brief descriptions:

Acorn128.cpp
Acorn128.h
Acorn128AVR.cpp
AES.h
AES128.cpp
AES192.cpp
AES256.cpp
AESCommon.cpp
AESEsp32.cpp
Ascon128.cpp
Ascon128.h
Ascon128AVR.cpp
AuthenticatedCipher.cpp
AuthenticatedCipher.h
BigNumberUtil.cpp
BigNumberUtil.h
BLAKE2b.cpp
BLAKE2b.h
BLAKE2s.cpp
BLAKE2s.h
BlockCipher.cpp
BlockCipher.h
CBC.cpp
CBC.h
CFB.cpp
CFB.h
ChaCha.cpp
ChaCha.h
ChaChaPoly.cpp
ChaChaPoly.h
Cipher.cpp
Cipher.h
Crypto.cpp
Crypto.h
CryptoLegacy.h
CryptoLW.h
CTR.cpp
CTR.h
Curve25519.cpp
Curve25519.h
EAX.cpp
EAX.h
Ed25519.cpp
Ed25519.h
GCM.cpp
GCM.h
GF128.cpp
GF128.h
GHASH.cpp
GHASH.h
Hash.cpp
Hash.h
HKDF.cpp
HKDF.h
KeccakCore.cpp
KeccakCore.h
NewHope.cpp
NewHope.h
NoiseSource.cpp
NoiseSource.h
OFB.cpp
OFB.h
OMAC.cpp
OMAC.h
P521.cpp
P521.h
Poly1305.cpp
Poly1305.h
RingOscillatorNoiseSource.cpp
RingOscillatorNoiseSource.h
RNG.cpp
RNG.h
SHA1.cpp
SHA1.h
SHA224.cpp
SHA224.h
SHA256.cpp
SHA256.h
SHA3.cpp
SHA3.h
SHA384.cpp
SHA384.h
SHA512.cpp
SHA512.h
SHAKE.cpp
SHAKE.h
Speck.cpp
Speck.h
SpeckSmall.cpp
SpeckSmall.h
SpeckTiny.cpp
SpeckTiny.h
TransistorNoiseSource.cpp
TransistorNoiseSource.h
XOF.cpp
XOF.h
XTS.cpp
XTS.h