Oberon PSA Crypto supports the following cryptographic algorithms and key sizes, conforming to the relevant parts of the PSA Certified Crypto API specification:

Message digests (hashes)

• SHA1
• SHA224
• SHA256
• SHA384
• SHA512

Message authentication codes (MAC)

• HMAC
• AES-CMAC 

Unauthenticated ciphers

• AES CTR / CCM* / CBC / ECB
• ChaCha20

Authenticated encryption with associated data (AEAD)

• AES CCM / GCM
• AEAD-ChaCha20-Poly1305

Key derivation

• HKDF
• PBKDF2-HMAC
• PBKDF2-CMAC-PRF128
• TLS-1.2 PRF
• TLS-1.2 PSK-to-Mastersecret

Asymmetric signature

• RSASSA PKCS-v1.5 / PSS (1024 / 1536 / 2048 / 3072 / 4096 / 6144 / 8192 bit)
• ECDSA P224 / P256 / P384
• Ed25519

Asymmetric encryption

• RSAES PKCS-v1.5 / OAEP (1024 / 1536 / 2048 / 3072 / 4096 / 6144 / 8192 bit)

Key agreement

• ECDH P224 / P256 / P384
• X25519

Password-authenticated key exchange (PAKE)

• EC-JPAKE P256
• SPAKE2+ P256 HMAC
• SRP-6 3072 bit 

Random number generation

• CTR-DRBG
• HMAC-DRBG