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Features

qat_hw Features

  • Asymmetric PKE
    • RSA for Key Sizes 512/1024/2048/4096/8192.
    • DH for Key Sizes 768/1024/1536/2048/3072/4096/8192.
    • DSA for Key Sizes 160/1024, 224/2048, 256/2048, 256/3072.
    • ECDH for the following curves:
      • NIST Prime Curves: P-192/P-224/P-256/P-384/P-521.
      • NIST Binary Curves: B-163/B-233/B-283/B-409/B-571.
      • NIST Koblitz Curves: K-163/K-233/K-283/K-409/K-571.
      • Montgomery EC Curves: X25519/X448 (ECX).
    • ECDSA for the following curves:
      • NIST Prime Curves: P-192/P-224/P-256/P-384/P-521.
      • NIST Binary Curves: B-163/B-233/B-283/B-409/B-571.
      • NIST Koblitz Curves: K-163/K-233/K-283/K-409/K-571.
    • SM2
  • Symmetric Ciphers
    • AES128-CBC-HMAC-SHA1/AES256-CBC-HMAC-SHA1.
    • AES128-CBC-HMAC-SHA256/AES256-CBC-HMAC-SHA256.
    • AES128-CCM, AES192-CCM, AES256-CCM.
    • AES128-GCM, AES256-GCM.
    • ChaCha20-Poly1305
    • SM4-CBC
  • Key Derivation
    • PRF
    • HKDF
  • Hashing
    • SHA3-224/256/384/512
    • SM3
  • Synchronous and Asynchronous Operation
  • Pipelined Operations
  • Intel® QAT OpenSSL* Engine Software Fallback
  • Key Protection Technology (KPT) Support using QAT_HW driver v2.0

Please refer here for applicable QAT Hardware versions and algorithms enabled by default.

qat_sw Features

  • Intel® QAT Software Acceleration
  • Asymmetric PKE
    • RSA for Key size 2048, 3072, 4096
    • ECDH for the following curves:
      • Montgomery EC Curve: X25519
      • NIST Prime Curves: P-256/P-384
      • SM2
    • ECDSA for the following curves:
      • NIST Prime Curves: P-256/P-384
      • SM2
  • Symmetric Ciphers
    • AES128-GCM, AES192-GCM and AES256-GCM
    • SM4-CBC using 16 Multibuffer requests (Tongsuo only)
    • SM4-GCM using 16 Multibuffer requests (Tongsuo only)
    • SM4-CCM using 16 Multibuffer requests (Tongsuo only)
  • Hashing
    • SM3 Hash using 16 Multibuffer requests (Experimental)

Common Features to qat_hw & qat_sw

Note: RSA Padding schemes are handled by OpenSSL* or BoringSSL* rather than accelerated, so the engine supports the same padding schemes as OpenSSL* or BoringSSL* does natively.