Key types supported by language

The following tables list the key types each primitive supports, classified by language.

AEAD

Implementation	Java	C++ (BoringSSL)	C++ (OpenSSL)	Objective-C	Go	Python
AES-GCM	yes¹	yes	yes	yes	yes	yes
AES-GCM-SIV	yes²	yes	no	no	yes	yes
AES-CTR-HMAC	yes	yes	yes	yes	yes	yes
AES-EAX	yes	yes	yes	yes	no	yes
KMS Envelope	yes	yes	yes	no	yes	yes
CHACHA20-POLY1305	yes	no	no	no	yes	no
XCHACHA20-POLY1305	yes	yes	no	yes	yes	yes

Streaming AEAD

Implementation	Java	C++ (BoringSSL)	C++ (OpenSSL)	Objective-C	Go	Python
AES-GCM-HKDF-STREAMING	yes	yes	yes	no	yes	yes
AES-CTR-HMAC-STREAMING	yes	yes	yes	no	yes	yes

Deterministic AEAD

Implementation	Java	C++ (BoringSSL)	C++ (OpenSSL)	Objective-C	Go	Python
AES-SIV	yes	yes	yes	yes	yes	yes

MAC

Implementation	Java	C++ (BoringSSL)	C++ (OpenSSL)	Objective-C	Go	Python
HMAC-SHA2	yes	yes	yes	yes	yes	yes
AES-CMAC	yes	yes	yes	yes	yes	yes

PRF

Implementation	Java	C++ (BoringSSL)	C++ (OpenSSL)	Objective-C	Go	Python
HKDF-SHA2	yes	yes	yes	no	yes	yes
HMAC-SHA2	yes	yes	yes	no	yes	yes
AES-CMAC	yes	yes	yes	no	yes	yes

Signature

Implementation	Java	C++ (BoringSSL)	C++ (OpenSSL)	Objective-C	Go	Python
ECDSA over NIST curves	yes	yes	yes	yes	yes	yes
Ed25519	yes	yes	yes	yes	yes	yes
RSA-SSA-PKCS1	yes	yes	yes	yes	yes	yes
RSA-SSA-PSS	yes	yes	yes	yes	yes	yes

Hybrid Encryption

Implementation	Java	C++ (BoringSSL)	C++ (OpenSSL)	Objective-C	Go	Python
HPKE	yes	yes	no	no	yes	yes
ECIES with AEAD and HKDF	yes³	yes	yes	yes	yes	yes
ECIES with DeterministicAEAD and HKDF	yes⁴	yes	yes	no	yes	yes

JWT MAC

Implementation	Java	C++ (BoringSSL)	C++ (OpenSSL)	Objective-C	Go	Python
JWT HMAC-SHA2	yes	yes	yes	no	yes	yes

JWT Signature

Implementation	Java	C++ (BoringSSL)	C++ (OpenSSL)	Objective-C	Go	Python
JWT ECDSA over NIST curves	yes	yes	yes	no	yes	yes
JWT RSA-SSA-PKCS1	yes	yes	yes	no	yes	yes
JWT RSA-SSA-PSS	yes	yes	yes	no	yes	yes

AES-GCM does not work properly on Android <=19. ↩
Requires Conscrypt to be installed as a JCE security provider. ↩
Requires a NIST curve. ↩
Requires a NIST curve. ↩

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2024-11-14 UTC.