Bun makes use of [Web Cryptography API][] for the cryptographic operations.
JSON Web Key Type Support
|
Supported |
kty value |
|
| RSA |
✓ |
RSA |
|
| Elliptic Curve |
✓ |
EC |
supported curves: P-256, P-384, P-521 |
| Octet Key Pair |
✓ |
OKP |
supported subtypes: Ed25519 |
| Octet sequence |
✓ |
oct |
|
JWS Algorithm Support
|
Supported |
alg values |
| RSASSA-PKCS1-v1_5 |
✓ |
RS256, RS384, RS512 |
| RSASSA-PSS |
✓ |
PS256, PS384, PS512 |
| ECDSA |
✓ |
ES256, ES384, ES512 |
| Edwards-curve DSA |
✓ |
EdDSA, Ed25519 |
| HMAC with SHA-2 |
✓ |
HS256, HS384, HS512 |
| Unsecured JWS |
✓ |
none |
JWE Key Management Algorithm Support
|
Supported |
alg values |
| AES |
✓ |
A128KW, A192KW, A256KW |
| AES GCM |
✓ |
A128GCMKW, A192GCMKW, A256GCMKW |
| Direct Key Agreement |
✓ |
dir |
| RSAES OAEP |
✓ |
RSA-OAEP, RSA-OAEP-256, RSA-OAEP-384, RSA-OAEP-512 |
| PBES2 |
✓ |
PBES2-HS256+A128KW, PBES2-HS384+A192KW, PBES2-HS512+A256KW |
| ECDH-ES |
✓ |
ECDH-ES, ECDH-ES+A128KW, ECDH-ES+A192KW, ECDH-ES+A256KW |
JWE Content Encryption Algorithm Support
|
Supported |
enc values |
| AES GCM |
✓ |
A128GCM, A192GCM, A256GCM |
| AES CBC w/ HMAC |
✓ |
A128CBC-HS256, A192CBC-HS384, A256CBC-HS512 |
See also