object

jwt_jwk

JSON Web Key normalization and key material helpers.

Availability:
logtalk_load(jwt(loader))
Author: Paulo Moura
Version: 1:0:0
Date: 2026-07-06
Compilation flags:
static, context_switching_calls
Imports:
public jwt_helpers
Uses:
jwt_der
Remarks:
(none)
Inherited public predicates:
 check_option/1  check_options/1  default_option/1  default_options/1  option/2  option/3  valid_option/1  valid_options/1

Public predicates

public_key_pem/2

Converts a supported JWK public key into PEM SubjectPublicKeyInfo text.

Compilation flags:
static
Template:
public_key_pem(Key,PEM)
Mode and number of proofs:
public_key_pem(+term,-atom) - one_or_error
Exceptions:
Key is not a supported RSA or P-256 EC public JWK:
domain_error(jwt_jwk_public_key,Key)
Key contains Base64URL data with characters outside the Base64URL alphabet:
representation_error(base64)

symmetric_key_bytes/2

Extracts symmetric key bytes from an atom, byte wrapper, or octet JWK.

Compilation flags:
static
Template:
symmetric_key_bytes(Key,Bytes)
Mode and number of proofs:
symmetric_key_bytes(+term,-list(byte)) - one_or_error
Exceptions:
Key is not an atom, byte wrapper, or octet JWK with Base64URL key material:
domain_error(jwt_symmetric_key,Key)
Key contains Base64URL data with characters outside the Base64URL alphabet:
representation_error(base64)

compatible_key/2

Succeeds when a key is compatible with the requested JWT algorithm.

Compilation flags:
static
Template:
compatible_key(Key,Algorithm)
Mode and number of proofs:
compatible_key(+term,+atom) - zero_or_one

Protected predicates

(no local declarations; see entity ancestors if any)

Private predicates

(no local declarations; see entity ancestors if any)

Operators

(none)