Gets the current ChaCha20/Poly1305 module used by jose_chacha20_poly1305, see chacha20_poly1305_module/1 for default.

Sets the current ChaCha20/Poly1305 module used by jose_chacha20_poly1305.

Currently supported ChaCha20/Poly1305 modules (first found is used as default):

• crypto - only when 96-bit nonce is supported
• libsodium
• jose_jwa_chacha20_poly1305 - only supported when crypto_fallback/0 is true

Additional modules that implement the jose_chacha20_poly1305 behavior may also be used.

Gets the current Cryptographic Algorithm Fallback state, defaults to false.

Sets the current Cryptographic Algorithm Fallback state.

Gets the current Curve448 module used by jose_curve448, see curve448_module/1 for default.

Sets the current Curve448 module used by jose_curve448.

Currently supported Curve448 modules (first found is used as default):

• libdecaf
• jose_jwa_curve448 - only supported when crypto_fallback/0 is true

Additional modules that implement the jose_curve448 behavior may also be used.

Gets the current Curve25519 module used by jose_curve25519, see curve25519_module/1 for default.

Sets the current Curve25519 module used by jose_curve25519.

Currently supported Curve25519 modules (first found is used as default):

• libdecaf
• libsodium
• jose_jwa_curve25519 - only supported when crypto_fallback/0 is true

Additional modules that implement the jose_curve25519 behavior may also be used.

Decode JSON to a term using the module returned by json_module/0.

Encode a term to JSON using the module returned by json_module/0.

Gets the current JSON module used by decode/1 and encode/1, see json_module/1 for default.

Sets the current JSON module used by decode/1 and encode/1.

Currently supported JSON modules (first found is used as default):

• ojson
• Jason
• Poison
• jiffy
• jsone
• jsx

Additional modules that implement the jose_json behavior may also be used.

Gets the current SHA3 module used by jose_sha3, see sha3_module/1 for default.

Sets the current SHA3 module used by jose_sha3.

Currently supported SHA3 modules (first found is used as default):

• keccakf1600
• libdecaf
• jose_jwa_sha3 - only supported when crypto_fallback/0 is true

Additional modules that implement the jose_sha3 behavior may also be used.

Gets the current Unsecured Signing state, defaults to false.

Sets the current Unsecured Signing state.

Enables/disables the "none" algorithm used for signing and verifying.

See Critical vulnerabilities in JSON Web Token libraries for more information.