Debian packaging of the jose (Javascript Object Signing and Encryptions) C implementation

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README.md

build

Welcome to José!

José is a C-language implementation of the Javascript Object Signing and Encryption standards. Specifically, José aims towards implementing the following standards:

  • RFC 7515 - JSON Web Signature (JWS)
  • RFC 7516 - JSON Web Encryption (JWE)
  • RFC 7517 - JSON Web Key (JWK)
  • RFC 7518 - JSON Web Algorithms (JWA)
  • RFC 7519 - JSON Web Token (JWT)
  • RFC 7520 - Examples of ... JOSE
  • RFC 7638 - JSON Web Key (JWK) Thumbprint

José is extensively tested against the RFC test vectors.

Supported Algorithms

Algorithm Supported Algorithm Type JWK Type
HS256 YES Signature oct
HS384 YES Signature oct
HS512 YES Signature oct
RS256 YES Signature RSA
RS384 YES Signature RSA
RS512 YES Signature RSA
ES256 YES Signature EC
ES384 YES Signature EC
ES512 YES Signature EC
PS256 YES Signature RSA
PS384 YES Signature RSA
PS512 YES Signature RSA
none NO Signature N/A
RSA1_5 YES Key Wrap RSA
RSA-OAEP YES Key Wrap RSA
RSA-OAEP-256 YES Key Wrap RSA
A128KW YES Key Wrap oct
A192KW YES Key Wrap oct
A256KW YES Key Wrap oct
dir YES Key Wrap oct
ECDH-ES YES Key Wrap EC
ECDH-ES+A128KW YES Key Wrap EC
ECDH-ES+A192KW YES Key Wrap EC
ECDH-ES+A256KW YES Key Wrap EC
A128GCMKW YES Key Wrap oct
A192GCMKW YES Key Wrap oct
A256GCMKW YES Key Wrap oct
PBES2-HS256+A128KW YES Key Wrap N/A
PBES2-HS384+A192KW YES Key Wrap N/A
PBES2-HS512+A256KW YES Key Wrap N/A
A128CBC-HS256 YES Encryption oct
A192CBC-HS384 YES Encryption oct
A256CBC-HS512 YES Encryption oct
A128GCM YES Encryption oct
A192GCM YES Encryption oct
A256GCM YES Encryption oct

José Command-Line Utility

José provides a command-line utility which encompasses most of the JOSE features. This allows for easy integration into your project and one-off scripts. Below you will find examples of the common commands.

Key Management

José can generate keys, remove private keys and show thumbprints. For example:

# Generate three different kinds of keys
$ jose jwk gen -i '{"alg": "A128GCM"}' -o oct.jwk
$ jose jwk gen -i '{"alg": "RSA1_5"}' -o rsa.jwk
$ jose jwk gen -i '{"alg": "ES256"}' -o ec.jwk

# Remove the private keys
$ jose jwk pub -i oct.jwk -o oct.pub.jwk
$ jose jwk pub -i rsa.jwk -o rsa.pub.jwk
$ jose jwk pub -i ec.jwk -o ec.pub.jwk

# Calculate thumbprints
$ jose jwk thp -i oct.jwk
9ipMcxQLsI56Mqr3yYS8hJguJ6Mc8Zh6fkufoiKokrM
$ jose jwk thp -i rsa.jwk
rS6Yno3oQYRIztC6np62nthbmdydhrWmK2Zn_Izmerw
$ jose jwk thp -i ec.jwk
To8yMD92X82zvGoERAcDzlPP6awMYGM2HYDc1G5xOtc

Signatures

José can sign and verify data. For example:

$ echo hi | jose jws sig -i- -k ec.jwk -o msg.jws
$ jose jws ver -i msg.jws -k ec.pub.jwk
hi
$ jose jws ver -i msg.jws -k oct.jwk
No signatures validated!

Encryption

José can encrypt and decrypt data. For example:

$ echo hi | jose jwe enc -i- -k rsa.pub.jwk -o msg.jwe
$ jose jwe dec -i msg.jwe -k rsa.jwk
hi
$ jose jwe dec -i msg.jwe -k oct.jwk
Decryption failed!

Building and Installing from Source

Building Jose is fairly straightforward:

$ mkdir build && cd build
$ meson .. --prefix=/usr
$ ninja
$ sudo ninja install

You can even run the tests if you'd like:

$ meson test

To build a FreeBSD, HardenedBSD or OPNsense package use:

(as root) # pkg install meson pkgconf jansson openssl
$ mkdir build && cd build
$ meson .. --prefix=/usr/local
$ ninja
$ meson test
(as root) # ninja install

Once built it does not require meson and pkgconf, but still requires jansson and openssl.