jwt.h

Go to the documentation of this file.

/*
 * Copyright (c) 2018 Linaro Ltd
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_DATA_JWT_H_
#define ZEPHYR_INCLUDE_DATA_JWT_H_
 
#include <zephyr/types.h>
#include <stdbool.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct jwt_builder {
        char *base;
 
        char *buf;
 
        size_t len;
 
        bool overflowed;
 
        /* Pending bytes yet to be converted to base64. */
        unsigned char wip[3];
 
        /* Number of pending bytes. */
        int pending;
};
 
int jwt_init_builder(struct jwt_builder *builder,
                     char *buffer,
                     size_t buffer_size);
 
int jwt_add_payload(struct jwt_builder *builder,
                    int32_t exp,
                    int32_t iat,
                    const char *aud);
 
int jwt_sign(struct jwt_builder *builder,
             const char *der_key,
             size_t der_key_len);
 
 
static inline size_t jwt_payload_len(struct jwt_builder *builder)
{
        return (builder->buf - builder->base);
}
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_DATA_JWT_H_ */