NAME

       jose_b64 - URL-safe Base64 Encoding & Decoding.

SYNOPSIS

   Functions
       size_t jose_b64_dec (const json_t *i, void *o, size_t ol)
           Decodes a URL-safe Base64 JSON string to a buffer.
       jose_io_t * jose_b64_dec_io (jose_io_t *next)
           Creates a new IO object which performs URL-safe Base64 decoding.
       size_t jose_b64_dec_buf (const void *i, size_t il, void *o, size_t ol)
           Decodes a URL-safe Base64 buffer to an output buffer.
       json_t * jose_b64_dec_load (const json_t *i)
           Decodes a JSON string from a URL-safe Base64 JSON string.
       json_t * jose_b64_enc (const void *i, size_t il)
           Encodes data to a URL-safe Base64 JSON string.
       jose_io_t * jose_b64_enc_io (jose_io_t *next)
           Creates a new IO object which performs URL-safe Base64 encoding.
       size_t jose_b64_enc_buf (const void *i, size_t il, void *o, size_t ol)
           Encodes data to a URL-safe Base64 buffer.
       json_t * jose_b64_enc_dump (const json_t *i)
           Encodes the input JSON as a URL-safe Base64 JSON string.

Detailed Description

       URL-safe Base64 Encoding & Decoding.

Function Documentation

   size_t jose_b64_dec (const json_t * i, void * o, size_t ol)
       Decodes a URL-safe Base64 JSON string to a buffer. If o is NULL, the number of output
       bytes necessary is returned.

       This function will never write more than ol bytes. If the output buffer is too small, an
       error will occur.

       Parameters:
           i The input URL-safe Base64 JSON string.
           o The output buffer (may be NULL).
           ol The size of the output buffer.

       Returns:
           The number of bytes that were (or would be) written. If an error occurs, SIZE_MAX is
           returned.

   jose_io_t* jose_b64_dec_io (jose_io_t * next)
       Creates a new IO object which performs URL-safe Base64 decoding. All data written to the
       returned IO object will be decoded before passing it on to the next IO object in the
       chain.

       Parameters:
           next The next IO object in the chain.

       Returns:
           The new IO object or NULL on error.

   size_t jose_b64_dec_buf (const void * i, size_t il, void * o, size_t ol)
       Decodes a URL-safe Base64 buffer to an output buffer. If o is NULL, the number of output
       bytes necessary is returned.

       This function will never write more than ol bytes. If the output buffer is too small, an
       error will occur.

       Parameters:
           i The input URL-safe Base64 buffer.
           il The size of the data in the input buffer.
           o The output buffer.
           ol The size of the output buffer.

       Returns:
           The number of bytes that were (or would be) written. If an error occurs, SIZE_MAX is
           returned.

   json_t* jose_b64_dec_load (const json_t * i)
       Decodes a JSON string from a URL-safe Base64 JSON string.

       Parameters:
           i The input URL-safe Base64 JSON string containing JSON data.

       Returns:
           The output JSON data.

   json_t* jose_b64_enc (const void * i, size_t il)
       Encodes data to a URL-safe Base64 JSON string.

       Parameters:
           i The input buffer.
           il The size of the data in the input buffer.

       Returns:
           The decoded JSON data. If an error occurs, NULL is returned.

   jose_io_t* jose_b64_enc_io (jose_io_t * next)
       Creates a new IO object which performs URL-safe Base64 encoding. All data written to the
       returned IO object will be encoded before passing it on to the next IO object in the
       chain.

       Parameters:
           next The next IO object in the chain.

       Returns:
           The new IO object or NULL on error.

   size_t jose_b64_enc_buf (const void * i, size_t il, void * o, size_t ol)
       Encodes data to a URL-safe Base64 buffer. If o is NULL, the number of output bytes
       necessary is returned.

       This function will never write more than ol bytes. If the output buffer is too small, an
       error will occur.

       Parameters:
           i The input buffer.
           il The size of the data in the input buffer.
           o The output URL-safe Base64 buffer.
           ol The size of the output buffer.

       Returns:
           The number of bytes that were (or would be) written. If an error occurs, SIZE_MAX is
           returned.

   json_t* jose_b64_enc_dump (const json_t * i)
       Encodes the input JSON as a URL-safe Base64 JSON string.

       Parameters:
           i The input JSON data.

       Returns:
           The output URL-safe Base64 JSON string.

Author

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