mbedtls_poly1305_init() function
This function initializes the specified Poly1305 context. It must be the first API called before using the context. It is usually followed by a call to \c mbedtls_poly1305_starts(), then one or more calls to \c mbedtls_poly1305_update(), then one call to \c mbedtls_poly1305_finish(), then finally \c mbedtls_poly1305_free().
Arguments
ctx
The Poly1305 context to initialize. This must not be \c NULL.