Function ocrypto_poly1305_update 

pub unsafe extern "C" fn ocrypto_poly1305_update(
    ctx: *mut ocrypto_poly1305_ctx,
    in_: *const u8,
    in_len: usize,
)

Poly1305 generator.

The generator state * ctx - is updated to authenticate a message chunk * in - .

This function can be called repeatedly on arbitrarily small chunks of the message until the whole message has been processed.

• ctx - Generator state.
• in - Input data.
• in_len - Length of * in - .

@remark Initialization of the generator state * ctx - through * ocrypto_poly1305_init - is required before this function can be called.