Function nrfxlib_sys::ocrypto_aes_ccm_final_dec

source · 
pub unsafe extern "C" fn ocrypto_aes_ccm_final_dec(
    ctx: *mut ocrypto_aes_ccm_ctx,
    tag: *const u8,
    tag_len: usize
) -> c_int
Expand description

AES-CCM final decoder step.

The generator state * ctx - is used to finalize the decryption and check the tag.

  • ctx - Generator state.
  • tag - Received authentication tag.
  • tag_len - Length of * tag - .

Returns 0 If * tag - is valid. Returns -1 Otherwise.