Lines Matching full:gcm

123  *     no padding. This is true of most modern AEAD modes such as GCM.
331  * \brief Context structure for GCM.
333  * GCM is an AEAD mode that combines a block cipher in CTR mode with a
336  *   - Any block cipher with 16-byte blocks can be used with GCM.
349  * The GCM initialisation function receives as parameter an
352  * GCM context structure. It is up to the caller to allocate and
372  * \brief Initialize a GCM context.
378  * in the GCM context.
381  * be called, to provide the IV for GCM computation.
383  * \param ctx    GCM context structure.
391  * \brief Reset a GCM context.
393  * This function resets an already initialised GCM context for a new
395  * can be called at any time; it cancels any ongoing GCM computation that
398  * The provided IV is a _nonce_. It is critical to GCM security that IV
403  * \param ctx   GCM context structure.
404  * \param iv    GCM nonce to use.
405  * \param len   GCM nonce length (in bytes).
410  * \brief Inject additional authenticated data into GCM.
412  * The provided data is injected into a running GCM computation. Additional
418  * \param ctx    GCM context structure.
425  * \brief Finish injection of additional authenticated data into GCM.
432  * \param ctx   GCM context structure.
437  * \brief Encrypt or decrypt some data with GCM.
447  * \param ctx       GCM context structure.
455  * \brief Compute GCM authentication tag.
457  * Compute the GCM authentication tag. The tag is a 16-byte value which
459  * GCM run: no data may be processed with that GCM context afterwards,
460  * until `br_gcm_reset()` is called to initiate a new GCM run.
469  * \param ctx   GCM context structure.
475  * \brief Compute and check GCM authentication tag.
484  * \param ctx   GCM context structure.
491  * \brief Compute GCM authentication tag (with truncation).
506  * the GCM run: no data may be processed with that GCM context
507  * afterwards, until `br_gcm_reset()` is called to initiate a new GCM
517  * \param ctx   GCM context structure.
524  * \brief Compute and check GCM authentication tag (with truncation).
533  * Tag length MUST be 16 bytes or less. The normal GCM tag length is 16
537  * \param ctx   GCM context structure.
546  * \brief Class instance for GCM.