crypto/xilinx/zynqmp-aes-gcm.c

80 	struct zynqmp_aead_tfm_ctx *tfm_ctx = crypto_aead_ctx(aead);
82 	struct device *dev = tfm_ctx->dev;
92 	if (tfm_ctx->keysrc == ZYNQMP_AES_KUP_KEY)
116 	hwreq->keysrc = tfm_ctx->keysrc;
126 		       tfm_ctx->key, ZYNQMP_AES_KEY_SIZE);
177 static int zynqmp_fallback_check(struct zynqmp_aead_tfm_ctx *tfm_ctx,
183 	if (tfm_ctx->authsize != ZYNQMP_AES_AUTH_SIZE)
186 	if (tfm_ctx->keysrc == ZYNQMP_AES_KUP_KEY &&
187 	    tfm_ctx->keylen != ZYNQMP_AES_KEY_SIZE) {
210 	struct zynqmp_aead_tfm_ctx *tfm_ctx = crypto_aead_ctx(aead);
216 	need_fallback = zynqmp_fallback_check(tfm_ctx, areq);
219 		aead_request_set_tfm(subreq, tfm_ctx->fbk_cipher);
245 	struct zynqmp_aead_tfm_ctx *tfm_ctx =
254 			tfm_ctx->keysrc = (enum zynqmp_aead_keysrc)keysrc;
256 			tfm_ctx->keylen = keylen;
259 		tfm_ctx->keylen = keylen;
261 			tfm_ctx->keysrc = ZYNQMP_AES_KUP_KEY;
262 			memcpy(tfm_ctx->key, key, keylen);
266 	tfm_ctx->fbk_cipher->base.crt_flags &= ~CRYPTO_TFM_REQ_MASK;
267 	tfm_ctx->fbk_cipher->base.crt_flags |= (aead->base.crt_flags &
270 	return crypto_aead_setkey(tfm_ctx->fbk_cipher, key, keylen);
277 	struct zynqmp_aead_tfm_ctx *tfm_ctx =
280 	tfm_ctx->authsize = authsize;
281 	return crypto_aead_setauthsize(tfm_ctx->fbk_cipher, authsize);
313 	struct zynqmp_aead_tfm_ctx *tfm_ctx =
319 	tfm_ctx->dev = drv_ctx->dev;
321 	tfm_ctx->fbk_cipher = crypto_alloc_aead(drv_ctx->alg.aead.base.base.cra_name,
325 	if (IS_ERR(tfm_ctx->fbk_cipher)) {
328 		return PTR_ERR(tfm_ctx->fbk_cipher);
334 				    crypto_aead_reqsize(tfm_ctx->fbk_cipher)));
341 	struct zynqmp_aead_tfm_ctx *tfm_ctx =
344 	if (tfm_ctx->fbk_cipher) {
345 		crypto_free_aead(tfm_ctx->fbk_cipher);
346 		tfm_ctx->fbk_cipher = NULL;
348 	memzero_explicit(tfm_ctx, sizeof(struct zynqmp_aead_tfm_ctx));