hisilicon/hpre/hpre_crypto.c

7 #include <crypto/ecdh.h>
129 		struct hpre_ecdh_ctx ecdh;
144 		struct kpp_request *ecdh;
1221 	if (is_ecdh && ctx->ecdh.p) {
1222 		/* ecdh: p->a->k->b */
1223 		memzero_explicit(ctx->ecdh.p + shift, sz);
1224 		dma_free_coherent(dev, sz << 3, ctx->ecdh.p, ctx->ecdh.dma_p);
1225 		ctx->ecdh.p = NULL;
1273 static int hpre_ecdh_fill_curve(struct hpre_ctx *ctx, struct ecdh *params,
1278 	void *p = ctx->ecdh.p + ctx->key_sz - cur_sz;
1279 	void *a = ctx->ecdh.p + shifta - cur_sz;
1280 	void *b = ctx->ecdh.p + shiftb - cur_sz;
1281 	void *x = ctx->ecdh.g + ctx->key_sz - cur_sz;
1282 	void *y = ctx->ecdh.g + shifta - cur_sz;
1325 static int hpre_ecdh_set_param(struct hpre_ctx *ctx, struct ecdh *params)
1341 	if (!ctx->ecdh.p) {
1342 		ctx->ecdh.p = dma_alloc_coherent(dev, sz << 3, &ctx->ecdh.dma_p,
1344 		if (!ctx->ecdh.p)
1349 	ctx->ecdh.g = ctx->ecdh.p + shift;
1350 	ctx->ecdh.dma_g = ctx->ecdh.dma_p + shift;
1355 		dma_free_coherent(dev, sz << 3, ctx->ecdh.p, ctx->ecdh.dma_p);
1356 		ctx->ecdh.p = NULL;
1374 static int ecdh_gen_privkey(struct hpre_ctx *ctx, struct ecdh *params)
1401 	struct ecdh params;
1405 		dev_err(dev, "failed to decode ecdh key!\n");
1439 	memcpy(ctx->ecdh.p + sz_shift, params.key, params.key_size);
1481 	areq = req->areq.ecdh;
1514 	h_req->areq.ecdh = req;
1519 	msg->key = cpu_to_le64(ctx->ecdh.dma_p);
1599 		dev_err(dev, "failed to set ecdh request, ret = %d!\n", ret);
1610 		msg->in = cpu_to_le64(ctx->ecdh.dma_g);
2052 			.cra_name = "ecdh-nist-p192",
2053 			.cra_driver_name = "hpre-ecdh-nist-p192",
2066 			.cra_name = "ecdh-nist-p256",
2067 			.cra_driver_name = "hpre-ecdh-nist-p256",
2080 			.cra_name = "ecdh-nist-p384",
2081 			.cra_driver_name = "hpre-ecdh-nist-p384",