70 static int ecrdsa_verify(struct akcipher_request *req)  in ecrdsa_verify()  argument
72 	struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);  in ecrdsa_verify()
76 	unsigned int ndigits = req->dst_len / sizeof(u64);  in ecrdsa_verify()
93 	    !req->src ||  in ecrdsa_verify()
95 	    req->dst_len != ctx->digest_len ||  in ecrdsa_verify()
96 	    req->dst_len != ctx->curve->g.ndigits * sizeof(u64) ||  in ecrdsa_verify()
98 	    req->dst_len * 2 != req->src_len ||  in ecrdsa_verify()
99 	    WARN_ON(req->src_len > sizeof(sig)) ||  in ecrdsa_verify()
100 	    WARN_ON(req->dst_len > sizeof(digest)))  in ecrdsa_verify()
103 	sg_copy_to_buffer(req->src, sg_nents_for_len(req->src, req->src_len),  in ecrdsa_verify()
104 			  sig, req->src_len);  in ecrdsa_verify()
105 	sg_pcopy_to_buffer(req->src,  in ecrdsa_verify()
106 			   sg_nents_for_len(req->src,  in ecrdsa_verify()
107 					    req->src_len + req->dst_len),  in ecrdsa_verify()
108 			   digest, req->dst_len, req->src_len);  in ecrdsa_verify()