xref: /freebsd/crypto/libecc/src/utils/print_fp.c (revision f3087bef11543b42e0d69b708f367097a4118d24)
1 /*
2  *  Copyright (C) 2017 - This file is part of libecc project
3  *
4  *  Authors:
5  *      Ryad BENADJILA <ryadbenadjila@gmail.com>
6  *      Arnaud EBALARD <arnaud.ebalard@ssi.gouv.fr>
7  *      Jean-Pierre FLORI <jean-pierre.flori@ssi.gouv.fr>
8  *
9  *  Contributors:
10  *      Nicolas VIVET <nicolas.vivet@ssi.gouv.fr>
11  *      Karim KHALFALLAH <karim.khalfallah@ssi.gouv.fr>
12  *
13  *  This software is licensed under a dual BSD and GPL v2 license.
14  *  See LICENSE file at the root folder of the project.
15  */
16 #include <libecc/utils/print_fp.h>
17 
18 /* Print the context of a prime field Fp */
19 void fp_ctx_print(const char *msg, fp_ctx_src_t ctx)
20 {
21 	int ret;
22 
23 	MUST_HAVE(msg != NULL, ret, err);
24 	ret = fp_ctx_check_initialized(ctx); EG(ret, err);
25 
26 	ext_printf("%s:\n", msg);
27 	nn_print("\t fp_ctx->p", &(ctx->p));
28 	ext_printf("\t fp_ctx->mpinv 0x%016lx\n",
29 		   (long unsigned int)ctx->mpinv);
30 	nn_print("\t fp_ctx->r", &(ctx->r));
31 	nn_print("\t fp_ctx->r_square", &(ctx->r_square));
32 
33 err:
34 	return;
35 }
36 
37 /* Print the value of an Fp element */
38 void fp_print(const char *msg, fp_src_t a)
39 {
40 	int ret;
41 
42 	MUST_HAVE(msg != NULL, ret, err);
43 	ret = fp_check_initialized(a); EG(ret, err);
44 
45 	nn_print(msg, &(a->fp_val));
46 
47 err:
48 	return;
49 }
50 
51 /* Print the value and Fp context of an Fp element */
52 void fp_print_all(const char *msg, fp_src_t a)
53 {
54 	int ret;
55 
56 	MUST_HAVE(msg != NULL, ret, err);
57 	ret = fp_check_initialized(a); EG(ret, err);
58 
59 	ext_printf("%s:\n", msg);
60 	nn_print("\t fp_val", &(a->fp_val));
61 	fp_ctx_print("", a->ctx);
62 
63 err:
64 	return;
65 }
66