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  }