diff options
Diffstat (limited to '')
-rw-r--r-- | src/lib/libcrypto/bn/bn_print.c | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/src/lib/libcrypto/bn/bn_print.c b/src/lib/libcrypto/bn/bn_print.c deleted file mode 100644 index cd8b663602..0000000000 --- a/src/lib/libcrypto/bn/bn_print.c +++ /dev/null | |||
@@ -1,191 +0,0 @@ | |||
1 | /* $OpenBSD: bn_print.c,v 1.47 2024/03/02 09:18:28 tb Exp $ */ | ||
2 | |||
3 | /* | ||
4 | * Copyright (c) 2023 Theo Buehler <tb@openbsd.org> | ||
5 | * | ||
6 | * Permission to use, copy, modify, and distribute this software for any | ||
7 | * purpose with or without fee is hereby granted, provided that the above | ||
8 | * copyright notice and this permission notice appear in all copies. | ||
9 | * | ||
10 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
11 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
12 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | ||
13 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
14 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
15 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | ||
16 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
17 | */ | ||
18 | |||
19 | #include <ctype.h> | ||
20 | #include <stdarg.h> | ||
21 | #include <stdio.h> | ||
22 | #include <stdint.h> | ||
23 | #include <stdlib.h> | ||
24 | |||
25 | #include <openssl/bio.h> | ||
26 | #include <openssl/bn.h> | ||
27 | |||
28 | #include "bio_local.h" | ||
29 | #include "bn_local.h" | ||
30 | #include "bytestring.h" | ||
31 | |||
32 | static int | ||
33 | bn_print_zero(BIO *bio, const BIGNUM *bn) | ||
34 | { | ||
35 | if (!BN_is_zero(bn)) | ||
36 | return 0; | ||
37 | if (BIO_printf(bio, " 0\n") <= 0) | ||
38 | return 0; | ||
39 | return 1; | ||
40 | } | ||
41 | |||
42 | static int | ||
43 | bn_print_word(BIO *bio, const BIGNUM *bn) | ||
44 | { | ||
45 | unsigned long long word; | ||
46 | const char *neg = ""; | ||
47 | |||
48 | if (BN_is_zero(bn) || BN_num_bytes(bn) > BN_BYTES) | ||
49 | return 0; | ||
50 | |||
51 | if (BN_is_negative(bn)) | ||
52 | neg = "-"; | ||
53 | |||
54 | word = BN_get_word(bn); | ||
55 | if (BIO_printf(bio, " %s%llu (%s0x%llx)\n", neg, word, neg, word) <= 0) | ||
56 | return 0; | ||
57 | |||
58 | return 1; | ||
59 | } | ||
60 | |||
61 | static int | ||
62 | bn_print_bignum(BIO *bio, const BIGNUM *bn, int indent) | ||
63 | { | ||
64 | CBS cbs; | ||
65 | char *hex = NULL; | ||
66 | size_t hex_len = 0; | ||
67 | size_t octets = 0; | ||
68 | uint8_t hi, lo; | ||
69 | const char *sep = ":"; | ||
70 | int ret = 0; | ||
71 | |||
72 | if (BN_num_bytes(bn) <= BN_BYTES) | ||
73 | goto err; | ||
74 | |||
75 | /* Secondary indent is 4 spaces, capped at 128. */ | ||
76 | if (indent > 124) | ||
77 | indent = 124; | ||
78 | indent += 4; | ||
79 | if (indent < 0) | ||
80 | indent = 0; | ||
81 | |||
82 | if (!bn_bn2hex_nosign(bn, &hex, &hex_len)) | ||
83 | goto err; | ||
84 | |||
85 | CBS_init(&cbs, hex, hex_len); | ||
86 | |||
87 | if (BN_is_negative(bn)) { | ||
88 | if (BIO_printf(bio, " (Negative)") <= 0) | ||
89 | goto err; | ||
90 | } | ||
91 | |||
92 | while (CBS_len(&cbs) > 0) { | ||
93 | if (!CBS_get_u8(&cbs, &hi)) | ||
94 | goto err; | ||
95 | if (!CBS_get_u8(&cbs, &lo)) | ||
96 | goto err; | ||
97 | if (octets++ % 15 == 0) { | ||
98 | if (BIO_printf(bio, "\n%*s", indent, "") <= 0) | ||
99 | goto err; | ||
100 | } | ||
101 | /* First nibble has the high bit set. Insert leading 0 octet. */ | ||
102 | if (octets == 1 && hi >= '8') { | ||
103 | if (BIO_printf(bio, "00:") <= 0) | ||
104 | goto err; | ||
105 | octets++; | ||
106 | } | ||
107 | if (CBS_len(&cbs) == 0) | ||
108 | sep = ""; | ||
109 | if (BIO_printf(bio, "%c%c%s", tolower(hi), tolower(lo), sep) <= 0) | ||
110 | goto err; | ||
111 | } | ||
112 | |||
113 | if (BIO_printf(bio, "\n") <= 0) | ||
114 | goto err; | ||
115 | |||
116 | ret = 1; | ||
117 | |||
118 | err: | ||
119 | freezero(hex, hex_len); | ||
120 | |||
121 | return ret; | ||
122 | } | ||
123 | |||
124 | int | ||
125 | bn_printf(BIO *bio, const BIGNUM *bn, int indent, const char *fmt, ...) | ||
126 | { | ||
127 | va_list ap; | ||
128 | int rv; | ||
129 | |||
130 | if (bn == NULL) | ||
131 | return 1; | ||
132 | |||
133 | if (!BIO_indent(bio, indent, 128)) | ||
134 | return 0; | ||
135 | |||
136 | va_start(ap, fmt); | ||
137 | rv = BIO_vprintf(bio, fmt, ap); | ||
138 | va_end(ap); | ||
139 | if (rv < 0) | ||
140 | return 0; | ||
141 | |||
142 | if (BN_is_zero(bn)) | ||
143 | return bn_print_zero(bio, bn); | ||
144 | |||
145 | if (BN_num_bytes(bn) <= BN_BYTES) | ||
146 | return bn_print_word(bio, bn); | ||
147 | |||
148 | return bn_print_bignum(bio, bn, indent); | ||
149 | } | ||
150 | |||
151 | int | ||
152 | BN_print(BIO *bio, const BIGNUM *bn) | ||
153 | { | ||
154 | char *hex = NULL; | ||
155 | size_t hex_len = 0; | ||
156 | int ret = 0; | ||
157 | |||
158 | if (!bn_bn2hex_nibbles(bn, &hex, &hex_len)) | ||
159 | goto err; | ||
160 | if (BIO_printf(bio, "%s", hex) <= 0) | ||
161 | goto err; | ||
162 | |||
163 | ret = 1; | ||
164 | |||
165 | err: | ||
166 | freezero(hex, hex_len); | ||
167 | |||
168 | return ret; | ||
169 | } | ||
170 | LCRYPTO_ALIAS(BN_print); | ||
171 | |||
172 | int | ||
173 | BN_print_fp(FILE *fp, const BIGNUM *bn) | ||
174 | { | ||
175 | char *hex = NULL; | ||
176 | size_t hex_len = 0; | ||
177 | int ret = 0; | ||
178 | |||
179 | if (!bn_bn2hex_nibbles(bn, &hex, &hex_len)) | ||
180 | goto err; | ||
181 | if (fprintf(fp, "%s", hex) < 0) | ||
182 | goto err; | ||
183 | |||
184 | ret = 1; | ||
185 | |||
186 | err: | ||
187 | freezero(hex, hex_len); | ||
188 | |||
189 | return ret; | ||
190 | } | ||
191 | LCRYPTO_ALIAS(BN_print_fp); | ||