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Commit | Line | Data |
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d4a8f90c | 1 | /* |
6738bf14 | 2 | * Copyright 2002-2018 The OpenSSL Project Authors. All Rights Reserved. |
4d94ae00 | 3 | * |
846e33c7 RS |
4 | * Licensed under the OpenSSL license (the "License"). You may not use |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
4d94ae00 | 8 | */ |
4d94ae00 | 9 | |
6e04afb8 | 10 | #include <openssl/opensslconf.h> |
effaf4de RS |
11 | #ifdef OPENSSL_NO_EC |
12 | NON_EMPTY_TRANSLATION_UNIT | |
13 | #else | |
14 | ||
0f113f3e MC |
15 | # include <stdio.h> |
16 | # include <stdlib.h> | |
17 | # include <string.h> | |
18 | # include "apps.h" | |
dab2cd68 | 19 | # include "progs.h" |
0f113f3e MC |
20 | # include <openssl/bio.h> |
21 | # include <openssl/err.h> | |
22 | # include <openssl/evp.h> | |
23 | # include <openssl/pem.h> | |
4d94ae00 | 24 | |
7e1b7485 RS |
25 | static OPT_PAIR conv_forms[] = { |
26 | {"compressed", POINT_CONVERSION_COMPRESSED}, | |
27 | {"uncompressed", POINT_CONVERSION_UNCOMPRESSED}, | |
28 | {"hybrid", POINT_CONVERSION_HYBRID}, | |
29 | {NULL} | |
30 | }; | |
4d94ae00 | 31 | |
7e1b7485 RS |
32 | static OPT_PAIR param_enc[] = { |
33 | {"named_curve", OPENSSL_EC_NAMED_CURVE}, | |
34 | {"explicit", 0}, | |
35 | {NULL} | |
36 | }; | |
37 | ||
38 | typedef enum OPTION_choice { | |
39 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | |
40 | OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT, | |
41 | OPT_NOOUT, OPT_TEXT, OPT_PARAM_OUT, OPT_PUBIN, OPT_PUBOUT, | |
16754806 | 42 | OPT_PASSIN, OPT_PASSOUT, OPT_PARAM_ENC, OPT_CONV_FORM, OPT_CIPHER, |
7565cbc4 | 43 | OPT_NO_PUBLIC, OPT_CHECK |
7e1b7485 | 44 | } OPTION_CHOICE; |
4d94ae00 | 45 | |
44c83ebd | 46 | const OPTIONS ec_options[] = { |
7e1b7485 | 47 | {"help", OPT_HELP, '-', "Display this summary"}, |
d18ba3cc DSH |
48 | {"in", OPT_IN, 's', "Input file"}, |
49 | {"inform", OPT_INFORM, 'f', "Input format - DER or PEM"}, | |
7e1b7485 RS |
50 | {"out", OPT_OUT, '>', "Output file"}, |
51 | {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"}, | |
7e1b7485 RS |
52 | {"noout", OPT_NOOUT, '-', "Don't print key out"}, |
53 | {"text", OPT_TEXT, '-', "Print the key"}, | |
54 | {"param_out", OPT_PARAM_OUT, '-', "Print the elliptic curve parameters"}, | |
16e1b281 F |
55 | {"pubin", OPT_PUBIN, '-', "Expect a public key in input file"}, |
56 | {"pubout", OPT_PUBOUT, '-', "Output public key, not private"}, | |
16754806 | 57 | {"no_public", OPT_NO_PUBLIC, '-', "exclude public key from private key"}, |
7565cbc4 | 58 | {"check", OPT_CHECK, '-', "check key consistency"}, |
7e1b7485 RS |
59 | {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, |
60 | {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"}, | |
61 | {"param_enc", OPT_PARAM_ENC, 's', | |
62 | "Specifies the way the ec parameters are encoded"}, | |
63 | {"conv_form", OPT_CONV_FORM, 's', "Specifies the point conversion form "}, | |
64 | {"", OPT_CIPHER, '-', "Any supported cipher"}, | |
9c3bcfa0 RS |
65 | # ifndef OPENSSL_NO_ENGINE |
66 | {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, | |
67 | # endif | |
7e1b7485 RS |
68 | {NULL} |
69 | }; | |
4d94ae00 | 70 | |
7e1b7485 | 71 | int ec_main(int argc, char **argv) |
4d94ae00 | 72 | { |
7e1b7485 | 73 | BIO *in = NULL, *out = NULL; |
396ba1ca | 74 | ENGINE *e = NULL; |
0f113f3e MC |
75 | EC_KEY *eckey = NULL; |
76 | const EC_GROUP *group; | |
0f113f3e | 77 | const EVP_CIPHER *enc = NULL; |
0f113f3e | 78 | point_conversion_form_t form = POINT_CONVERSION_UNCOMPRESSED; |
333b070e RS |
79 | char *infile = NULL, *outfile = NULL, *prog; |
80 | char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL; | |
7e1b7485 RS |
81 | OPTION_CHOICE o; |
82 | int asn1_flag = OPENSSL_EC_NAMED_CURVE, new_form = 0, new_asn1_flag = 0; | |
83 | int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, noout = 0; | |
3b061a00 | 84 | int pubin = 0, pubout = 0, param_out = 0, i, ret = 1, private = 0; |
7565cbc4 | 85 | int no_public = 0, check = 0; |
4d94ae00 | 86 | |
7e1b7485 RS |
87 | prog = opt_init(argc, argv, ec_options); |
88 | while ((o = opt_next()) != OPT_EOF) { | |
89 | switch (o) { | |
90 | case OPT_EOF: | |
91 | case OPT_ERR: | |
92 | opthelp: | |
93 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
94 | goto end; | |
95 | case OPT_HELP: | |
96 | opt_help(ec_options); | |
97 | ret = 0; | |
98 | goto end; | |
99 | case OPT_INFORM: | |
d18ba3cc | 100 | if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat)) |
7e1b7485 RS |
101 | goto opthelp; |
102 | break; | |
103 | case OPT_IN: | |
104 | infile = opt_arg(); | |
105 | break; | |
106 | case OPT_OUTFORM: | |
107 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat)) | |
108 | goto opthelp; | |
109 | break; | |
110 | case OPT_OUT: | |
111 | outfile = opt_arg(); | |
112 | break; | |
113 | case OPT_NOOUT: | |
0f113f3e | 114 | noout = 1; |
7e1b7485 RS |
115 | break; |
116 | case OPT_TEXT: | |
0f113f3e | 117 | text = 1; |
7e1b7485 RS |
118 | break; |
119 | case OPT_PARAM_OUT: | |
0f113f3e | 120 | param_out = 1; |
7e1b7485 RS |
121 | break; |
122 | case OPT_PUBIN: | |
0f113f3e | 123 | pubin = 1; |
7e1b7485 RS |
124 | break; |
125 | case OPT_PUBOUT: | |
0f113f3e | 126 | pubout = 1; |
7e1b7485 RS |
127 | break; |
128 | case OPT_PASSIN: | |
129 | passinarg = opt_arg(); | |
130 | break; | |
131 | case OPT_PASSOUT: | |
132 | passoutarg = opt_arg(); | |
133 | break; | |
134 | case OPT_ENGINE: | |
d18ba3cc | 135 | e = setup_engine(opt_arg(), 0); |
7e1b7485 RS |
136 | break; |
137 | case OPT_CIPHER: | |
138 | if (!opt_cipher(opt_unknown(), &enc)) | |
139 | goto opthelp; | |
cc630cdb | 140 | break; |
7e1b7485 RS |
141 | case OPT_CONV_FORM: |
142 | if (!opt_pair(opt_arg(), conv_forms, &i)) | |
143 | goto opthelp; | |
144 | new_form = 1; | |
145 | form = i; | |
146 | break; | |
147 | case OPT_PARAM_ENC: | |
148 | if (!opt_pair(opt_arg(), param_enc, &i)) | |
149 | goto opthelp; | |
150 | new_asn1_flag = 1; | |
151 | asn1_flag = i; | |
0f113f3e | 152 | break; |
16754806 DSH |
153 | case OPT_NO_PUBLIC: |
154 | no_public = 1; | |
155 | break; | |
7565cbc4 DSH |
156 | case OPT_CHECK: |
157 | check = 1; | |
158 | break; | |
0f113f3e | 159 | } |
0f113f3e | 160 | } |
7e1b7485 | 161 | argc = opt_num_rest(); |
03358517 KR |
162 | if (argc != 0) |
163 | goto opthelp; | |
164 | ||
3b061a00 | 165 | private = param_out || pubin || pubout ? 0 : 1; |
7eff6aa0 | 166 | if (text && !pubin) |
3b061a00 | 167 | private = 1; |
4d94ae00 | 168 | |
7e1b7485 | 169 | if (!app_passwd(passinarg, passoutarg, &passin, &passout)) { |
0f113f3e MC |
170 | BIO_printf(bio_err, "Error getting passwords\n"); |
171 | goto end; | |
172 | } | |
4d94ae00 | 173 | |
d18ba3cc DSH |
174 | if (informat != FORMAT_ENGINE) { |
175 | in = bio_open_default(infile, 'r', informat); | |
176 | if (in == NULL) | |
177 | goto end; | |
178 | } | |
4d94ae00 | 179 | |
0f113f3e MC |
180 | BIO_printf(bio_err, "read EC key\n"); |
181 | if (informat == FORMAT_ASN1) { | |
182 | if (pubin) | |
183 | eckey = d2i_EC_PUBKEY_bio(in, NULL); | |
184 | else | |
185 | eckey = d2i_ECPrivateKey_bio(in, NULL); | |
d18ba3cc DSH |
186 | } else if (informat == FORMAT_ENGINE) { |
187 | EVP_PKEY *pkey; | |
188 | if (pubin) | |
28b86f31 | 189 | pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key"); |
d18ba3cc DSH |
190 | else |
191 | pkey = load_key(infile, informat, 1, passin, e, "Private Key"); | |
192 | if (pkey != NULL) { | |
193 | eckey = EVP_PKEY_get1_EC_KEY(pkey); | |
194 | EVP_PKEY_free(pkey); | |
195 | } | |
7e1b7485 | 196 | } else { |
0f113f3e MC |
197 | if (pubin) |
198 | eckey = PEM_read_bio_EC_PUBKEY(in, NULL, NULL, NULL); | |
199 | else | |
200 | eckey = PEM_read_bio_ECPrivateKey(in, NULL, NULL, passin); | |
0f113f3e MC |
201 | } |
202 | if (eckey == NULL) { | |
203 | BIO_printf(bio_err, "unable to load Key\n"); | |
204 | ERR_print_errors(bio_err); | |
205 | goto end; | |
206 | } | |
4d94ae00 | 207 | |
bdd58d98 | 208 | out = bio_open_owner(outfile, outformat, private); |
7e1b7485 RS |
209 | if (out == NULL) |
210 | goto end; | |
4d94ae00 | 211 | |
0f113f3e | 212 | group = EC_KEY_get0_group(eckey); |
9dd84053 | 213 | |
0f113f3e MC |
214 | if (new_form) |
215 | EC_KEY_set_conv_form(eckey, form); | |
4d94ae00 | 216 | |
0f113f3e MC |
217 | if (new_asn1_flag) |
218 | EC_KEY_set_asn1_flag(eckey, asn1_flag); | |
eefa6e4e | 219 | |
16754806 DSH |
220 | if (no_public) |
221 | EC_KEY_set_enc_flags(eckey, EC_PKEY_NO_PUBKEY); | |
222 | ||
3b061a00 | 223 | if (text) { |
7eff6aa0 | 224 | assert(pubin || private); |
0f113f3e MC |
225 | if (!EC_KEY_print(out, eckey, 0)) { |
226 | perror(outfile); | |
227 | ERR_print_errors(bio_err); | |
228 | goto end; | |
229 | } | |
3b061a00 | 230 | } |
4d94ae00 | 231 | |
7565cbc4 DSH |
232 | if (check) { |
233 | if (EC_KEY_check_key(eckey) == 1) { | |
234 | BIO_printf(bio_err, "EC Key valid.\n"); | |
235 | } else { | |
236 | BIO_printf(bio_err, "EC Key Invalid!\n"); | |
237 | ERR_print_errors(bio_err); | |
238 | } | |
239 | } | |
240 | ||
0f113f3e MC |
241 | if (noout) { |
242 | ret = 0; | |
243 | goto end; | |
244 | } | |
eefa6e4e | 245 | |
0f113f3e MC |
246 | BIO_printf(bio_err, "writing EC key\n"); |
247 | if (outformat == FORMAT_ASN1) { | |
2234212c | 248 | if (param_out) { |
0f113f3e | 249 | i = i2d_ECPKParameters_bio(out, group); |
2234212c | 250 | } else if (pubin || pubout) { |
0f113f3e | 251 | i = i2d_EC_PUBKEY_bio(out, eckey); |
2234212c | 252 | } else { |
3b061a00 | 253 | assert(private); |
0f113f3e | 254 | i = i2d_ECPrivateKey_bio(out, eckey); |
3b061a00 | 255 | } |
7e1b7485 | 256 | } else { |
2234212c | 257 | if (param_out) { |
0f113f3e | 258 | i = PEM_write_bio_ECPKParameters(out, group); |
2234212c | 259 | } else if (pubin || pubout) { |
0f113f3e | 260 | i = PEM_write_bio_EC_PUBKEY(out, eckey); |
2234212c | 261 | } else { |
3b061a00 | 262 | assert(private); |
0f113f3e MC |
263 | i = PEM_write_bio_ECPrivateKey(out, eckey, enc, |
264 | NULL, 0, NULL, passout); | |
3b061a00 | 265 | } |
0f113f3e | 266 | } |
eefa6e4e | 267 | |
0f113f3e MC |
268 | if (!i) { |
269 | BIO_printf(bio_err, "unable to write private key\n"); | |
270 | ERR_print_errors(bio_err); | |
2234212c | 271 | } else { |
0f113f3e | 272 | ret = 0; |
2234212c | 273 | } |
0f113f3e | 274 | end: |
ca3a82c3 RS |
275 | BIO_free(in); |
276 | BIO_free_all(out); | |
8fdc3734 | 277 | EC_KEY_free(eckey); |
dd1abd44 | 278 | release_engine(e); |
b548a1f1 RS |
279 | OPENSSL_free(passin); |
280 | OPENSSL_free(passout); | |
26a7d938 | 281 | return ret; |
4d94ae00 BM |
282 | } |
283 | #endif |