2 * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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
12 #include <openssl/core_dispatch.h>
13 #include <openssl/core_names.h>
14 /* For TLS1_VERSION etc */
15 #include <openssl/ssl.h>
16 #include <openssl/params.h>
17 #include "internal/nelem.h"
18 #include "internal/tlsgroups.h"
19 #include "prov/providercommon.h"
21 typedef struct tls_group_constants_st
{
22 unsigned int group_id
; /* Group ID */
23 unsigned int secbits
; /* Bits of security */
24 int mintls
; /* Minimum TLS version, -1 unsupported */
25 int maxtls
; /* Maximum TLS version (or 0 for undefined) */
26 int mindtls
; /* Minimum DTLS version, -1 unsupported */
27 int maxdtls
; /* Maximum DTLS version (or 0 for undefined) */
28 } TLS_GROUP_CONSTANTS
;
30 static const TLS_GROUP_CONSTANTS group_list
[35] = {
31 { OSSL_TLS_GROUP_ID_sect163k1
, 80, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
32 { OSSL_TLS_GROUP_ID_sect163r1
, 80, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
33 { OSSL_TLS_GROUP_ID_sect163r2
, 80, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
34 { OSSL_TLS_GROUP_ID_sect193r1
, 80, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
35 { OSSL_TLS_GROUP_ID_sect193r2
, 80, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
36 { OSSL_TLS_GROUP_ID_sect233k1
, 112, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
37 { OSSL_TLS_GROUP_ID_sect233r1
, 112, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
38 { OSSL_TLS_GROUP_ID_sect239k1
, 112, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
39 { OSSL_TLS_GROUP_ID_sect283k1
, 128, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
40 { OSSL_TLS_GROUP_ID_sect283r1
, 128, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
41 { OSSL_TLS_GROUP_ID_sect409k1
, 192, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
42 { OSSL_TLS_GROUP_ID_sect409r1
, 192, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
43 { OSSL_TLS_GROUP_ID_sect571k1
, 256, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
44 { OSSL_TLS_GROUP_ID_sect571r1
, 256, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
45 { OSSL_TLS_GROUP_ID_secp160k1
, 80, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
46 { OSSL_TLS_GROUP_ID_secp160r1
, 80, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
47 { OSSL_TLS_GROUP_ID_secp160r2
, 80, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
48 { OSSL_TLS_GROUP_ID_secp192k1
, 80, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
49 { OSSL_TLS_GROUP_ID_secp192r1
, 80, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
50 { OSSL_TLS_GROUP_ID_secp224k1
, 112, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
51 { OSSL_TLS_GROUP_ID_secp224r1
, 112, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
52 { OSSL_TLS_GROUP_ID_secp256k1
, 128, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
53 { OSSL_TLS_GROUP_ID_secp256r1
, 128, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
54 { OSSL_TLS_GROUP_ID_secp384r1
, 192, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
55 { OSSL_TLS_GROUP_ID_secp521r1
, 256, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
56 { OSSL_TLS_GROUP_ID_brainpoolP256r1
, 128, TLS1_VERSION
, TLS1_2_VERSION
,
57 DTLS1_VERSION
, DTLS1_2_VERSION
},
58 { OSSL_TLS_GROUP_ID_brainpoolP384r1
, 192, TLS1_VERSION
, TLS1_2_VERSION
,
59 DTLS1_VERSION
, DTLS1_2_VERSION
},
60 { OSSL_TLS_GROUP_ID_brainpoolP512r1
, 256, TLS1_VERSION
, TLS1_2_VERSION
,
61 DTLS1_VERSION
, DTLS1_2_VERSION
},
62 { OSSL_TLS_GROUP_ID_x25519
, 128, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
63 { OSSL_TLS_GROUP_ID_x448
, 224, TLS1_VERSION
, 0, DTLS1_VERSION
, 0 },
64 /* Security bit values as given by BN_security_bits() */
65 { OSSL_TLS_GROUP_ID_ffdhe2048
, 112, TLS1_3_VERSION
, 0, -1, -1 },
66 { OSSL_TLS_GROUP_ID_ffdhe3072
, 128, TLS1_3_VERSION
, 0, -1, -1 },
67 { OSSL_TLS_GROUP_ID_ffdhe4096
, 128, TLS1_3_VERSION
, 0, -1, -1 },
68 { OSSL_TLS_GROUP_ID_ffdhe6144
, 128, TLS1_3_VERSION
, 0, -1, -1 },
69 { OSSL_TLS_GROUP_ID_ffdhe8192
, 192, TLS1_3_VERSION
, 0, -1, -1 },
72 #define TLS_GROUP_ENTRY(tlsname, realname, algorithm, idx) \
74 OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_GROUP_NAME, \
77 OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_GROUP_NAME_INTERNAL, \
80 OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_GROUP_ALG, \
83 OSSL_PARAM_uint(OSSL_CAPABILITY_TLS_GROUP_ID, \
84 (unsigned int *)&group_list[idx].group_id), \
85 OSSL_PARAM_uint(OSSL_CAPABILITY_TLS_GROUP_SECURITY_BITS, \
86 (unsigned int *)&group_list[idx].secbits), \
87 OSSL_PARAM_int(OSSL_CAPABILITY_TLS_GROUP_MIN_TLS, \
88 (unsigned int *)&group_list[idx].mintls), \
89 OSSL_PARAM_int(OSSL_CAPABILITY_TLS_GROUP_MAX_TLS, \
90 (unsigned int *)&group_list[idx].maxtls), \
91 OSSL_PARAM_int(OSSL_CAPABILITY_TLS_GROUP_MIN_DTLS, \
92 (unsigned int *)&group_list[idx].mindtls), \
93 OSSL_PARAM_int(OSSL_CAPABILITY_TLS_GROUP_MAX_DTLS, \
94 (unsigned int *)&group_list[idx].maxdtls), \
98 static const OSSL_PARAM param_group_list
[][10] = {
100 TLS_GROUP_ENTRY("sect163k1", "sect163k1", "EC", 0),
102 TLS_GROUP_ENTRY("sect163r1", "sect163r1", "EC", 1),
104 TLS_GROUP_ENTRY("sect163r2", "sect163r2", "EC", 2),
106 TLS_GROUP_ENTRY("sect193r1", "sect193r1", "EC", 3),
107 TLS_GROUP_ENTRY("sect193r2", "sect193r2", "EC", 4),
109 TLS_GROUP_ENTRY("sect233k1", "sect233k1", "EC", 5),
110 TLS_GROUP_ENTRY("sect233r1", "sect233r1", "EC", 6),
112 TLS_GROUP_ENTRY("sect239k1", "sect239k1", "EC", 7),
114 TLS_GROUP_ENTRY("sect283k1", "sect283k1", "EC", 8),
115 TLS_GROUP_ENTRY("sect283r1", "sect283r1", "EC", 9),
116 TLS_GROUP_ENTRY("sect409k1", "sect409k1", "EC", 10),
117 TLS_GROUP_ENTRY("sect409r1", "sect409r1", "EC", 11),
118 TLS_GROUP_ENTRY("sect571k1", "sect571k1", "EC", 12),
119 TLS_GROUP_ENTRY("sect571r1", "sect571r1", "EC", 13),
121 TLS_GROUP_ENTRY("secp160k1", "secp160k1", "EC", 14),
122 TLS_GROUP_ENTRY("secp160r1", "secp160r1", "EC", 15),
123 TLS_GROUP_ENTRY("secp160r2", "secp160r2", "EC", 16),
124 TLS_GROUP_ENTRY("secp192k1", "secp192k1", "EC", 17),
126 TLS_GROUP_ENTRY("secp192r1", "prime192v1", "EC", 18),
128 TLS_GROUP_ENTRY("secp224k1", "secp224k1", "EC", 19),
130 TLS_GROUP_ENTRY("secp224r1", "secp224r1", "EC", 20),
132 TLS_GROUP_ENTRY("secp256k1", "secp256k1", "EC", 21),
134 TLS_GROUP_ENTRY("secp256r1", "prime256v1", "EC", 22),
135 TLS_GROUP_ENTRY("secp384r1", "secp384r1", "EC", 23),
136 TLS_GROUP_ENTRY("secp521r1", "secp521r1", "EC", 24),
138 TLS_GROUP_ENTRY("brainpoolP256r1", "brainpoolP256r1", "EC", 25),
139 TLS_GROUP_ENTRY("brainpoolP384r1", "brainpoolP384r1", "EC", 26),
140 TLS_GROUP_ENTRY("brainpoolP512r1", "brainpoolP512r1", "EC", 27),
142 TLS_GROUP_ENTRY("x25519", "x25519", "X25519", 28),
143 TLS_GROUP_ENTRY("x448", "x448", "X448", 29),
144 #endif /* OPENSSL_NO_EC */
145 #ifndef OPENSSL_NO_DH
146 /* Security bit values for FFDHE groups are as per RFC 7919 */
147 TLS_GROUP_ENTRY("ffdhe2048", "ffdhe2048", "DH", 30),
148 TLS_GROUP_ENTRY("ffdhe3072", "ffdhe3072", "DH", 31),
149 TLS_GROUP_ENTRY("ffdhe4096", "ffdhe4096", "DH", 32),
150 TLS_GROUP_ENTRY("ffdhe6144", "ffdhe6144", "DH", 33),
151 TLS_GROUP_ENTRY("ffdhe8192", "ffdhe8192", "DH", 34),
155 static int tls_group_capability(OSSL_CALLBACK
*cb
, void *arg
)
159 #if !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_DH) && !defined(FIPS_MODULE)
160 assert(OSSL_NELEM(param_group_list
) == OSSL_NELEM(group_list
));
162 for (i
= 0; i
< OSSL_NELEM(param_group_list
); i
++)
163 if (!cb(param_group_list
[i
], arg
))
169 int provider_get_capabilities(void *provctx
, const char *capability
,
170 OSSL_CALLBACK
*cb
, void *arg
)
172 if (strcmp(capability
, "TLS-GROUP") == 0)
173 return tls_group_capability(cb
, arg
);
175 /* We don't support this capability */