1 /*
2  * 'OpenSSL for Ruby' project
3  * Copyright (C) 2001-2002  Michal Rokos <m.rokos@sh.cvut.cz>
4  * All rights reserved.
5  */
6 /*
7  * This program is licensed under the same licence as Ruby.
8  * (See the file 'LICENCE'.)
9  */
10 #include RUBY_EXTCONF_H
11 
12 #include <string.h> /* memcpy() */
13 #if !defined(OPENSSL_NO_ENGINE)
14 # include <openssl/engine.h>
15 #endif
16 #if !defined(OPENSSL_NO_HMAC)
17 # include <openssl/hmac.h>
18 #endif
19 #include <openssl/x509_vfy.h>
20 
21 #include "openssl_missing.h"
22 
23 /* added in 1.0.2 */
24 #if !defined(OPENSSL_NO_EC)
25 #if !defined(HAVE_EC_CURVE_NIST2NID)
26 static struct {
27     const char *name;
28     int nid;
29 } nist_curves[] = {
30     {"B-163", NID_sect163r2},
31     {"B-233", NID_sect233r1},
32     {"B-283", NID_sect283r1},
33     {"B-409", NID_sect409r1},
34     {"B-571", NID_sect571r1},
35     {"K-163", NID_sect163k1},
36     {"K-233", NID_sect233k1},
37     {"K-283", NID_sect283k1},
38     {"K-409", NID_sect409k1},
39     {"K-571", NID_sect571k1},
40     {"P-192", NID_X9_62_prime192v1},
41     {"P-224", NID_secp224r1},
42     {"P-256", NID_X9_62_prime256v1},
43     {"P-384", NID_secp384r1},
44     {"P-521", NID_secp521r1}
45 };
46 
47 int
ossl_EC_curve_nist2nid(const char * name)48 ossl_EC_curve_nist2nid(const char *name)
49 {
50     size_t i;
51     for (i = 0; i < (sizeof(nist_curves) / sizeof(nist_curves[0])); i++) {
52 	if (!strcmp(nist_curves[i].name, name))
53 	    return nist_curves[i].nid;
54     }
55     return NID_undef;
56 }
57 #endif
58 #endif
59 
60 /*** added in 1.1.0 ***/
61 #if !defined(HAVE_HMAC_CTX_NEW)
62 HMAC_CTX *
ossl_HMAC_CTX_new(void)63 ossl_HMAC_CTX_new(void)
64 {
65     HMAC_CTX *ctx = OPENSSL_malloc(sizeof(HMAC_CTX));
66     if (!ctx)
67 	return NULL;
68     HMAC_CTX_init(ctx);
69     return ctx;
70 }
71 #endif
72 
73 #if !defined(HAVE_HMAC_CTX_FREE)
74 void
ossl_HMAC_CTX_free(HMAC_CTX * ctx)75 ossl_HMAC_CTX_free(HMAC_CTX *ctx)
76 {
77     if (ctx) {
78 	HMAC_CTX_cleanup(ctx);
79 	OPENSSL_free(ctx);
80     }
81 }
82 #endif
83 
84 #if !defined(HAVE_X509_CRL_GET0_SIGNATURE)
85 void
ossl_X509_CRL_get0_signature(const X509_CRL * crl,const ASN1_BIT_STRING ** psig,const X509_ALGOR ** palg)86 ossl_X509_CRL_get0_signature(const X509_CRL *crl, const ASN1_BIT_STRING **psig,
87 			     const X509_ALGOR **palg)
88 {
89     if (psig != NULL)
90 	*psig = crl->signature;
91     if (palg != NULL)
92 	*palg = crl->sig_alg;
93 }
94 #endif
95 
96 #if !defined(HAVE_X509_REQ_GET0_SIGNATURE)
97 void
ossl_X509_REQ_get0_signature(const X509_REQ * req,const ASN1_BIT_STRING ** psig,const X509_ALGOR ** palg)98 ossl_X509_REQ_get0_signature(const X509_REQ *req, const ASN1_BIT_STRING **psig,
99 			     const X509_ALGOR **palg)
100 {
101     if (psig != NULL)
102 	*psig = req->signature;
103     if (palg != NULL)
104 	*palg = req->sig_alg;
105 }
106 #endif
107