1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/*
* Copyright 2015-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#ifndef OSSL_CRYPTO_ASN1_H
# define OSSL_CRYPTO_ASN1_H
# pragma once
# include <openssl/asn1.h>
# include <openssl/core_dispatch.h> /* OSSL_FUNC_keymgmt_import() */
/* Internal ASN1 structures and functions: not for application use */
/* ASN1 public key method structure */
#include <openssl/core.h>
struct evp_pkey_asn1_method_st {
int pkey_id;
int pkey_base_id;
unsigned long pkey_flags;
char *pem_str;
char *info;
int (*pub_decode) (EVP_PKEY *pk, const X509_PUBKEY *pub);
int (*pub_encode) (X509_PUBKEY *pub, const EVP_PKEY *pk);
int (*pub_cmp) (const EVP_PKEY *a, const EVP_PKEY *b);
int (*pub_print) (BIO *out, const EVP_PKEY *pkey, int indent,
ASN1_PCTX *pctx);
int (*priv_decode) (EVP_PKEY *pk, const PKCS8_PRIV_KEY_INFO *p8inf);
int (*priv_encode) (PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk);
int (*priv_print) (BIO *out, const EVP_PKEY *pkey, int indent,
ASN1_PCTX *pctx);
int (*pkey_size) (const EVP_PKEY *pk);
int (*pkey_bits) (const EVP_PKEY *pk);
int (*pkey_security_bits) (const EVP_PKEY *pk);
int (*param_decode) (EVP_PKEY *pkey,
const unsigned char **pder, int derlen);
int (*param_encode) (const EVP_PKEY *pkey, unsigned char **pder);
int (*param_missing) (const EVP_PKEY *pk);
int (*param_copy) (EVP_PKEY *to, const EVP_PKEY *from);
int (*param_cmp) (const EVP_PKEY *a, const EVP_PKEY *b);
int (*param_print) (BIO *out, const EVP_PKEY *pkey, int indent,
ASN1_PCTX *pctx);
int (*sig_print) (BIO *out,
const X509_ALGOR *sigalg, const ASN1_STRING *sig,
int indent, ASN1_PCTX *pctx);
void (*pkey_free) (EVP_PKEY *pkey);
int (*pkey_ctrl) (EVP_PKEY *pkey, int op, long arg1, void *arg2);
/* Legacy functions for old PEM */
int (*old_priv_decode) (EVP_PKEY *pkey,
const unsigned char **pder, int derlen);
int (*old_priv_encode) (const EVP_PKEY *pkey, unsigned char **pder);
/* Custom ASN1 signature verification */
int (*item_verify) (EVP_MD_CTX *ctx, const ASN1_ITEM *it, const void *data,
const X509_ALGOR *a, const ASN1_BIT_STRING *sig,
EVP_PKEY *pkey);
int (*item_sign) (EVP_MD_CTX *ctx, const ASN1_ITEM *it, const void *data,
X509_ALGOR *alg1, X509_ALGOR *alg2,
ASN1_BIT_STRING *sig);
int (*siginf_set) (X509_SIG_INFO *siginf, const X509_ALGOR *alg,
const ASN1_STRING *sig);
/* Check */
int (*pkey_check) (const EVP_PKEY *pk);
int (*pkey_public_check) (const EVP_PKEY *pk);
int (*pkey_param_check) (const EVP_PKEY *pk);
/* Get/set raw private/public key data */
int (*set_priv_key) (EVP_PKEY *pk, const unsigned char *priv, size_t len);
int (*set_pub_key) (EVP_PKEY *pk, const unsigned char *pub, size_t len);
int (*get_priv_key) (const EVP_PKEY *pk, unsigned char *priv, size_t *len);
int (*get_pub_key) (const EVP_PKEY *pk, unsigned char *pub, size_t *len);
/*
* TODO: Make sure these functions are defined for key types that are
* implemented in providers.
*/
/* Exports and imports to / from providers */
size_t (*dirty_cnt) (const EVP_PKEY *pk);
int (*export_to) (const EVP_PKEY *pk, void *to_keydata,
OSSL_FUNC_keymgmt_import_fn *importer,
OSSL_LIB_CTX *libctx, const char *propq);
OSSL_CALLBACK *import_from;
int (*copy) (EVP_PKEY *to, EVP_PKEY *from);
int (*priv_decode_ex) (EVP_PKEY *pk,
const PKCS8_PRIV_KEY_INFO *p8inf,
OSSL_LIB_CTX *libctx,
const char *propq);
} /* EVP_PKEY_ASN1_METHOD */ ;
DEFINE_STACK_OF_CONST(EVP_PKEY_ASN1_METHOD)
extern const EVP_PKEY_ASN1_METHOD ossl_dh_asn1_meth;
extern const EVP_PKEY_ASN1_METHOD ossl_dhx_asn1_meth;
extern const EVP_PKEY_ASN1_METHOD ossl_dsa_asn1_meths[5];
extern const EVP_PKEY_ASN1_METHOD ossl_eckey_asn1_meth;
extern const EVP_PKEY_ASN1_METHOD ossl_ecx25519_asn1_meth;
extern const EVP_PKEY_ASN1_METHOD ossl_ecx448_asn1_meth;
extern const EVP_PKEY_ASN1_METHOD ossl_ed25519_asn1_meth;
extern const EVP_PKEY_ASN1_METHOD ossl_ed448_asn1_meth;
extern const EVP_PKEY_ASN1_METHOD ossl_sm2_asn1_meth;
extern const EVP_PKEY_ASN1_METHOD ossl_rsa_asn1_meths[2];
extern const EVP_PKEY_ASN1_METHOD ossl_rsa_pss_asn1_meth;
/*
* These are used internally in the ASN1_OBJECT to keep track of whether the
* names and data need to be free()ed
*/
# define ASN1_OBJECT_FLAG_DYNAMIC 0x01/* internal use */
# define ASN1_OBJECT_FLAG_CRITICAL 0x02/* critical x509v3 object id */
# define ASN1_OBJECT_FLAG_DYNAMIC_STRINGS 0x04/* internal use */
# define ASN1_OBJECT_FLAG_DYNAMIC_DATA 0x08/* internal use */
struct asn1_object_st {
const char *sn, *ln;
int nid;
int length;
const unsigned char *data; /* data remains const after init */
int flags; /* Should we free this one */
};
/* ASN1 print context structure */
struct asn1_pctx_st {
unsigned long flags;
unsigned long nm_flags;
unsigned long cert_flags;
unsigned long oid_flags;
unsigned long str_flags;
} /* ASN1_PCTX */ ;
/* ASN1 type functions */
int ossl_asn1_type_set_octetstring_int(ASN1_TYPE *a, long num,
unsigned char *data, int len);
int ossl_asn1_type_get_octetstring_int(const ASN1_TYPE *a, long *num,
unsigned char *data, int max_len);
int ossl_x509_algor_new_from_md(X509_ALGOR **palg, const EVP_MD *md);
const EVP_MD *ossl_x509_algor_get_md(X509_ALGOR *alg);
X509_ALGOR *ossl_x509_algor_mgf1_decode(X509_ALGOR *alg);
int ossl_x509_algor_md_to_mgf1(X509_ALGOR **palg, const EVP_MD *mgf1md);
int ossl_asn1_time_print_ex(BIO *bp, const ASN1_TIME *tm);
#endif /* ndef OSSL_CRYPTO_ASN1_H */
|