/usr/include/wolfssl/wolfcrypt/pkcs7.h is in libwolfssl-dev 3.13.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 | /* pkcs7.h
*
* Copyright (C) 2006-2017 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
#ifndef WOLF_CRYPT_PKCS7_H
#define WOLF_CRYPT_PKCS7_H
#include <wolfssl/wolfcrypt/types.h>
#ifdef HAVE_PKCS7
#ifndef NO_ASN
#include <wolfssl/wolfcrypt/asn.h>
#endif
#include <wolfssl/wolfcrypt/asn_public.h>
#include <wolfssl/wolfcrypt/random.h>
#ifndef NO_AES
#include <wolfssl/wolfcrypt/aes.h>
#endif
#ifndef NO_DES3
#include <wolfssl/wolfcrypt/des3.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* PKCS#7 content types, ref RFC 2315 (Section 14) */
enum PKCS7_TYPES {
PKCS7_MSG = 650, /* 1.2.840.113549.1.7 */
DATA = 651, /* 1.2.840.113549.1.7.1 */
SIGNED_DATA = 652, /* 1.2.840.113549.1.7.2 */
ENVELOPED_DATA = 653, /* 1.2.840.113549.1.7.3 */
SIGNED_AND_ENVELOPED_DATA = 654, /* 1.2.840.113549.1.7.4 */
DIGESTED_DATA = 655, /* 1.2.840.113549.1.7.5 */
ENCRYPTED_DATA = 656 /* 1.2.840.113549.1.7.6 */
};
enum Pkcs7_Misc {
PKCS7_NONCE_SZ = 16,
MAX_ENCRYPTED_KEY_SZ = 512, /* max enc. key size, RSA <= 4096 */
MAX_CONTENT_KEY_LEN = 32, /* highest current cipher is AES-256-CBC */
MAX_CONTENT_IV_SIZE = 16, /* highest current is AES128 */
#ifndef NO_AES
MAX_CONTENT_BLOCK_LEN = AES_BLOCK_SIZE,
#else
MAX_CONTENT_BLOCK_LEN = DES_BLOCK_SIZE,
#endif
MAX_RECIP_SZ = MAX_VERSION_SZ +
MAX_SEQ_SZ + ASN_NAME_MAX + MAX_SN_SZ +
MAX_SEQ_SZ + MAX_ALGO_SZ + 1 + MAX_ENCRYPTED_KEY_SZ
};
typedef struct PKCS7Attrib {
byte* oid;
word32 oidSz;
byte* value;
word32 valueSz;
} PKCS7Attrib;
typedef struct PKCS7DecodedAttrib {
byte* oid;
word32 oidSz;
byte* value;
word32 valueSz;
struct PKCS7DecodedAttrib* next;
} PKCS7DecodedAttrib;
typedef struct PKCS7 {
byte* content; /* inner content, not owner */
word32 contentSz; /* content size */
int contentOID; /* PKCS#7 content type OID sum */
WC_RNG* rng;
int hashOID;
int encryptOID; /* key encryption algorithm OID */
int keyWrapOID; /* key wrap algorithm OID */
int keyAgreeOID; /* key agreement algorithm OID */
void* heap; /* heap hint for dynamic memory */
byte* singleCert; /* recipient cert, DER, not owner */
word32 singleCertSz; /* size of recipient cert buffer, bytes */
byte issuerHash[KEYID_SIZE]; /* hash of all alt Names */
byte* issuer; /* issuer name of singleCert */
word32 issuerSz; /* length of issuer name */
byte issuerSn[MAX_SN_SZ]; /* singleCert's serial number */
word32 issuerSnSz; /* length of serial number */
byte publicKey[512];
word32 publicKeySz;
word32 publicKeyOID; /* key OID (RSAk, ECDSAk, etc) */
byte* privateKey; /* private key, DER, not owner */
word32 privateKeySz; /* size of private key buffer, bytes */
PKCS7Attrib* signedAttribs;
word32 signedAttribsSz;
/* Enveloped-data optional ukm, not owner */
byte* ukm;
word32 ukmSz;
/* Encrypted-data Content Type */
byte* encryptionKey; /* block cipher encryption key */
word32 encryptionKeySz; /* size of key buffer, bytes */
PKCS7Attrib* unprotectedAttribs; /* optional */
word32 unprotectedAttribsSz;
PKCS7DecodedAttrib* decodedAttrib; /* linked list of decoded attribs */
} PKCS7;
WOLFSSL_API int wc_PKCS7_Init(PKCS7* pkcs7, void* heap, int devId);
WOLFSSL_API int wc_PKCS7_InitWithCert(PKCS7* pkcs7, byte* cert, word32 certSz);
WOLFSSL_API void wc_PKCS7_Free(PKCS7* pkcs7);
WOLFSSL_API int wc_PKCS7_EncodeData(PKCS7* pkcs7, byte* output,
word32 outputSz);
WOLFSSL_API int wc_PKCS7_EncodeSignedData(PKCS7* pkcs7,
byte* output, word32 outputSz);
WOLFSSL_API int wc_PKCS7_VerifySignedData(PKCS7* pkcs7,
byte* pkiMsg, word32 pkiMsgSz);
WOLFSSL_API int wc_PKCS7_EncodeEnvelopedData(PKCS7* pkcs7,
byte* output, word32 outputSz);
WOLFSSL_API int wc_PKCS7_DecodeEnvelopedData(PKCS7* pkcs7, byte* pkiMsg,
word32 pkiMsgSz, byte* output,
word32 outputSz);
#ifndef NO_PKCS7_ENCRYPTED_DATA
WOLFSSL_API int wc_PKCS7_EncodeEncryptedData(PKCS7* pkcs7,
byte* output, word32 outputSz);
WOLFSSL_API int wc_PKCS7_DecodeEncryptedData(PKCS7* pkcs7, byte* pkiMsg,
word32 pkiMsgSz, byte* output,
word32 outputSz);
#endif /* NO_PKCS7_ENCRYPTED_DATA */
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* HAVE_PKCS7 */
#endif /* WOLF_CRYPT_PKCS7_H */
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