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WiiFlow_Lite/source/libwolfssl/wolfcrypt/pkcs7.h

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/* pkcs7.h
*
* Copyright (C) 2006-2021 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
*/
/*!
\file wolfssl/wolfcrypt/pkcs7.h
*/
#ifndef WOLF_CRYPT_PKCS7_H
#define WOLF_CRYPT_PKCS7_H
#include <libwolfssl/wolfcrypt/types.h>
#ifdef HAVE_PKCS7
#ifndef NO_ASN
#include <libwolfssl/wolfcrypt/asn.h>
#endif
#include <libwolfssl/wolfcrypt/asn_public.h>
#include <libwolfssl/wolfcrypt/random.h>
#ifndef NO_AES
#include <libwolfssl/wolfcrypt/aes.h>
#endif
#ifndef NO_DES3
#include <libwolfssl/wolfcrypt/des3.h>
#endif
#include <libwolfssl/wolfcrypt/wc_encrypt.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Max number of certificates that PKCS7 structure can parse */
#ifndef MAX_PKCS7_CERTS
#ifdef OPENSSL_ALL
#define MAX_PKCS7_CERTS 15
#else
#define MAX_PKCS7_CERTS 4
#endif
#endif
#ifndef MAX_ORI_TYPE_SZ
#define MAX_ORI_TYPE_SZ MAX_OID_SZ
#endif
#ifndef MAX_ORI_VALUE_SZ
#define MAX_ORI_VALUE_SZ 512
#endif
#ifndef MAX_SIGNED_ATTRIBS_SZ
#define MAX_SIGNED_ATTRIBS_SZ 7
#endif
#ifndef MAX_AUTH_ATTRIBS_SZ
#define MAX_AUTH_ATTRIBS_SZ 7
#endif
#ifndef MAX_UNAUTH_ATTRIBS_SZ
#define MAX_UNAUTH_ATTRIBS_SZ 7
#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 */
#if defined(HAVE_LIBZ) && !defined(NO_PKCS7_COMPRESSED_DATA)
COMPRESSED_DATA = 678, /* 1.2.840.113549.1.9.16.1.9, RFC 3274 */
#endif
FIRMWARE_PKG_DATA = 685, /* 1.2.840.113549.1.9.16.1.16, RFC 4108 */
AUTH_ENVELOPED_DATA = 692 /* 1.2.840.113549.1.9.16.1.23, RFC 5083 */
};
enum PKCS7_STATE {
WC_PKCS7_START = 0,
/* decode encrypted */
WC_PKCS7_STAGE2,
WC_PKCS7_STAGE3,
WC_PKCS7_STAGE4,
WC_PKCS7_STAGE5,
WC_PKCS7_STAGE6,
WC_PKCS7_VERIFY_STAGE2,
WC_PKCS7_VERIFY_STAGE3,
WC_PKCS7_VERIFY_STAGE4,
WC_PKCS7_VERIFY_STAGE5,
WC_PKCS7_VERIFY_STAGE6,
/* parse info set */
WC_PKCS7_INFOSET_START,
WC_PKCS7_INFOSET_BER,
WC_PKCS7_INFOSET_STAGE1,
WC_PKCS7_INFOSET_STAGE2,
WC_PKCS7_INFOSET_END,
/* decode enveloped data */
WC_PKCS7_ENV_2,
WC_PKCS7_ENV_3,
WC_PKCS7_ENV_4,
WC_PKCS7_ENV_5,
/* decode auth enveloped */
WC_PKCS7_AUTHENV_2,
WC_PKCS7_AUTHENV_3,
WC_PKCS7_AUTHENV_4,
WC_PKCS7_AUTHENV_5,
WC_PKCS7_AUTHENV_6,
WC_PKCS7_AUTHENV_ATRB,
WC_PKCS7_AUTHENV_ATRBEND,
WC_PKCS7_AUTHENV_7,
/* decryption state types */
WC_PKCS7_DECRYPT_KTRI,
WC_PKCS7_DECRYPT_KTRI_2,
WC_PKCS7_DECRYPT_KTRI_3,
WC_PKCS7_DECRYPT_KARI,
WC_PKCS7_DECRYPT_KEKRI,
WC_PKCS7_DECRYPT_PWRI,
WC_PKCS7_DECRYPT_ORI,
WC_PKCS7_DECRYPT_DONE,
};
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,
};
enum Cms_Options {
CMS_SKID = 1,
CMS_ISSUER_AND_SERIAL_NUMBER = 2,
};
#define DEGENERATE_SID 3
/* CMS/PKCS#7 RecipientInfo types, RFC 5652, Section 6.2 */
enum Pkcs7_RecipientInfo_Types {
PKCS7_KTRI = 0,
PKCS7_KARI = 1,
PKCS7_KEKRI = 2,
PKCS7_PWRI = 3,
PKCS7_ORI = 4
};
typedef struct PKCS7Attrib {
const byte* oid;
word32 oidSz;
const byte* value;
word32 valueSz;
} PKCS7Attrib;
typedef struct PKCS7DecodedAttrib {
struct PKCS7DecodedAttrib* next;
byte* oid;
word32 oidSz;
byte* value;
word32 valueSz;
} PKCS7DecodedAttrib;
typedef struct PKCS7State PKCS7State;
typedef struct Pkcs7Cert Pkcs7Cert;
typedef struct Pkcs7EncodedRecip Pkcs7EncodedRecip;
typedef struct PKCS7 PKCS7;
typedef struct PKCS7 PKCS7_SIGNED;
typedef struct PKCS7SignerInfo PKCS7SignerInfo;
/* OtherRecipientInfo decrypt callback prototype */
typedef int (*CallbackOriDecrypt)(PKCS7* pkcs7, byte* oriType, word32 oriTypeSz,
byte* oriValue, word32 oriValueSz,
byte* decryptedKey, word32* decryptedKeySz,
void* ctx);
typedef int (*CallbackOriEncrypt)(PKCS7* pkcs7, byte* cek, word32 cekSz,
byte* oriType, word32* oriTypeSz,
byte* oriValue, word32* oriValueSz,
void* ctx);
typedef int (*CallbackDecryptContent)(PKCS7* pkcs7, int encryptOID,
byte* iv, int ivSz, byte* aad, word32 aadSz,
byte* authTag, word32 authTagSz, byte* in,
int inSz, byte* out, void* ctx);
typedef int (*CallbackWrapCEK)(PKCS7* pkcs7, byte* cek, word32 cekSz,
byte* keyId, word32 keyIdSz,
byte* originKey, word32 originKeySz,
byte* out, word32 outSz,
int keyWrapAlgo, int type, int dir);
#if defined(HAVE_PKCS7_RSA_RAW_SIGN_CALLBACK) && !defined(NO_RSA)
/* RSA sign raw digest callback, user builds DigestInfo */
typedef int (*CallbackRsaSignRawDigest)(PKCS7* pkcs7, byte* digest,
word32 digestSz, byte* out, word32 outSz,
byte* privateKey, word32 privateKeySz,
int devId, int hashOID);
#endif
/* Public Structure Warning:
* Existing members must not be changed to maintain backwards compatibility!
*/
struct PKCS7 {
WC_RNG* rng;
PKCS7Attrib* signedAttribs;
byte* content; /* inner content, not owner */
byte* contentDynamic; /* content if constructed OCTET_STRING */
byte* singleCert; /* recipient cert, DER, not owner */
const byte* issuer; /* issuer name of singleCert */
byte* privateKey; /* private key, DER, not owner */
void* heap; /* heap hint for dynamic memory */
#ifdef ASN_BER_TO_DER
byte* der; /* DER encoded version of message */
word32 derSz;
#endif
byte* cert[MAX_PKCS7_CERTS];
/* Encrypted-data Content Type */
byte* encryptionKey; /* block cipher encryption key */
PKCS7Attrib* unprotectedAttribs; /* optional */
PKCS7DecodedAttrib* decodedAttrib; /* linked list of decoded attribs */
/* Enveloped-data optional ukm, not owner */
byte* ukm;
word32 ukmSz;
word32 encryptionKeySz; /* size of key buffer, bytes */
word32 unprotectedAttribsSz;
word32 contentSz; /* content size */
word32 singleCertSz; /* size of recipient cert buffer, bytes */
word32 issuerSz; /* length of issuer name */
word32 issuerSnSz; /* length of serial number */
word32 publicKeySz;
word32 publicKeyOID; /* key OID (RSAk, ECDSAk, etc) */
word32 privateKeySz; /* size of private key buffer, bytes */
word32 signedAttribsSz;
int contentOID; /* PKCS#7 content type OID sum */
int hashOID;
int encryptOID; /* key encryption algorithm OID */
int keyWrapOID; /* key wrap algorithm OID */
int keyAgreeOID; /* key agreement algorithm OID */
int devId; /* device ID for HW based private key */
byte issuerHash[KEYID_SIZE]; /* hash of all alt Names */
byte issuerSn[MAX_SN_SZ]; /* singleCert's serial number */
byte publicKey[MAX_RSA_INT_SZ + MAX_RSA_E_SZ]; /* MAX RSA key size (m + e)*/
word32 certSz[MAX_PKCS7_CERTS];
/* flags - up to 16-bits */
word16 isDynamic:1;
word16 noDegenerate:1; /* allow degenerate case in verify function */
word16 detached:1; /* generate detached SignedData signature bundles */
byte contentType[MAX_OID_SZ]; /* custom contentType byte array */
word32 contentTypeSz; /* size of contentType, bytes */
int sidType; /* SignerIdentifier type to use, of type
Pkcs7_SignerIdentifier_Types, default to
SID_ISSUER_AND_SERIAL_NUMBER */
byte issuerSubjKeyId[KEYID_SIZE]; /* SubjectKeyIdentifier of singleCert */
Pkcs7Cert* certList; /* certificates list for SignedData set */
Pkcs7EncodedRecip* recipList; /* recipients list */
byte* cek; /* content encryption key, random, dynamic */
word32 cekSz; /* size of cek, bytes */
byte* pass; /* password, for PWRI decryption */
word32 passSz; /* size of pass, bytes */
int kekEncryptOID; /* KEK encryption algorithm OID */
CallbackOriEncrypt oriEncryptCb; /* ORI encrypt callback */
CallbackOriDecrypt oriDecryptCb; /* ORI decrypt callback */
void* oriEncryptCtx; /* ORI encrypt user context ptr */
void* oriDecryptCtx; /* ORI decrypt user context ptr */
PKCS7Attrib* authAttribs; /* authenticated attribs */
word32 authAttribsSz;
PKCS7Attrib* unauthAttribs; /* unauthenticated attribs */
word32 unauthAttribsSz;
#ifndef NO_PKCS7_STREAM
PKCS7State* stream;
#endif
word32 state;
word16 skipDefaultSignedAttribs:1; /* skip adding default signed attribs */
byte version; /* 1 for RFC 2315 and 3 for RFC 4108 */
PKCS7SignerInfo* signerInfo;
CallbackDecryptContent decryptionCb;
CallbackWrapCEK wrapCEKCb;
void* decryptionCtx;
byte* signature;
byte* plainDigest;
byte* pkcs7Digest;
word32 signatureSz;
word32 plainDigestSz;
word32 pkcs7DigestSz;
#if defined(HAVE_PKCS7_RSA_RAW_SIGN_CALLBACK) && !defined(NO_RSA)
CallbackRsaSignRawDigest rsaSignRawDigestCb;
#endif
/* used by DecodeEnvelopedData with multiple encrypted contents */
byte* cachedEncryptedContent;
word32 cachedEncryptedContentSz;
/* !! NEW DATA MEMBERS MUST BE ADDED AT END !! */
};
WOLFSSL_API PKCS7* wc_PKCS7_New(void* heap, int devId);
WOLFSSL_API int wc_PKCS7_Init(PKCS7* pkcs7, void* heap, int devId);
WOLFSSL_API int wc_PKCS7_InitWithCert(PKCS7* pkcs7, byte* der, word32 derSz);
WOLFSSL_API int wc_PKCS7_AddCertificate(PKCS7* pkcs7, byte* der, word32 derSz);
WOLFSSL_API void wc_PKCS7_Free(PKCS7* pkcs7);
WOLFSSL_API int wc_PKCS7_GetAttributeValue(PKCS7* pkcs7, const byte* oid,
word32 oidSz, byte* out, word32* outSz);
WOLFSSL_API int wc_PKCS7_SetSignerIdentifierType(PKCS7* pkcs7, int type);
WOLFSSL_API int wc_PKCS7_SetContentType(PKCS7* pkcs7, byte* contentType,
word32 sz);
WOLFSSL_API int wc_PKCS7_GetPadSize(word32 inputSz, word32 blockSz);
WOLFSSL_API int wc_PKCS7_PadData(byte* in, word32 inSz, byte* out, word32 outSz,
word32 blockSz);
/* CMS/PKCS#7 Data */
WOLFSSL_API int wc_PKCS7_EncodeData(PKCS7* pkcs7, byte* output,
word32 outputSz);
/* CMS/PKCS#7 SignedData */
WOLFSSL_API int wc_PKCS7_SetDetached(PKCS7* pkcs7, word16 flag);
WOLFSSL_API int wc_PKCS7_NoDefaultSignedAttribs(PKCS7* pkcs7);
WOLFSSL_API int wc_PKCS7_EncodeSignedData(PKCS7* pkcs7,
byte* output, word32 outputSz);
WOLFSSL_API int wc_PKCS7_EncodeSignedData_ex(PKCS7* pkcs7, const byte* hashBuf,
word32 hashSz, byte* outputHead,
word32* outputHeadSz,
byte* outputFoot,
word32* outputFootSz);
WOLFSSL_API void wc_PKCS7_AllowDegenerate(PKCS7* pkcs7, word16 flag);
WOLFSSL_API int wc_PKCS7_VerifySignedData(PKCS7* pkcs7,
byte* pkiMsg, word32 pkiMsgSz);
WOLFSSL_API int wc_PKCS7_VerifySignedData_ex(PKCS7* pkcs7, const byte* hashBuf,
word32 hashSz, byte* pkiMsgHead,
word32 pkiMsgHeadSz, byte* pkiMsgFoot,
word32 pkiMsgFootSz);
WOLFSSL_API int wc_PKCS7_GetSignerSID(PKCS7* pkcs7, byte* out, word32* outSz);
/* CMS single-shot API for Signed FirmwarePkgData */
WOLFSSL_API int wc_PKCS7_EncodeSignedFPD(PKCS7* pkcs7, byte* privateKey,
word32 privateKeySz, int signOID,
int hashOID, byte* content,
word32 contentSz,
PKCS7Attrib* signedAttribs,
word32 signedAttribsSz, byte* output,
word32 outputSz);
#ifndef NO_PKCS7_ENCRYPTED_DATA
/* CMS single-shot API for Signed Encrypted FirmwarePkgData */
WOLFSSL_API int wc_PKCS7_EncodeSignedEncryptedFPD(PKCS7* pkcs7,
byte* encryptKey, word32 encryptKeySz,
byte* privateKey, word32 privateKeySz,
int encryptOID, int signOID,
int hashOID, byte* content,
word32 contentSz,
PKCS7Attrib* unprotectedAttribs,
word32 unprotectedAttribsSz,
PKCS7Attrib* signedAttribs,
word32 signedAttribsSz,
byte* output, word32 outputSz);
#endif /* NO_PKCS7_ENCRYPTED_DATA */
#if defined(HAVE_LIBZ) && !defined(NO_PKCS7_COMPRESSED_DATA)
/* CMS single-shot API for Signed Compressed FirmwarePkgData */
WOLFSSL_API int wc_PKCS7_EncodeSignedCompressedFPD(PKCS7* pkcs7,
byte* privateKey, word32 privateKeySz,
int signOID, int hashOID,
byte* content, word32 contentSz,
PKCS7Attrib* signedAttribs,
word32 signedAttribsSz, byte* output,
word32 outputSz);
#ifndef NO_PKCS7_ENCRYPTED_DATA
/* CMS single-shot API for Signed Encrypted Compressed FirmwarePkgData */
WOLFSSL_API int wc_PKCS7_EncodeSignedEncryptedCompressedFPD(PKCS7* pkcs7,
byte* encryptKey, word32 encryptKeySz,
byte* privateKey, word32 privateKeySz,
int encryptOID, int signOID,
int hashOID, byte* content,
word32 contentSz,
PKCS7Attrib* unprotectedAttribs,
word32 unprotectedAttribsSz,
PKCS7Attrib* signedAttribs,
word32 signedAttribsSz,
byte* output, word32 outputSz);
#endif /* !NO_PKCS7_ENCRYPTED_DATA */
#endif /* HAVE_LIBZ && !NO_PKCS7_COMPRESSED_DATA */
/* EnvelopedData and AuthEnvelopedData RecipientInfo functions */
WOLFSSL_API int wc_PKCS7_AddRecipient_KTRI(PKCS7* pkcs7, const byte* cert,
word32 certSz, int options);
WOLFSSL_API int wc_PKCS7_AddRecipient_KARI(PKCS7* pkcs7, const byte* cert,
word32 certSz, int keyWrapOID,
int keyAgreeOID, byte* ukm,
word32 ukmSz, int options);
WOLFSSL_API int wc_PKCS7_SetKey(PKCS7* pkcs7, byte* key, word32 keySz);
WOLFSSL_API int wc_PKCS7_AddRecipient_KEKRI(PKCS7* pkcs7, int keyWrapOID,
byte* kek, word32 kekSz,
byte* keyID, word32 keyIdSz,
void* timePtr, byte* otherOID,
word32 otherOIDSz, byte* other,
word32 otherSz, int options);
WOLFSSL_API int wc_PKCS7_SetPassword(PKCS7* pkcs7, byte* passwd, word32 pLen);
WOLFSSL_API int wc_PKCS7_AddRecipient_PWRI(PKCS7* pkcs7, byte* passwd,
word32 pLen, byte* salt,
word32 saltSz, int kdfOID,
int prfOID, int iterations,
int kekEncryptOID, int options);
WOLFSSL_API int wc_PKCS7_SetOriEncryptCtx(PKCS7* pkcs7, void* ctx);
WOLFSSL_API int wc_PKCS7_SetOriDecryptCtx(PKCS7* pkcs7, void* ctx);
WOLFSSL_API int wc_PKCS7_SetOriDecryptCb(PKCS7* pkcs7, CallbackOriDecrypt cb);
WOLFSSL_API int wc_PKCS7_AddRecipient_ORI(PKCS7* pkcs7, CallbackOriEncrypt cb,
int options);
WOLFSSL_API int wc_PKCS7_SetWrapCEKCb(PKCS7* pkcs7,
CallbackWrapCEK wrapCEKCb);
#if defined(HAVE_PKCS7_RSA_RAW_SIGN_CALLBACK) && !defined(NO_RSA)
WOLFSSL_API int wc_PKCS7_SetRsaSignRawDigestCb(PKCS7* pkcs7,
CallbackRsaSignRawDigest cb);
#endif
/* CMS/PKCS#7 EnvelopedData */
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);
/* CMS/PKCS#7 AuthEnvelopedData */
WOLFSSL_API int wc_PKCS7_EncodeAuthEnvelopedData(PKCS7* pkcs7,
byte* output, word32 outputSz);
WOLFSSL_API int wc_PKCS7_DecodeAuthEnvelopedData(PKCS7* pkcs7, byte* pkiMsg,
word32 pkiMsgSz, byte* output,
word32 outputSz);
/* CMS/PKCS#7 EncryptedData */
#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);
WOLFSSL_API int wc_PKCS7_SetDecodeEncryptedCb(PKCS7* pkcs7,
CallbackDecryptContent decryptionCb);
WOLFSSL_API int wc_PKCS7_SetDecodeEncryptedCtx(PKCS7* pkcs7, void* ctx);
#endif /* NO_PKCS7_ENCRYPTED_DATA */
/* CMS/PKCS#7 CompressedData */
#if defined(HAVE_LIBZ) && !defined(NO_PKCS7_COMPRESSED_DATA)
WOLFSSL_API int wc_PKCS7_EncodeCompressedData(PKCS7* pkcs7, byte* output,
word32 outputSz);
WOLFSSL_API int wc_PKCS7_DecodeCompressedData(PKCS7* pkcs7, byte* pkiMsg,
word32 pkiMsgSz, byte* output,
word32 outputSz);
#endif /* HAVE_LIBZ && !NO_PKCS7_COMPRESSED_DATA */
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* HAVE_PKCS7 */
#endif /* WOLF_CRYPT_PKCS7_H */
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