Diff: wolfssl/wolfcrypt/pkcs7.h

Revision:

15:117db924cf7c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wolfssl/wolfcrypt/pkcs7.h	Sat Aug 18 22:20:43 2018 +0000
@@ -0,0 +1,190 @@
+/* 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
+ */
+
+/*!
+    \file wolfssl/wolfcrypt/pkcs7.h
+*/
+
+#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
+
+/* Max number of certificates that PKCS7 structure can parse */
+#ifndef MAX_PKCS7_CERTS
+#define MAX_PKCS7_CERTS 4
+#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 {
+    struct PKCS7DecodedAttrib* next;
+    byte* oid;
+    word32 oidSz;
+    byte* value;
+    word32 valueSz;
+} PKCS7DecodedAttrib;
+
+
+/* Public Structure Warning:
+ * Existing members must not be changed to maintain backwards compatibility! 
+ */
+typedef struct PKCS7 {
+    WC_RNG* rng;
+    PKCS7Attrib* signedAttribs;
+    byte*  content;               /* inner content, not owner             */
+    byte*  singleCert;            /* recipient cert, DER, not owner       */
+    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       */
+#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;
+
+    /* !! NEW DATA MEMBERS MUST BE ADDED AT END !! */
+} PKCS7;
+
+
+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* cert, word32 certSz);
+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_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);
+
+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);
+
+#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 */
+
+