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Merge branch 'master' of github.com:cyassl/cyassl

Browse Source
This commit is contained in:
John Safranek
2012-09-07 08:30:03 -07:00
parent 407397e8be 8c32a5a2ed
commit 97ca8439a4
18 changed files with 445 additions and 167 deletions
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5
ctaocrypt/src/asn.c
View File

@@ -760,8 +760,8 @@ static int DecryptKey(const char* password, int passwordSz, byte* salt,
int ToTraditionalEnc(byte* input, word32 sz,const char* password,int passwordSz)
{
word32 inOutIdx = 0, oid;
int first, second, length, iterations, saltSz, id;
int version;
int first, second, length, version, saltSz, id;
int iterations = 0;
byte salt[MAX_SALT_SIZE];
byte cbcIv[MAX_IV_SIZE];
@@ -1375,6 +1375,7 @@ static int GetName(DecodedCert* cert, int nameType)
cert->srcIdx += 2;
id = cert->source[cert->srcIdx++];
b = cert->source[cert->srcIdx++]; /* strType */
(void)b; /* may want to validate? */
if (GetLength(cert->source, &cert->srcIdx, &strLen,
cert->maxIdx) < 0)

3
ctaocrypt/src/integer.c
View File

@@ -116,6 +116,9 @@ mp_clear (mp_int * a)
{
int i;
if (a == NULL)
return;
/* only do anything if a hasn't been freed previously */
if (a->dp != NULL) {
/* first zero the digits */

30
ctaocrypt/src/pwdbased.c
View File

@@ -236,6 +236,16 @@ int PKCS12_PBKDF(byte* output, const byte* passwd, int passLen,const byte* salt,
mp_int B1;
if (hashType == MD5) {
Md5 md5;
InitMd5(&md5);
Md5Update(&md5, buffer, totalLen);
Md5Final(&md5, Ai);
for (i = 1; i < iterations; i++) {
Md5Update(&md5, Ai, u);
Md5Final(&md5, Ai);
}
}
else if (hashType == SHA) {
Sha sha;
@@ -251,10 +261,30 @@ int PKCS12_PBKDF(byte* output, const byte* passwd, int passLen,const byte* salt,
}
#ifndef NO_SHA256
else if (hashType == SHA256) {
Sha256 sha256;
InitSha256(&sha256);
Sha256Update(&sha256, buffer, totalLen);
Sha256Final(&sha256, Ai);
for (i = 1; i < iterations; i++) {
Sha256Update(&sha256, Ai, u);
Sha256Final(&sha256, Ai);
}
}
#endif
#ifdef CYASSL_SHA512
else if (hashType == SHA512) {
Sha512 sha512;
InitSha512(&sha512);
Sha512Update(&sha512, buffer, totalLen);
Sha512Final(&sha512, Ai);
for (i = 1; i < iterations; i++) {
Sha512Update(&sha512, Ai, u);
Sha512Final(&sha512, Ai);
}
}
#endif

14
ctaocrypt/src/rabbit.c
View File

@@ -219,25 +219,25 @@ void RabbitProcess(Rabbit* ctx, byte* output, const byte* input, word32 msglen)
if (msglen) {
word32 i;
word32 tmp[4];
byte* buffer = (byte*)tmp;
byte buffer[16];
/* Iterate the system */
RABBIT_next_state(&(ctx->workCtx));
/* Generate 16 bytes of pseudo-random data */
tmp[0] = LITTLE32(ctx->workCtx.x[0] ^
*(word32*)(buffer+ 0) = LITTLE32(ctx->workCtx.x[0] ^
(ctx->workCtx.x[5]>>16) ^ U32V(ctx->workCtx.x[3]<<16));
tmp[1] = LITTLE32(ctx->workCtx.x[2] ^
*(word32*)(buffer+ 4) = LITTLE32(ctx->workCtx.x[2] ^
(ctx->workCtx.x[7]>>16) ^ U32V(ctx->workCtx.x[5]<<16));
tmp[2] = LITTLE32(ctx->workCtx.x[4] ^
*(word32*)(buffer+ 8) = LITTLE32(ctx->workCtx.x[4] ^
(ctx->workCtx.x[1]>>16) ^ U32V(ctx->workCtx.x[7]<<16));
tmp[3] = LITTLE32(ctx->workCtx.x[6] ^
*(word32*)(buffer+12) = LITTLE32(ctx->workCtx.x[6] ^
(ctx->workCtx.x[3]>>16) ^ U32V(ctx->workCtx.x[1]<<16));
/* Encrypt/decrypt the data */
for (i=0; i<msglen; i++)
output[i] = input[i] ^ buffer[i];
output[i] = input[i] ^ buffer[i]; /* scan-build thinks buffer[i] */
/* is garbage, it is not! */
}
}

7
cyassl/ctaocrypt/types.h
View File

@@ -153,7 +153,7 @@ enum {
#elif !defined(MICRIUM_MALLOC) && !defined(EBSNET) && !defined(CYASSL_SAFERTOS)
/* default C runtime, can install different routines at runtime */
#include <cyassl/ctaocrypt/memory.h>
#define XMALLOC(s, h, t) CyaSSL_Malloc((s))
#define XMALLOC(s, h, t) ((void)h, (void)t, CyaSSL_Malloc((s)))
#define XFREE(p, h, t) {void* xp = (p); if((xp)) CyaSSL_Free((xp));}
#define XREALLOC(p, n, h, t) CyaSSL_Realloc((p), (n))
#endif
@@ -215,7 +215,10 @@ enum {
DYNAMIC_TYPE_CRL_MONITOR = 26,
DYNAMIC_TYPE_OCSP_STATUS = 27,
DYNAMIC_TYPE_OCSP_ENTRY = 28,
DYNAMIC_TYPE_ALTNAME = 29
DYNAMIC_TYPE_ALTNAME = 29,
DYNAMIC_TYPE_SUITES = 30,
DYNAMIC_TYPE_CIPHER = 31,
DYNAMIC_TYPE_RNG = 32
};
/* stack protection */

1
cyassl/error.h
View File

@@ -103,6 +103,7 @@ enum CyaSSL_ErrorCodes {
MAX_CHAIN_ERROR = -268, /* max chain depth exceeded */
COOKIE_ERROR = -269, /* dtls cookie error */
SEQUENCE_ERROR = -270, /* dtls sequence error */
SUITES_ERROR = -271, /* suites pointer error */
/* add strings to SetErrorString !!!!! */
/* begin negotiation parameter errors */

30
cyassl/internal.h
View File

@@ -474,6 +474,14 @@ enum Misc {
};
/* don't use extra 3/4k stack space unless need to */
#ifdef HAVE_NTRU
#define MAX_ENCRYPT_SZ MAX_NTRU_ENCRYPT_SZ
#else
#define MAX_ENCRYPT_SZ ENCRYPT_LEN
#endif
/* states */
enum states {
NULL_STATE = 0,
@@ -965,29 +973,34 @@ typedef struct Keys {
word32 encryptSz; /* last size of encrypted data */
byte encryptionOn; /* true after change cipher spec */
byte decryptedCur; /* only decrypt current record once */
} Keys;
/* cipher for now */
typedef union {
typedef struct Ciphers {
#ifdef BUILD_ARC4
Arc4 arc4;
Arc4* arc4;
#endif
#ifdef BUILD_DES3
Des3 des3;
Des3* des3;
#endif
#ifdef BUILD_AES
Aes aes;
Aes* aes;
#endif
#ifdef HAVE_HC128
HC128 hc128;
HC128* hc128;
#endif
#ifdef BUILD_RABBIT
Rabbit rabbit;
Rabbit* rabbit;
#endif
} Ciphers;
CYASSL_LOCAL void InitCiphers(CYASSL* ssl);
CYASSL_LOCAL void FreeCiphers(CYASSL* ssl);
/* hashes type */
typedef struct Hashes {
byte md5[MD5_DIGEST_SIZE];
@@ -1203,7 +1216,7 @@ struct CYASSL {
int error;
ProtocolVersion version; /* negotiated version */
ProtocolVersion chVersion; /* client hello version */
Suites suites;
Suites* suites; /* only need during handshake */
Ciphers encrypt;
Ciphers decrypt;
CipherSpecs specs;
@@ -1214,7 +1227,7 @@ struct CYASSL {
CYASSL_BIO* biowr; /* socket bio write to free/close */
void* IOCB_ReadCtx;
void* IOCB_WriteCtx;
RNG rng;
RNG* rng;
Md5 hashMd5; /* md5 hash of handshake msgs */
Sha hashSha; /* sha hash of handshake msgs */
#ifndef NO_SHA256
@@ -1440,6 +1453,7 @@ CYASSL_LOCAL int StoreKeys(CYASSL* ssl, const byte* keyData);
CYASSL_LOCAL int IsTLS(const CYASSL* ssl);
CYASSL_LOCAL int IsAtLeastTLSv1_2(const CYASSL* ssl);
CYASSL_LOCAL void FreeHandshakeResources(CYASSL* ssl);
CYASSL_LOCAL void ShrinkInputBuffer(CYASSL* ssl, int forcedFree);
CYASSL_LOCAL void ShrinkOutputBuffer(CYASSL* ssl);
CYASSL_LOCAL Signer* GetCA(void* cm, byte* hash);

1
cyassl/sniffer_error.h
View File

@@ -99,6 +99,7 @@
#define BAD_DECRYPT_TYPE 65
#define BAD_FINISHED_MSG 66
#define BAD_COMPRESSION_STR 67
#define BAD_DERIVE_STR 68
/* !!!! also add to msgTable in sniffer.c and .rc file !!!! */

1
cyassl/sniffer_error.rc
View File

@@ -81,5 +81,6 @@ STRINGTABLE
66, "Bad Finished Message Processing"
67, "Bad Compression Type"
68, "Bad DeriveKeys Error"
}

1
cyassl/ssl.h
View File

@@ -780,6 +780,7 @@ enum {
CYASSL_CHAIN_CA = 2 /* added to cache from trusted chain */
};
CYASSL_API int CyaSSL_GetObjectSize(void); /* object size based on build */
CYASSL_API int CyaSSL_SetVersion(CYASSL* ssl, int version);
CYASSL_API int CyaSSL_KeyPemToDer(const unsigned char*, int sz, unsigned char*,
int, const char*);

3
examples/client/client.c
View File

@@ -263,9 +263,10 @@ void client_test(void* args)
#if defined(CYASSL_SNIFFER) && !defined(HAVE_NTRU) && !defined(HAVE_ECC)
/* don't use EDH, can't sniff tmp keys */
if (cipherList == NULL)
if (cipherList == NULL) {
if (CyaSSL_CTX_set_cipher_list(ctx, "AES256-SHA") != SSL_SUCCESS)
err_sys("can't set cipher list");
}
#endif
#ifdef USER_CA_CB

2
examples/server/server.c
View File

@@ -262,8 +262,10 @@ THREAD_RETURN CYASSL_THREAD server_test(void* args)
#if defined(CYASSL_SNIFFER) && !defined(HAVE_NTRU) && !defined(HAVE_ECC)
/* don't use EDH, can't sniff tmp keys */
if (cipherList == NULL) {
if (SSL_CTX_set_cipher_list(ctx, "AES256-SHA") != SSL_SUCCESS)
err_sys("can't set cipher list");
}
#endif
ssl = SSL_new(ctx);

2
src/crl.c
View File

@@ -123,7 +123,6 @@ int CheckCertCRL(CYASSL_CRL* crl, DecodedCert* cert)
{
CRL_Entry* crle;
int foundEntry = 0;
int revoked = 0;
int ret = 0;
CYASSL_ENTER("CheckCertCRL");
@@ -157,7 +156,6 @@ int CheckCertCRL(CYASSL_CRL* crl, DecodedCert* cert)
while (rc) {
if (XMEMCMP(rc->serialNumber, cert->serial, rc->serialSz) == 0) {
CYASSL_MSG("Cert revoked");
revoked = 1;
ret = CRL_CERT_REVOKED;
break;
}

253
src/internal.c
View File

@@ -435,6 +435,58 @@ void FreeSSL_Ctx(CYASSL_CTX* ctx)
}
/* Set cipher pointers to null */
void InitCiphers(CYASSL* ssl)
{
#ifdef BUILD_ARC4
ssl->encrypt.arc4 = NULL;
ssl->decrypt.arc4 = NULL;
#endif
#ifdef BUILD_DES3
ssl->encrypt.des3 = NULL;
ssl->decrypt.des3 = NULL;
#endif
#ifdef BUILD_AES
ssl->encrypt.aes = NULL;
ssl->decrypt.aes = NULL;
#endif
#ifdef HAVE_HC128
ssl->encrypt.hc128 = NULL;
ssl->decrypt.hc128 = NULL;
#endif
#ifdef BUILD_RABBIT
ssl->encrypt.rabbit = NULL;
ssl->decrypt.rabbit = NULL;
#endif
}
/* Free ciphers */
void FreeCiphers(CYASSL* ssl)
{
#ifdef BUILD_ARC4
XFREE(ssl->encrypt.arc4, ssl->heap, DYNAMIC_TYPE_CIPHER);
XFREE(ssl->decrypt.arc4, ssl->heap, DYNAMIC_TYPE_CIPHER);
#endif
#ifdef BUILD_DES3
XFREE(ssl->encrypt.des3, ssl->heap, DYNAMIC_TYPE_CIPHER);
XFREE(ssl->decrypt.des3, ssl->heap, DYNAMIC_TYPE_CIPHER);
#endif
#ifdef BUILD_AES
XFREE(ssl->encrypt.aes, ssl->heap, DYNAMIC_TYPE_CIPHER);
XFREE(ssl->decrypt.aes, ssl->heap, DYNAMIC_TYPE_CIPHER);
#endif
#ifdef HAVE_HC128
XFREE(ssl->encrypt.hc128, ssl->heap, DYNAMIC_TYPE_CIPHER);
XFREE(ssl->decrypt.hc128, ssl->heap, DYNAMIC_TYPE_CIPHER);
#endif
#ifdef BUILD_RABBIT
XFREE(ssl->encrypt.rabbit, ssl->heap, DYNAMIC_TYPE_CIPHER);
XFREE(ssl->decrypt.rabbit, ssl->heap, DYNAMIC_TYPE_CIPHER);
#endif
}
void InitSuites(Suites* suites, ProtocolVersion pv, byte haveDH, byte havePSK,
byte haveNTRU, byte haveECDSAsig, byte haveStaticECC, int side)
{
@@ -449,7 +501,11 @@ void InitSuites(Suites* suites, ProtocolVersion pv, byte haveDH, byte havePSK,
(void)havePSK;
(void)haveNTRU;
(void)haveStaticECC;
(void)haveRSAsig;
if (suites == NULL) {
CYASSL_MSG("InitSuites pointer error");
return;
}
if (suites->setSuites)
return; /* trust user settings, don't override */
@@ -457,8 +513,10 @@ void InitSuites(Suites* suites, ProtocolVersion pv, byte haveDH, byte havePSK,
if (side == SERVER_END && haveStaticECC)
haveRSA = 0; /* can't do RSA with ECDSA key */
if (side == SERVER_END && haveECDSAsig)
if (side == SERVER_END && haveECDSAsig) {
haveRSAsig = 0; /* can't have RSA sig if signed by ECDSA */
(void)haveRSAsig; /* non ecc builds won't read */
}
#ifdef CYASSL_DTLS
if (pv.major == DTLS_MAJOR && pv.minor == DTLS_MINOR)
@@ -814,7 +872,7 @@ int InitSSL(CYASSL* ssl, CYASSL_CTX* ctx)
ssl->ctx = ctx; /* only for passing to calls, options could change */
ssl->version = ctx->method->version;
ssl->suites = ctx->suites;
ssl->suites = NULL;
#ifdef HAVE_LIBZ
ssl->didStreamInit = 0;
@@ -926,6 +984,7 @@ int InitSSL(CYASSL* ssl, CYASSL_CTX* ctx)
ssl->dtls_timeout = 2;
#endif
ssl->keys.encryptionOn = 0; /* initially off */
ssl->keys.decryptedCur = 0; /* initially off */
ssl->options.sessionCacheOff = ctx->sessionCacheOff;
ssl->options.sessionCacheFlushOff = ctx->sessionCacheFlushOff;
@@ -997,6 +1056,8 @@ int InitSSL(CYASSL* ssl, CYASSL_CTX* ctx)
ssl->arrays.server_hint[0] = 0;
#endif /* NO_PSK */
ssl->rng = NULL;
InitCiphers(ssl);
/* all done with init, now can return errors, call other stuff */
/* increment CTX reference count */
@@ -1007,9 +1068,23 @@ int InitSSL(CYASSL* ssl, CYASSL_CTX* ctx)
ctx->refCount++;
UnLockMutex(&ctx->countMutex);
if ( (ret = InitRng(&ssl->rng)) != 0)
ssl->rng = (RNG*)XMALLOC(sizeof(RNG), ssl->heap, DYNAMIC_TYPE_RNG);
if (ssl->rng == NULL) {
CYASSL_MSG("RNG Memory error");
return MEMORY_E;
}
if ( (ret = InitRng(ssl->rng)) != 0)
return ret;
ssl->suites = (Suites*)XMALLOC(sizeof(Suites), ssl->heap,
DYNAMIC_TYPE_SUITES);
if (ssl->suites == NULL) {
CYASSL_MSG("Suites Memory error");
return MEMORY_E;
}
*ssl->suites = ctx->suites;
/* make sure server has cert and key unless using PSK */
if (ssl->options.side == SERVER_END && !havePSK)
if (!ssl->buffers.certificate.buffer || !ssl->buffers.key.buffer) {
@@ -1019,11 +1094,11 @@ int InitSSL(CYASSL* ssl, CYASSL_CTX* ctx)
/* make sure server has DH parms, and add PSK if there, add NTRU too */
if (ssl->options.side == SERVER_END)
InitSuites(&ssl->suites, ssl->version,ssl->options.haveDH, havePSK,
InitSuites(ssl->suites, ssl->version,ssl->options.haveDH, havePSK,
ssl->options.haveNTRU, ssl->options.haveECDSAsig,
ssl->options.haveStaticECC, ssl->options.side);
else
InitSuites(&ssl->suites, ssl->version, TRUE, havePSK,
InitSuites(ssl->suites, ssl->version, TRUE, havePSK,
ssl->options.haveNTRU, ssl->options.haveECDSAsig,
ssl->options.haveStaticECC, ssl->options.side);
@@ -1034,6 +1109,9 @@ int InitSSL(CYASSL* ssl, CYASSL_CTX* ctx)
/* In case holding SSL object in array and don't want to free actual ssl */
void SSL_ResourceFree(CYASSL* ssl)
{
FreeCiphers(ssl);
XFREE(ssl->rng, ssl->heap, DYNAMIC_TYPE_RNG);
XFREE(ssl->suites, ssl->heap, DYNAMIC_TYPE_SUITES);
XFREE(ssl->buffers.serverDH_Priv.buffer, ssl->heap, DYNAMIC_TYPE_DH);
XFREE(ssl->buffers.serverDH_Pub.buffer, ssl->heap, DYNAMIC_TYPE_DH);
/* parameters (p,g) may be owned by ctx */
@@ -1078,6 +1156,25 @@ void SSL_ResourceFree(CYASSL* ssl)
}
/* Free any handshake resources no longer needed */
void FreeHandshakeResources(CYASSL* ssl)
{
/* input buffer */
if (ssl->buffers.inputBuffer.dynamicFlag)
ShrinkInputBuffer(ssl, NO_FORCED_FREE);
/* suites */
XFREE(ssl->suites, ssl->heap, DYNAMIC_TYPE_SUITES);
ssl->suites = NULL;
/* RNG */
if (ssl->specs.cipher_type == stream || ssl->options.tls1_1 == 0) {
XFREE(ssl->rng, ssl->heap, DYNAMIC_TYPE_RNG);
ssl->rng = NULL;
}
}
void FreeSSL(CYASSL* ssl)
{
FreeSSL_Ctx(ssl->ctx); /* will decrement and free underyling CTX if 0 */
@@ -1584,6 +1681,9 @@ static int GetRecordHeader(CYASSL* ssl, const byte* input, word32* inOutIdx,
return UNKNOWN_RECORD_TYPE;
}
/* haven't decrypted this record yet */
ssl->keys.decryptedCur = 0;
return 0;
}
@@ -2364,13 +2464,13 @@ static INLINE void Encrypt(CYASSL* ssl, byte* out, const byte* input, word32 sz)
switch (ssl->specs.bulk_cipher_algorithm) {
#ifdef BUILD_ARC4
case rc4:
Arc4Process(&ssl->encrypt.arc4, out, input, sz);
Arc4Process(ssl->encrypt.arc4, out, input, sz);
break;
#endif
#ifdef BUILD_DES3
case triple_des:
Des3_CbcEncrypt(&ssl->encrypt.des3, out, input, sz);
Des3_CbcEncrypt(ssl->encrypt.des3, out, input, sz);
break;
#endif
@@ -2380,12 +2480,12 @@ static INLINE void Encrypt(CYASSL* ssl, byte* out, const byte* input, word32 sz)
if ((word)input % 16) {
byte buffer[MAX_RECORD_SIZE + MAX_COMP_EXTRA+MAX_MSG_EXTRA];
XMEMCPY(buffer, input, sz);
AesCbcEncrypt(&ssl->encrypt.aes, buffer, buffer, sz);
AesCbcEncrypt(ssl->encrypt.aes, buffer, buffer, sz);
XMEMCPY(out, buffer, sz);
break;
}
#endif
AesCbcEncrypt(&ssl->encrypt.aes, out, input, sz);
AesCbcEncrypt(ssl->encrypt.aes, out, input, sz);
break;
#endif
@@ -2408,25 +2508,25 @@ static INLINE void Encrypt(CYASSL* ssl, byte* out, const byte* input, word32 sz)
* IV length minus the authentication tag size. */
c16toa(sz - AES_GCM_EXP_IV_SZ - AEAD_AUTH_TAG_SZ,
additional + AEAD_LEN_OFFSET);
AesGcmEncrypt(&ssl->encrypt.aes,
AesGcmEncrypt(ssl->encrypt.aes,
out + AES_GCM_EXP_IV_SZ, input + AES_GCM_EXP_IV_SZ,
sz - AES_GCM_EXP_IV_SZ - AEAD_AUTH_TAG_SZ,
out + sz - AEAD_AUTH_TAG_SZ, AEAD_AUTH_TAG_SZ,
additional, AEAD_AUTH_DATA_SZ);
AesGcmIncExpIV(&ssl->encrypt.aes);
AesGcmIncExpIV(ssl->encrypt.aes);
}
break;
#endif
#ifdef HAVE_HC128
case hc128:
Hc128_Process(&ssl->encrypt.hc128, out, input, sz);
Hc128_Process(ssl->encrypt.hc128, out, input, sz);
break;
#endif
#ifdef BUILD_RABBIT
case rabbit:
RabbitProcess(&ssl->encrypt.rabbit, out, input, sz);
RabbitProcess(ssl->encrypt.rabbit, out, input, sz);
break;
#endif
@@ -2442,19 +2542,19 @@ static INLINE int Decrypt(CYASSL* ssl, byte* plain, const byte* input,
switch (ssl->specs.bulk_cipher_algorithm) {
#ifdef BUILD_ARC4
case rc4:
Arc4Process(&ssl->decrypt.arc4, plain, input, sz);
Arc4Process(ssl->decrypt.arc4, plain, input, sz);
break;
#endif
#ifdef BUILD_DES3
case triple_des:
Des3_CbcDecrypt(&ssl->decrypt.des3, plain, input, sz);
Des3_CbcDecrypt(ssl->decrypt.des3, plain, input, sz);
break;
#endif
#ifdef BUILD_AES
case aes:
AesCbcDecrypt(&ssl->decrypt.aes, plain, input, sz);
AesCbcDecrypt(ssl->decrypt.aes, plain, input, sz);
break;
#endif
@@ -2463,7 +2563,7 @@ static INLINE int Decrypt(CYASSL* ssl, byte* plain, const byte* input,
{
byte additional[AES_BLOCK_SIZE];
AesGcmSetExpIV(&ssl->decrypt.aes, input);
AesGcmSetExpIV(ssl->decrypt.aes, input);
XMEMSET(additional, 0, AES_BLOCK_SIZE);
/* sequence number field is 64-bits, we only use 32-bits */
@@ -2475,7 +2575,7 @@ static INLINE int Decrypt(CYASSL* ssl, byte* plain, const byte* input,
c16toa(sz - AES_GCM_EXP_IV_SZ - AEAD_AUTH_TAG_SZ,
additional + AEAD_LEN_OFFSET);
if (AesGcmDecrypt(&ssl->decrypt.aes,
if (AesGcmDecrypt(ssl->decrypt.aes,
plain + AES_GCM_EXP_IV_SZ,
input + AES_GCM_EXP_IV_SZ,
sz - AES_GCM_EXP_IV_SZ - AEAD_AUTH_TAG_SZ,
@@ -2490,13 +2590,13 @@ static INLINE int Decrypt(CYASSL* ssl, byte* plain, const byte* input,
#ifdef HAVE_HC128
case hc128:
Hc128_Process(&ssl->decrypt.hc128, plain, input, sz);
Hc128_Process(ssl->decrypt.hc128, plain, input, sz);
break;
#endif
#ifdef BUILD_RABBIT
case rabbit:
RabbitProcess(&ssl->decrypt.rabbit, plain, input, sz);
RabbitProcess(ssl->decrypt.rabbit, plain, input, sz);
break;
#endif
@@ -2515,6 +2615,8 @@ static int DecryptMessage(CYASSL* ssl, byte* input, word32 sz, word32* idx)
if (decryptResult == 0)
{
ssl->keys.encryptSz = sz;
ssl->keys.decryptedCur = 1;
if (ssl->options.tls1_1 && ssl->specs.cipher_type == block)
*idx += ssl->specs.block_size; /* go past TLSv1.1 IV */
if (ssl->specs.cipher_type == aead)
@@ -2858,7 +2960,7 @@ int ProcessReply(CYASSL* ssl)
/* the record layer is here */
case runProcessingOneMessage:
if (ssl->keys.encryptionOn)
if (ssl->keys.encryptionOn && ssl->keys.decryptedCur == 0)
if (DecryptMessage(ssl, ssl->buffers.inputBuffer.buffer +
ssl->buffers.inputBuffer.idx,
ssl->curSize,
@@ -2902,6 +3004,11 @@ int ProcessReply(CYASSL* ssl)
AddLateRecordHeader(&ssl->curRL, &ssl->timeoutInfo);
}
#endif
if (ssl->curSize != 1) {
CYASSL_MSG("Malicious or corrupted ChangeCipher msg");
return LENGTH_ERROR;
}
ssl->buffers.inputBuffer.idx++;
ssl->keys.encryptionOn = 1;
@@ -3185,7 +3292,7 @@ static int BuildMessage(CYASSL* ssl, byte* output, const byte* input, int inSz,
if (ssl->options.tls1_1) {
ivSz = blockSz;
sz += ivSz;
RNG_GenerateBlock(&ssl->rng, iv, ivSz);
RNG_GenerateBlock(ssl->rng, iv, ivSz);
}
sz += 1; /* pad byte */
pad = (sz - headerSz) % blockSz;
@@ -3197,7 +3304,7 @@ static int BuildMessage(CYASSL* ssl, byte* output, const byte* input, int inSz,
if (ssl->specs.cipher_type == aead) {
ivSz = AES_GCM_EXP_IV_SZ;
sz += (ivSz + 16 - digestSz);
AesGcmGetExpIV(&ssl->encrypt.aes, iv);
AesGcmGetExpIV(ssl->encrypt.aes, iv);
}
#endif
size = (word16)(sz - headerSz); /* include mac and digest */
@@ -3356,7 +3463,8 @@ int SendCertificate(CYASSL* ssl)
if (ssl->buffers.certChain.buffer) {
XMEMCPY(output + i, ssl->buffers.certChain.buffer,
ssl->buffers.certChain.length);
i += ssl->buffers.certChain.length;
/* if add more to output adjust i
i += ssl->buffers.certChain.length; */
}
}
HashOutput(ssl, output, sendSz, 0);
@@ -3425,7 +3533,8 @@ int SendCertificateRequest(CYASSL* ssl)
}
c16toa(0, &output[i]); /* auth's */
i += REQ_HEADER_SZ;
/* if add more to output, adjust i
i += REQ_HEADER_SZ; */
HashOutput(ssl, output, sendSz, 0);
@@ -3952,6 +4061,10 @@ void SetErrorString(int error, char* str)
XSTRNCPY(str, "DTLS Sequence Error", max);
break;
case SUITES_ERROR:
XSTRNCPY(str, "Suites Pointer Error", max);
break;
default :
XSTRNCPY(str, "unknown error number", max);
}
@@ -4373,6 +4486,11 @@ int SetCipherList(Suites* s, const char* list)
const int suiteSz = sizeof(cipher_names) / sizeof(cipher_names[0]);
int idx = 0;
if (s == NULL) {
CYASSL_MSG("SetCipherList suite pointer error");
return 0;
}
if (!list)
return 0;
@@ -4572,9 +4690,14 @@ int SetCipherList(Suites* s, const char* list)
int idSz = ssl->options.resuming ? ID_LEN : 0;
int ret;
if (ssl->suites == NULL) {
CYASSL_MSG("Bad suites pointer in SendClientHello");
return SUITES_ERROR;
}
length = sizeof(ProtocolVersion) + RAN_LEN
+ idSz + ENUM_LEN
+ ssl->suites.suiteSz + SUITE_LEN
+ ssl->suites->suiteSz + SUITE_LEN
+ COMP_LEN + ENUM_LEN;
if (IsAtLeastTLSv1_2(ssl))
@@ -4608,7 +4731,7 @@ int SetCipherList(Suites* s, const char* list)
/* then random */
if (ssl->options.connectState == CONNECT_BEGIN) {
RNG_GenerateBlock(&ssl->rng, output + idx, RAN_LEN);
RNG_GenerateBlock(ssl->rng, output + idx, RAN_LEN);
/* store random */
XMEMCPY(ssl->arrays.clientRandom, output + idx, RAN_LEN);
@@ -4640,10 +4763,10 @@ int SetCipherList(Suites* s, const char* list)
}
#endif
/* then cipher suites */
c16toa(ssl->suites.suiteSz, output + idx);
c16toa(ssl->suites->suiteSz, output + idx);
idx += 2;
XMEMCPY(output + idx, &ssl->suites.suites, ssl->suites.suiteSz);
idx += ssl->suites.suiteSz;
XMEMCPY(output + idx, &ssl->suites->suites, ssl->suites->suiteSz);
idx += ssl->suites->suiteSz;
/* last, compression */
output[idx++] = COMP_LEN;
@@ -5081,13 +5204,13 @@ int SetCipherList(Suites* s, const char* list)
int SendClientKeyExchange(CYASSL* ssl)
{
byte encSecret[MAX_NTRU_ENCRYPT_SZ];
byte encSecret[MAX_ENCRYPT_SZ];
word32 encSz = 0;
word32 idx = 0;
int ret = 0;
if (ssl->specs.kea == rsa_kea) {
RNG_GenerateBlock(&ssl->rng, ssl->arrays.preMasterSecret,
RNG_GenerateBlock(ssl->rng, ssl->arrays.preMasterSecret,
SECRET_LEN);
ssl->arrays.preMasterSecret[0] = ssl->chVersion.major;
ssl->arrays.preMasterSecret[1] = ssl->chVersion.minor;
@@ -5098,7 +5221,7 @@ int SetCipherList(Suites* s, const char* list)
ret = RsaPublicEncrypt(ssl->arrays.preMasterSecret, SECRET_LEN,
encSecret, sizeof(encSecret), &ssl->peerRsaKey,
&ssl->rng);
ssl->rng);
if (ret > 0) {
encSz = ret;
ret = 0; /* set success to 0 */
@@ -5121,7 +5244,7 @@ int SetCipherList(Suites* s, const char* list)
serverG.buffer, serverG.length);
if (ret == 0)
/* for DH, encSecret is Yc, agree is pre-master */
ret = DhGenerateKeyPair(&key, &ssl->rng, priv, &privSz,
ret = DhGenerateKeyPair(&key, ssl->rng, priv, &privSz,
encSecret, &encSz);
if (ret == 0)
ret = DhAgree(&key, ssl->arrays.preMasterSecret,
@@ -5163,7 +5286,7 @@ int SetCipherList(Suites* s, const char* list)
'C', 'y', 'a', 'S', 'S', 'L', ' ', 'N', 'T', 'R', 'U'
};
RNG_GenerateBlock(&ssl->rng, ssl->arrays.preMasterSecret,
RNG_GenerateBlock(ssl->rng, ssl->arrays.preMasterSecret,
SECRET_LEN);
ssl->arrays.preMasterSz = SECRET_LEN;
@@ -5205,7 +5328,7 @@ int SetCipherList(Suites* s, const char* list)
}
ecc_init(&myKey);
ret = ecc_make_key(&ssl->rng, peerKey->dp->size, &myKey);
ret = ecc_make_key(ssl->rng, peerKey->dp->size, &myKey);
if (ret != 0)
return ECC_MAKEKEY_ERROR;
@@ -5266,7 +5389,8 @@ int SetCipherList(Suites* s, const char* list)
idx += 2;
}
XMEMCPY(output + idx, encSecret, encSz);
idx += encSz;
/* if add more to output, adjust idx
idx += encSz; */
HashOutput(ssl, output, sendSz, 0);
@@ -5371,7 +5495,7 @@ int SetCipherList(Suites* s, const char* list)
word32 localSz = sigOutSz;
ret = ecc_sign_hash(signBuffer + MD5_DIGEST_SIZE,
SHA_DIGEST_SIZE, verify + extraSz + VERIFY_HEADER,
&localSz, &ssl->rng, &eccKey);
&localSz, ssl->rng, &eccKey);
#endif
}
else {
@@ -5390,7 +5514,7 @@ int SetCipherList(Suites* s, const char* list)
}
ret = RsaSSL_Sign(signBuffer, signSz, verify + extraSz +
VERIFY_HEADER, ENCRYPT_LEN, &key, &ssl->rng);
VERIFY_HEADER, ENCRYPT_LEN, &key, ssl->rng);
if (ret > 0)
ret = 0; /* RSA reset */
@@ -5476,7 +5600,7 @@ int SetCipherList(Suites* s, const char* list)
/* then random */
if (!ssl->options.resuming)
RNG_GenerateBlock(&ssl->rng, ssl->arrays.serverRandom, RAN_LEN);
RNG_GenerateBlock(ssl->rng, ssl->arrays.serverRandom, RAN_LEN);
XMEMCPY(output + idx, ssl->arrays.serverRandom, RAN_LEN);
idx += RAN_LEN;
@@ -5492,7 +5616,7 @@ int SetCipherList(Suites* s, const char* list)
/* then session id */
output[idx++] = ID_LEN;
if (!ssl->options.resuming)
RNG_GenerateBlock(&ssl->rng, ssl->arrays.sessionID, ID_LEN);
RNG_GenerateBlock(ssl->rng, ssl->arrays.sessionID, ID_LEN);
XMEMCPY(output + idx, ssl->arrays.sessionID, ID_LEN);
idx += ID_LEN;
@@ -5758,7 +5882,7 @@ int SetCipherList(Suites* s, const char* list)
signBuffer = encodedSig;
}
ret = RsaSSL_Sign(signBuffer, signSz, output + idx, sigSz,
&rsaKey, &ssl->rng);
&rsaKey, ssl->rng);
FreeRsaKey(&rsaKey);
ecc_free(&dsaKey);
if (ret > 0)
@@ -5770,7 +5894,7 @@ int SetCipherList(Suites* s, const char* list)
word32 sz = sigSz;
ret = ecc_sign_hash(&hash[MD5_DIGEST_SIZE], SHA_DIGEST_SIZE,
output + idx, &sz, &ssl->rng, &dsaKey);
output + idx, &sz, ssl->rng, &dsaKey);
FreeRsaKey(&rsaKey);
ecc_free(&dsaKey);
if (ret < 0) return ret;
@@ -5832,7 +5956,7 @@ int SetCipherList(Suites* s, const char* list)
ssl->buffers.serverDH_G.buffer,
ssl->buffers.serverDH_G.length);
if (ret == 0)
ret = DhGenerateKeyPair(&dhKey, &ssl->rng,
ret = DhGenerateKeyPair(&dhKey, ssl->rng,
ssl->buffers.serverDH_Priv.buffer,
&ssl->buffers.serverDH_Priv.length,
ssl->buffers.serverDH_Pub.buffer,
@@ -5960,11 +6084,9 @@ int SetCipherList(Suites* s, const char* list)
signBuffer = encodedSig;
}
ret = RsaSSL_Sign(signBuffer, signSz, output + idx, sigSz,
&rsaKey, &ssl->rng);
&rsaKey, ssl->rng);
FreeRsaKey(&rsaKey);
if (ret > 0)
ret = 0; /* reset on success */
else
if (ret <= 0)
return ret;
}
}
@@ -6295,11 +6417,19 @@ int SetCipherList(Suites* s, const char* list)
{
int haveRSA = !ssl->options.haveStaticECC;
int havePSK = 0;
byte first = ssl->suites.suites[idx];
byte second = ssl->suites.suites[idx+1];
byte first;
byte second;
CYASSL_ENTER("VerifySuite");
if (ssl->suites == NULL) {
CYASSL_MSG("Suites pointer error");
return 0;
}
first = ssl->suites->suites[idx];
second = ssl->suites->suites[idx+1];
#ifndef NO_PSK
havePSK = ssl->options.havePSK;
#endif
@@ -6379,16 +6509,19 @@ int SetCipherList(Suites* s, const char* list)
if (peerSuites->suiteSz == 0 || peerSuites->suiteSz & 0x1)
return MATCH_SUITE_ERROR;
if (ssl->suites == NULL)
return SUITES_ERROR;
/* start with best, if a match we are good */
for (i = 0; i < ssl->suites.suiteSz; i += 2)
for (i = 0; i < ssl->suites->suiteSz; i += 2)
for (j = 0; j < peerSuites->suiteSz; j += 2)
if (ssl->suites.suites[i] == peerSuites->suites[j] &&
ssl->suites.suites[i+1] == peerSuites->suites[j+1] ) {
if (ssl->suites->suites[i] == peerSuites->suites[j] &&
ssl->suites->suites[i+1] == peerSuites->suites[j+1] ) {
if (VerifySuite(ssl, i)) {
CYASSL_MSG("Verified suite validity");
ssl->options.cipherSuite0 = ssl->suites.suites[i];
ssl->options.cipherSuite = ssl->suites.suites[i+1];
ssl->options.cipherSuite0 = ssl->suites->suites[i];
ssl->options.cipherSuite = ssl->suites->suites[i+1];
return SetCipherSpecs(ssl);
}
else {
@@ -6463,7 +6596,7 @@ int SetCipherList(Suites* s, const char* list)
havePSK = ssl->options.havePSK;
#endif
InitSuites(&ssl->suites, ssl->version, ssl->options.haveDH, havePSK,
InitSuites(ssl->suites, ssl->version, ssl->options.haveDH, havePSK,
ssl->options.haveNTRU, ssl->options.haveECDSAsig,
ssl->options.haveStaticECC, ssl->options.side);
}
@@ -6534,7 +6667,7 @@ int SetCipherList(Suites* s, const char* list)
return UNSUPPORTED_SUITE;
}
RNG_GenerateBlock(&ssl->rng, ssl->arrays.serverRandom, RAN_LEN);
RNG_GenerateBlock(ssl->rng, ssl->arrays.serverRandom, RAN_LEN);
if (ssl->options.tls)
ret = DeriveTlsKeys(ssl);
else
@@ -6594,7 +6727,7 @@ int SetCipherList(Suites* s, const char* list)
#ifndef NO_PSK
havePSK = ssl->options.havePSK;
#endif
InitSuites(&ssl->suites, ssl->version, ssl->options.haveDH, havePSK,
InitSuites(ssl->suites, ssl->version, ssl->options.haveDH, havePSK,
ssl->options.haveNTRU, ssl->options.haveECDSAsig,
ssl->options.haveStaticECC, ssl->options.side);
}
@@ -6696,7 +6829,7 @@ int SetCipherList(Suites* s, const char* list)
return UNSUPPORTED_SUITE;
}
RNG_GenerateBlock(&ssl->rng, ssl->arrays.serverRandom, RAN_LEN);
RNG_GenerateBlock(ssl->rng, ssl->arrays.serverRandom, RAN_LEN);
if (ssl->options.tls)
ret = DeriveTlsKeys(ssl);
else

125
src/keys.c
View File

@@ -918,34 +918,46 @@ static int SetPrefix(byte* sha_input, int idx)
static int SetKeys(Ciphers* enc, Ciphers* dec, Keys* keys, CipherSpecs* specs,
byte side)
byte side, void* heap, RNG* rng)
{
#ifdef BUILD_ARC4
word32 sz = specs->key_size;
if (specs->bulk_cipher_algorithm == rc4) {
enc->arc4 = (Arc4*)XMALLOC(sizeof(Arc4), heap, DYNAMIC_TYPE_CIPHER);
if (enc->arc4 == NULL)
return MEMORY_E;
dec->arc4 = (Arc4*)XMALLOC(sizeof(Arc4), heap, DYNAMIC_TYPE_CIPHER);
if (dec->arc4 == NULL)
return MEMORY_E;
if (side == CLIENT_END) {
Arc4SetKey(&enc->arc4, keys->client_write_key, sz);
Arc4SetKey(&dec->arc4, keys->server_write_key, sz);
Arc4SetKey(enc->arc4, keys->client_write_key, sz);
Arc4SetKey(dec->arc4, keys->server_write_key, sz);
}
else {
Arc4SetKey(&enc->arc4, keys->server_write_key, sz);
Arc4SetKey(&dec->arc4, keys->client_write_key, sz);
Arc4SetKey(enc->arc4, keys->server_write_key, sz);
Arc4SetKey(dec->arc4, keys->client_write_key, sz);
}
}
#endif
#ifdef HAVE_HC128
if (specs->bulk_cipher_algorithm == hc128) {
enc->hc128 = (HC128*)XMALLOC(sizeof(HC128), heap, DYNAMIC_TYPE_CIPHER);
if (enc->hc128 == NULL)
return MEMORY_E;
dec->hc128 = (HC128*)XMALLOC(sizeof(HC128), heap, DYNAMIC_TYPE_CIPHER);
if (dec->hc128 == NULL)
return MEMORY_E;
if (side == CLIENT_END) {
Hc128_SetKey(&enc->hc128, keys->client_write_key,
Hc128_SetKey(enc->hc128, keys->client_write_key,
keys->client_write_IV);
Hc128_SetKey(&dec->hc128, keys->server_write_key,
Hc128_SetKey(dec->hc128, keys->server_write_key,
keys->server_write_IV);
}
else {
Hc128_SetKey(&enc->hc128, keys->server_write_key,
Hc128_SetKey(enc->hc128, keys->server_write_key,
keys->server_write_IV);
Hc128_SetKey(&dec->hc128, keys->client_write_key,
Hc128_SetKey(dec->hc128, keys->client_write_key,
keys->client_write_IV);
}
}
@@ -953,16 +965,22 @@ static int SetKeys(Ciphers* enc, Ciphers* dec, Keys* keys, CipherSpecs* specs,
#ifdef BUILD_RABBIT
if (specs->bulk_cipher_algorithm == rabbit) {
enc->rabbit = (Rabbit*)XMALLOC(sizeof(Rabbit),heap,DYNAMIC_TYPE_CIPHER);
if (enc->rabbit == NULL)
return MEMORY_E;
dec->rabbit = (Rabbit*)XMALLOC(sizeof(Rabbit),heap,DYNAMIC_TYPE_CIPHER);
if (dec->rabbit == NULL)
return MEMORY_E;
if (side == CLIENT_END) {
RabbitSetKey(&enc->rabbit, keys->client_write_key,
RabbitSetKey(enc->rabbit, keys->client_write_key,
keys->client_write_IV);
RabbitSetKey(&dec->rabbit, keys->server_write_key,
RabbitSetKey(dec->rabbit, keys->server_write_key,
keys->server_write_IV);
}
else {
RabbitSetKey(&enc->rabbit, keys->server_write_key,
RabbitSetKey(enc->rabbit, keys->server_write_key,
keys->server_write_IV);
RabbitSetKey(&dec->rabbit, keys->client_write_key,
RabbitSetKey(dec->rabbit, keys->client_write_key,
keys->client_write_IV);
}
}
@@ -970,16 +988,22 @@ static int SetKeys(Ciphers* enc, Ciphers* dec, Keys* keys, CipherSpecs* specs,
#ifdef BUILD_DES3
if (specs->bulk_cipher_algorithm == triple_des) {
enc->des3 = (Des3*)XMALLOC(sizeof(Des3), heap, DYNAMIC_TYPE_CIPHER);
if (enc->des3 == NULL)
return MEMORY_E;
dec->des3 = (Des3*)XMALLOC(sizeof(Des3), heap, DYNAMIC_TYPE_CIPHER);
if (dec->des3 == NULL)
return MEMORY_E;
if (side == CLIENT_END) {
Des3_SetKey(&enc->des3, keys->client_write_key,
Des3_SetKey(enc->des3, keys->client_write_key,
keys->client_write_IV, DES_ENCRYPTION);
Des3_SetKey(&dec->des3, keys->server_write_key,
Des3_SetKey(dec->des3, keys->server_write_key,
keys->server_write_IV, DES_DECRYPTION);
}
else {
Des3_SetKey(&enc->des3, keys->server_write_key,
Des3_SetKey(enc->des3, keys->server_write_key,
keys->server_write_IV, DES_ENCRYPTION);
Des3_SetKey(&dec->des3, keys->client_write_key,
Des3_SetKey(dec->des3, keys->client_write_key,
keys->client_write_IV, DES_DECRYPTION);
}
}
@@ -987,19 +1011,25 @@ static int SetKeys(Ciphers* enc, Ciphers* dec, Keys* keys, CipherSpecs* specs,
#ifdef BUILD_AES
if (specs->bulk_cipher_algorithm == aes) {
enc->aes = (Aes*)XMALLOC(sizeof(Aes), heap, DYNAMIC_TYPE_CIPHER);
if (enc->aes == NULL)
return MEMORY_E;
dec->aes = (Aes*)XMALLOC(sizeof(Aes), heap, DYNAMIC_TYPE_CIPHER);
if (dec->aes == NULL)
return MEMORY_E;
if (side == CLIENT_END) {
AesSetKey(&enc->aes, keys->client_write_key,
AesSetKey(enc->aes, keys->client_write_key,
specs->key_size, keys->client_write_IV,
AES_ENCRYPTION);
AesSetKey(&dec->aes, keys->server_write_key,
AesSetKey(dec->aes, keys->server_write_key,
specs->key_size, keys->server_write_IV,
AES_DECRYPTION);
}
else {
AesSetKey(&enc->aes, keys->server_write_key,
AesSetKey(enc->aes, keys->server_write_key,
specs->key_size, keys->server_write_IV,
AES_ENCRYPTION);
AesSetKey(&dec->aes, keys->client_write_key,
AesSetKey(dec->aes, keys->client_write_key,
specs->key_size, keys->client_write_IV,
AES_DECRYPTION);
}
@@ -1008,16 +1038,28 @@ static int SetKeys(Ciphers* enc, Ciphers* dec, Keys* keys, CipherSpecs* specs,
#ifdef BUILD_AESGCM
if (specs->bulk_cipher_algorithm == aes_gcm) {
byte iv[AES_GCM_EXP_IV_SZ];
enc->aes = (Aes*)XMALLOC(sizeof(Aes), heap, DYNAMIC_TYPE_CIPHER);
if (enc->aes == NULL)
return MEMORY_E;
dec->aes = (Aes*)XMALLOC(sizeof(Aes), heap, DYNAMIC_TYPE_CIPHER);
if (dec->aes == NULL)
return MEMORY_E;
/* Initialize the AES-GCM explicit IV to a random number. */
RNG_GenerateBlock(rng, iv, sizeof(iv));
AesGcmSetExpIV(enc->aes, iv);
if (side == CLIENT_END) {
AesGcmSetKey(&enc->aes, keys->client_write_key, specs->key_size,
AesGcmSetKey(enc->aes, keys->client_write_key, specs->key_size,
keys->client_write_IV);
AesGcmSetKey(&dec->aes, keys->server_write_key, specs->key_size,
AesGcmSetKey(dec->aes, keys->server_write_key, specs->key_size,
keys->server_write_IV);
}
else {
AesGcmSetKey(&enc->aes, keys->server_write_key, specs->key_size,
AesGcmSetKey(enc->aes, keys->server_write_key, specs->key_size,
keys->server_write_IV);
AesGcmSetKey(&dec->aes, keys->client_write_key, specs->key_size,
AesGcmSetKey(dec->aes, keys->client_write_key, specs->key_size,
keys->client_write_IV);
}
}
@@ -1026,6 +1068,7 @@ static int SetKeys(Ciphers* enc, Ciphers* dec, Keys* keys, CipherSpecs* specs,
keys->sequence_number = 0;
keys->peer_sequence_number = 0;
keys->encryptionOn = 0;
(void)rng;
return 0;
}
@@ -1043,16 +1086,6 @@ int StoreKeys(CYASSL* ssl, const byte* keyData)
XMEMCPY(ssl->keys.server_write_MAC_secret,&keyData[i], sz);
i += sz;
}
#ifdef BUILD_AESGCM
else if (ssl->specs.bulk_cipher_algorithm == aes_gcm) {
byte iv[AES_GCM_EXP_IV_SZ];
/* Initialize the AES-GCM explicit IV to a random number. */
RNG_GenerateBlock(&ssl->rng, iv, sizeof(iv));
AesGcmSetExpIV(&ssl->encrypt.aes, iv);
}
#endif
sz = ssl->specs.key_size;
XMEMCPY(ssl->keys.client_write_key, &keyData[i], sz);
i += sz;
@@ -1065,7 +1098,7 @@ int StoreKeys(CYASSL* ssl, const byte* keyData)
XMEMCPY(ssl->keys.server_write_IV, &keyData[i], sz);
return SetKeys(&ssl->encrypt, &ssl->decrypt, &ssl->keys, &ssl->specs,
ssl->options.side);
ssl->options.side, ssl->heap, ssl->rng);
}
@@ -1103,7 +1136,6 @@ int DeriveKeys(CYASSL* ssl)
XMEMCPY(shaInput + idx, ssl->arrays.serverRandom, RAN_LEN);
idx += RAN_LEN;
XMEMCPY(shaInput + idx, ssl->arrays.clientRandom, RAN_LEN);
idx += RAN_LEN;
ShaUpdate(&sha, shaInput, sizeof(shaInput) - KEY_PREFIX + j);
ShaFinal(&sha, shaOutput);
@@ -1124,7 +1156,7 @@ static void CleanPreMaster(CYASSL* ssl)
for (i = 0; i < sz; i++)
ssl->arrays.preMasterSecret[i] = 0;
RNG_GenerateBlock(&ssl->rng, ssl->arrays.preMasterSecret, sz);
RNG_GenerateBlock(ssl->rng, ssl->arrays.preMasterSecret, sz);
for (i = 0; i < sz; i++)
ssl->arrays.preMasterSecret[i] = 0;
@@ -1133,7 +1165,7 @@ static void CleanPreMaster(CYASSL* ssl)
/* Create and store the master secret see page 32, 6.1 */
int MakeMasterSecret(CYASSL* ssl)
static int MakeSslMasterSecret(CYASSL* ssl)
{
byte shaOutput[SHA_DIGEST_SIZE];
byte md5Input[ENCRYPT_LEN + SHA_DIGEST_SIZE];
@@ -1155,10 +1187,6 @@ int MakeMasterSecret(CYASSL* ssl)
}
#endif
#ifndef NO_TLS
if (ssl->options.tls) return MakeTlsMasterSecret(ssl);
#endif
InitMd5(&md5);
InitSha(&sha);
@@ -1206,3 +1234,14 @@ int MakeMasterSecret(CYASSL* ssl)
return ret;
}
/* Master wrapper, doesn't use SSL stack space in TLS mode */
int MakeMasterSecret(CYASSL* ssl)
{
#ifndef NO_TLS
if (ssl->options.tls) return MakeTlsMasterSecret(ssl);
#endif
return MakeSslMasterSecret(ssl);
}

26
src/sniffer.c
View File

@@ -217,7 +217,8 @@ static const char* const msgTable[] =
/* 66 */
"Bad Finished Message Processing",
"Bad Compression Type"
"Bad Compression Type",
"Bad DeriveKeys Error"
};
@@ -1205,6 +1206,7 @@ static int ProcessServerHello(const byte* input, int* sslBytes,
}
if (doResume ) {
int ret = 0;
SSL_SESSION* resume = GetSession(session->sslServer,
session->sslServer->arrays.masterSecret);
if (resume == NULL) {
@@ -1228,12 +1230,16 @@ static int ProcessServerHello(const byte* input, int* sslBytes,
}
if (session->sslServer->options.tls) {
DeriveTlsKeys(session->sslServer);
DeriveTlsKeys(session->sslClient);
ret = DeriveTlsKeys(session->sslServer);
ret += DeriveTlsKeys(session->sslClient);
}
else {
DeriveKeys(session->sslServer);
DeriveKeys(session->sslClient);
ret = DeriveKeys(session->sslServer);
ret += DeriveKeys(session->sslClient);
}
if (ret != 0) {
SetError(BAD_DERIVE_STR, error, session, FATAL_ERROR_STATE);
return -1;
}
}
#ifdef SHOW_SECRETS
@@ -1517,31 +1523,31 @@ static void Decrypt(SSL* ssl, byte* output, const byte* input, word32 sz)
switch (ssl->specs.bulk_cipher_algorithm) {
#ifdef BUILD_ARC4
case rc4:
Arc4Process(&ssl->decrypt.arc4, output, input, sz);
Arc4Process(ssl->decrypt.arc4, output, input, sz);
break;
#endif
#ifdef BUILD_DES3
case triple_des:
Des3_CbcDecrypt(&ssl->decrypt.des3, output, input, sz);
Des3_CbcDecrypt(ssl->decrypt.des3, output, input, sz);
break;
#endif
#ifdef BUILD_AES
case aes:
AesCbcDecrypt(&ssl->decrypt.aes, output, input, sz);
AesCbcDecrypt(ssl->decrypt.aes, output, input, sz);
break;
#endif
#ifdef HAVE_HC128
case hc128:
Hc128_Process(&ssl->decrypt.hc128, output, input, sz);
Hc128_Process(ssl->decrypt.hc128, output, input, sz);
break;
#endif
#ifdef BUILD_RABBIT
case rabbit:
RabbitProcess(&ssl->decrypt.rabbit, output, input, sz);
RabbitProcess(ssl->decrypt.rabbit, output, input, sz);
break;
#endif

60
src/ssl.c
View File

@@ -216,6 +216,34 @@ int CyaSSL_negotiate(CYASSL* ssl)
}
/* object size based on build */
int CyaSSL_GetObjectSize(void)
{
#ifdef SHOW_SIZES
printf("sizeof suites = %lu\n", sizeof(Suites));
printf("sizeof ciphers(2) = %lu\n", sizeof(Ciphers));
printf("\tsizeof arc4 = %lu\n", sizeof(Arc4));
printf("\tsizeof aes = %lu\n", sizeof(Aes));
printf("\tsizeof des3 = %lu\n", sizeof(Des3));
printf("\tsizeof rabbit = %lu\n", sizeof(Rabbit));
printf("sizeof cipher specs = %lu\n", sizeof(CipherSpecs));
printf("sizeof keys = %lu\n", sizeof(Keys));
printf("sizeof MD5 = %lu\n", sizeof(Md5));
printf("sizeof SHA = %lu\n", sizeof(Sha));
printf("sizeof SHA256 = %lu\n", sizeof(Sha256));
printf("sizeof Hashes(2) = %lu\n", sizeof(Hashes));
printf("sizeof Buffers = %lu\n", sizeof(Buffers));
printf("sizeof Options = %lu\n", sizeof(Options));
printf("sizeof Arrays = %lu\n", sizeof(Arrays));
printf("sizeof Session = %lu\n", sizeof(CYASSL_SESSION));
printf("sizeof peerKey = %lu\n", sizeof(RsaKey));
printf("sizeof CYASSL_CIPHER = %lu\n", sizeof(CYASSL_CIPHER));
#endif
return sizeof(CYASSL);
}
/* server Diffie-Hellman parameters */
int CyaSSL_SetTmpDH(CYASSL* ssl, const unsigned char* p, int pSz,
const unsigned char* g, int gSz)
@@ -256,7 +284,7 @@ int CyaSSL_SetTmpDH(CYASSL* ssl, const unsigned char* p, int pSz,
#ifndef NO_PSK
havePSK = ssl->options.havePSK;
#endif
InitSuites(&ssl->suites, ssl->version, ssl->options.haveDH,
InitSuites(ssl->suites, ssl->version, ssl->options.haveDH,
havePSK, ssl->options.haveNTRU, ssl->options.haveECDSAsig,
ssl->options.haveStaticECC, ssl->options.side);
@@ -542,7 +570,7 @@ int CyaSSL_SetVersion(CYASSL* ssl, int version)
havePSK = ssl->options.havePSK;
#endif
InitSuites(&ssl->suites, ssl->version, ssl->options.haveDH, havePSK,
InitSuites(ssl->suites, ssl->version, ssl->options.haveDH, havePSK,
ssl->options.haveNTRU, ssl->options.haveECDSAsig,
ssl->options.haveStaticECC, ssl->options.side);
@@ -729,7 +757,6 @@ int AddCA(CYASSL_CERT_MANAGER* cm, buffer der, int type, int verify)
(void)heap;
(void)dynamicType;
(void)pkcs8Enc;
if (type == CERT_TYPE || type == CA_TYPE) {
XSTRNCPY(header, "-----BEGIN CERTIFICATE-----", sizeof(header));
@@ -766,8 +793,10 @@ int AddCA(CYASSL_CERT_MANAGER* cm, buffer der, int type, int verify)
sizeof(footer));
headerEnd = XSTRNSTR((char*)buff, header, sz);
if (headerEnd)
if (headerEnd) {
pkcs8Enc = 1;
(void)pkcs8Enc; /* only opensslextra will read */
}
}
}
if (!headerEnd && type == PRIVATEKEY_TYPE) { /* may be ecc */
@@ -876,7 +905,7 @@ int AddCA(CYASSL_CERT_MANAGER* cm, buffer der, int type, int verify)
int passwordSz;
char password[80];
if (!info->ctx || !info->ctx->passwd_cb)
if (!info || !info->ctx || !info->ctx->passwd_cb)
return SSL_BAD_FILE; /* no callback error */
passwordSz = info->ctx->passwd_cb(password, sizeof(password), 0,
info->ctx->userdata);
@@ -943,7 +972,7 @@ int AddCA(CYASSL_CERT_MANAGER* cm, buffer der, int type, int verify)
CYASSL_MSG("Growing Tmp Chain Buffer");
bufferSz = sz - consumed; /* will shrink to actual size */
chainBuffer = (byte*)XMALLOC(bufferSz, ctx->heap,
DYNAMIC_FILE_TYPE);
DYNAMIC_TYPE_FILE);
if (chainBuffer == NULL) {
XFREE(der.buffer, ctx->heap, dynamicType);
return MEMORY_E;
@@ -1393,6 +1422,7 @@ int CyaSSL_CertManagerVerifyBuffer(CYASSL_CERT_MANAGER* cm, const byte* buff,
CYASSL_ENTER("CyaSSL_CertManagerVerifyBuffer");
der.buffer = NULL;
der.length = 0;
if (format == SSL_FILETYPE_PEM) {
EncryptedInfo info;
@@ -2164,14 +2194,14 @@ int CyaSSL_CTX_set_cipher_list(CYASSL_CTX* ctx, const char* list)
int CyaSSL_set_cipher_list(CYASSL* ssl, const char* list)
{
CYASSL_ENTER("CyaSSL_set_cipher_list");
if (SetCipherList(&ssl->suites, list)) {
if (SetCipherList(ssl->suites, list)) {
byte havePSK = 0;
#ifndef NO_PSK
havePSK = ssl->options.havePSK;
#endif
InitSuites(&ssl->suites, ssl->version, ssl->options.haveDH, havePSK,
InitSuites(ssl->suites, ssl->version, ssl->options.haveDH, havePSK,
ssl->options.haveNTRU, ssl->options.haveECDSAsig,
ssl->options.haveStaticECC, ssl->options.side);
@@ -2413,8 +2443,7 @@ void CyaSSL_dtls_got_timeout(CYASSL* ssl)
CYASSL_MSG("connect state: SECOND_REPLY_DONE");
case SECOND_REPLY_DONE:
if (ssl->buffers.inputBuffer.dynamicFlag)
ShrinkInputBuffer(ssl, NO_FORCED_FREE);
FreeHandshakeResources(ssl);
CYASSL_LEAVE("SSL_connect()", SSL_SUCCESS);
return SSL_SUCCESS;
@@ -2490,7 +2519,7 @@ void CyaSSL_dtls_got_timeout(CYASSL* ssl)
#ifdef HAVE_ECC
/* in case used set_accept_state after init */
if (ssl->eccTempKeyPresent == 0) {
if (ecc_make_key(&ssl->rng, ssl->eccTempKeySz,
if (ecc_make_key(ssl->rng, ssl->eccTempKeySz,
&ssl->eccTempKey) != 0) {
ssl->error = ECC_MAKEKEY_ERROR;
CYASSL_ERROR(ssl->error);
@@ -2650,8 +2679,7 @@ void CyaSSL_dtls_got_timeout(CYASSL* ssl)
CYASSL_MSG("accept state ACCEPT_THIRD_REPLY_DONE");
case ACCEPT_THIRD_REPLY_DONE :
if (ssl->buffers.inputBuffer.dynamicFlag)
ShrinkInputBuffer(ssl, NO_FORCED_FREE);
FreeHandshakeResources(ssl);
CYASSL_LEAVE("SSL_accept()", SSL_SUCCESS);
return SSL_SUCCESS;
@@ -3221,7 +3249,7 @@ int CyaSSL_set_compression(CYASSL* ssl)
ssl->options.havePSK = 1;
ssl->options.client_psk_cb = cb;
InitSuites(&ssl->suites, ssl->version,TRUE,TRUE, ssl->options.haveNTRU,
InitSuites(ssl->suites, ssl->version,TRUE,TRUE, ssl->options.haveNTRU,
ssl->options.haveECDSAsig, ssl->options.haveStaticECC,
ssl->options.side);
}
@@ -3242,7 +3270,7 @@ int CyaSSL_set_compression(CYASSL* ssl)
ssl->options.havePSK = 1;
ssl->options.server_psk_cb = cb;
InitSuites(&ssl->suites, ssl->version, ssl->options.haveDH, TRUE,
InitSuites(ssl->suites, ssl->version, ssl->options.haveDH, TRUE,
ssl->options.haveNTRU, ssl->options.haveECDSAsig,
ssl->options.haveStaticECC, ssl->options.side);
}
@@ -3467,7 +3495,7 @@ int CyaSSL_set_compression(CYASSL* ssl)
#ifndef NO_PSK
havePSK = ssl->options.havePSK;
#endif
InitSuites(&ssl->suites, ssl->version, ssl->options.haveDH, havePSK,
InitSuites(ssl->suites, ssl->version, ssl->options.haveDH, havePSK,
ssl->options.haveNTRU, ssl->options.haveECDSAsig,
ssl->options.haveStaticECC, ssl->options.side);
}

36
src/tls.c
View File

@@ -120,9 +120,8 @@ static void p_hash(byte* result, word32 resLen, const byte* secret,
/* compute TLSv1 PRF (pseudo random function using HMAC) */
static void PRF(byte* digest, word32 digLen, const byte* secret, word32 secLen,
const byte* label, word32 labLen, const byte* seed, word32 seedLen,
int useAtLeastSha256, int hash_type)
static void doPRF(byte* digest, word32 digLen, const byte* secret,word32 secLen,
const byte* label, word32 labLen, const byte* seed, word32 seedLen)
{
word32 half = (secLen + 1) / 2;
@@ -145,21 +144,38 @@ static void PRF(byte* digest, word32 digLen, const byte* secret, word32 secLen,
XMEMCPY(labelSeed, label, labLen);
XMEMCPY(labelSeed + labLen, seed, seedLen);
p_hash(md5_result, digLen, md5_half, half, labelSeed, labLen + seedLen,
md5_mac);
p_hash(sha_result, digLen, sha_half, half, labelSeed, labLen + seedLen,
sha_mac);
get_xor(digest, digLen, md5_result, sha_result);
}
/* Wrapper to call straight thru to p_hash in TSL 1.2 cases to remove stack
use */
static void PRF(byte* digest, word32 digLen, const byte* secret, word32 secLen,
const byte* label, word32 labLen, const byte* seed, word32 seedLen,
int useAtLeastSha256, int hash_type)
{
if (useAtLeastSha256) {
byte labelSeed[MAX_PRF_LABSEED]; /* labLen + seedLen is real size */
if (labLen + seedLen > MAX_PRF_LABSEED)
return;
XMEMCPY(labelSeed, label, labLen);
XMEMCPY(labelSeed + labLen, seed, seedLen);
/* If a cipher suite wants an algorithm better than sha256, it
* should use better. */
if (hash_type < sha256_mac)
hash_type = sha256_mac;
p_hash(digest, digLen, secret, secLen, labelSeed, labLen + seedLen,
hash_type);
return;
}
p_hash(md5_result, digLen, md5_half, half, labelSeed, labLen + seedLen,
md5_mac);
p_hash(sha_result, digLen, sha_half, half, labelSeed, labLen + seedLen,
sha_mac);
get_xor(digest, digLen, md5_result, sha_result);
else
doPRF(digest, digLen, secret, secLen, label, labLen, seed, seedLen);
}