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Rebase fixes for TLS 1.3. Getting a decrypt error with the TLS 1.3 test from the SendTls13CertificateVerify.

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This commit is contained in:
David Garske
2017-04-14 16:39:21 -07:00
parent 2b1e9973ec
commit 77f9126edf
4 changed files with 105 additions and 124 deletions
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10
examples/client/client.c
View File

@@ -618,7 +618,7 @@ static void Usage(void)
#endif #endif
printf("-H Force use of the default cipher suite list\n"); printf("-H Force use of the default cipher suite list\n");
#ifdef WOLFSSL_TLS13 #ifdef WOLFSSL_TLS13
printf("-t Use HelloRetryRequest to choose group for KE\n"); printf("-J Use HelloRetryRequest to choose group for KE\n");
printf("-K Key Exchange for PSK not using (EC)DHE\n"); printf("-K Key Exchange for PSK not using (EC)DHE\n");
printf("-I Update keys and IVs before sending data\n"); printf("-I Update keys and IVs before sending data\n");
#ifndef NO_DH #ifndef NO_DH
@@ -767,10 +767,10 @@ THREAD_RETURN WOLFSSL_THREAD client_test(void* args)
StackTrap(); StackTrap();
#ifndef WOLFSSL_VXWORKS #ifndef WOLFSSL_VXWORKS
/* Not used: j, J, Q */ /* Not used: j, t, Q */
while ((ch = mygetopt(argc, argv, "?" while ((ch = mygetopt(argc, argv, "?"
"ab:c:defgh:ik:l:mnop:q:rstuv:wxyz" "ab:c:defgh:ik:l:mnop:q:rsuv:wxyz"
"A:B:CDE:F:GHIKL:M:NO:PRS:TUVW:XYZ:")) != -1) { "A:B:CDE:F:GHIJKL:M:NO:PRS:TUVW:XYZ:")) != -1) {
switch (ch) { switch (ch) {
case '?' : case '?' :
Usage(); Usage();
@@ -1040,7 +1040,7 @@ THREAD_RETURN WOLFSSL_THREAD client_test(void* args)
#endif #endif
break; break;
case 't' : case 'J' :
#ifdef WOLFSSL_TLS13 #ifdef WOLFSSL_TLS13
helloRetry = 1; helloRetry = 1;
#endif #endif

2
scripts/tls13.test
View File

@@ -85,7 +85,7 @@ port=0
./examples/server/server -v 4 -R $ready_file -p $port & ./examples/server/server -v 4 -R $ready_file -p $port &
server_pid=$! server_pid=$!
create_port create_port
./examples/client/client -v 4 -H -p $port ./examples/client/client -v 4 -J -p $port
RESULT=$? RESULT=$?
remove_ready_file remove_ready_file
if [ $RESULT -ne 0 ]; then if [ $RESULT -ne 0 ]; then

13
src/internal.c
View File

@@ -5313,11 +5313,6 @@ int SendBuffered(WOLFSSL* ssl)
return SOCKET_ERROR_E; return SOCKET_ERROR_E;
} }
if (ssl->buffers.outputBuffer.idx == 0) {
WOLFSSL_MSG("Data to send");
WOLFSSL_BUFFER(ssl->buffers.outputBuffer.buffer,
ssl->buffers.outputBuffer.length);
}
while (ssl->buffers.outputBuffer.length > 0) { while (ssl->buffers.outputBuffer.length > 0) {
int sent = ssl->ctx->CBIOSend(ssl, int sent = ssl->ctx->CBIOSend(ssl,
(char*)ssl->buffers.outputBuffer.buffer + (char*)ssl->buffers.outputBuffer.buffer +
@@ -10243,12 +10238,6 @@ static int GetInputData(WOLFSSL *ssl, word32 size)
} while (ssl->buffers.inputBuffer.length < size); } while (ssl->buffers.inputBuffer.length < size);
if (ssl->buffers.inputBuffer.idx == 0) {
WOLFSSL_MSG("Data received");
WOLFSSL_BUFFER(ssl->buffers.inputBuffer.buffer,
ssl->buffers.inputBuffer.length);
}
return 0; return 0;
} }
@@ -10538,7 +10527,7 @@ int ProcessReply(WOLFSSL* ssl)
return ret; return ret;
#endif #endif
if (ret == 0) { if (ret >= 0) {
/* handle success */ /* handle success */
if (ssl->options.tls1_1 && ssl->specs.cipher_type == block) if (ssl->options.tls1_1 && ssl->specs.cipher_type == block)
ssl->buffers.inputBuffer.idx += ssl->specs.block_size; ssl->buffers.inputBuffer.idx += ssl->specs.block_size;

192
src/tls13.c
View File

@@ -3281,16 +3281,12 @@ typedef struct Scv13Args {
byte* verify; /* not allocated */ byte* verify; /* not allocated */
byte* input; byte* input;
word32 idx; word32 idx;
word32 extraSz; word32 sigLen;
word32 sigSz;
int sendSz; int sendSz;
int length; word16 length;
int inputSz;
byte sigData[MAX_SIG_DATA_SZ]; byte sigData[MAX_SIG_DATA_SZ];
word16 sigDataSz; word16 sigDataSz;
word16 keySz;
} Scv13Args; } Scv13Args;
static void FreeScv13Args(WOLFSSL* ssl, void* pArgs) static void FreeScv13Args(WOLFSSL* ssl, void* pArgs)
@@ -3323,6 +3319,7 @@ static void FreeScv13Args(WOLFSSL* ssl, void* pArgs)
int SendTls13CertificateVerify(WOLFSSL* ssl) int SendTls13CertificateVerify(WOLFSSL* ssl)
{ {
int ret = 0; int ret = 0;
buffer* sig = &ssl->buffers.sig;
#ifdef WOLFSSL_ASYNC_CRYPT #ifdef WOLFSSL_ASYNC_CRYPT
Scv13Args* args = (Scv13Args*)ssl->async.args; Scv13Args* args = (Scv13Args*)ssl->async.args;
typedef char args_test[sizeof(ssl->async.args) >= sizeof(*args) ? 1 : -1]; typedef char args_test[sizeof(ssl->async.args) >= sizeof(*args) ? 1 : -1];
@@ -3383,7 +3380,7 @@ int SendTls13CertificateVerify(WOLFSSL* ssl)
args->idx = RECORD_HEADER_SZ + HANDSHAKE_HEADER_SZ; args->idx = RECORD_HEADER_SZ + HANDSHAKE_HEADER_SZ;
args->verify = &args->output[RECORD_HEADER_SZ + HANDSHAKE_HEADER_SZ]; args->verify = &args->output[RECORD_HEADER_SZ + HANDSHAKE_HEADER_SZ];
ret = DecodePrivateKey(ssl, &args->keySz); ret = DecodePrivateKey(ssl, &args->length);
if (ret != 0) if (ret != 0)
goto exit_scv; goto exit_scv;
@@ -3395,27 +3392,26 @@ int SendTls13CertificateVerify(WOLFSSL* ssl)
#ifndef NO_RSA #ifndef NO_RSA
if (ssl->hsType == DYNAMIC_TYPE_RSA) { if (ssl->hsType == DYNAMIC_TYPE_RSA) {
args->sigSz = ENCRYPT_LEN;
/* build encoded signature buffer */ /* build encoded signature buffer */
ssl->buffers.sig.length = MAX_ENCODED_SIG_SZ; sig->length = MAX_ENCODED_SIG_SZ;
ssl->buffers.sig.buffer = (byte*)XMALLOC(ssl->buffers.sig.length, sig->buffer = (byte*)XMALLOC(sig->length,
ssl->heap, DYNAMIC_TYPE_TMP_BUFFER); ssl->heap, DYNAMIC_TYPE_TMP_BUFFER);
if (ssl->buffers.sig.buffer == NULL) if (sig->buffer == NULL)
return MEMORY_E; return MEMORY_E;
/* Digest the signature data and encode. Used in verify too. */ /* Digest the signature data and encode. Used in verify too. */
ssl->buffers.sig.length = CreateRSAEncodedSig( sig->length = CreateRSAEncodedSig(sig->buffer, args->sigData,
ssl->buffers.sig.buffer, args->sigData, args->sigDataSz, args->sigDataSz, ssl->suites->hashAlgo);
ssl->suites->hashAlgo);
if (ret != 0) if (ret != 0)
goto exit_scv; goto exit_scv;
/* Maximum size of RSA Signature. */
args->sigLen = args->length;
} }
#endif /* !NO_RSA */ #endif /* !NO_RSA */
#ifdef HAVE_ECC #ifdef HAVE_ECC
if (ssl->hsType == DYNAMIC_TYPE_ECC) if (ssl->hsType == DYNAMIC_TYPE_ECC)
ssl->buffers.sig.length = args->sendSz - args->idx - sig->length = args->sendSz - args->idx - HASH_SIG_SIZE - VERIFY_HEADER;
HASH_SIG_SIZE - VERIFY_HEADER;
#endif /* HAVE_ECC */ #endif /* HAVE_ECC */
/* Advance state and proceed */ /* Advance state and proceed */
@@ -3428,7 +3424,7 @@ int SendTls13CertificateVerify(WOLFSSL* ssl)
if (ssl->hsType == DYNAMIC_TYPE_ECC) { if (ssl->hsType == DYNAMIC_TYPE_ECC) {
ret = EccSign(ssl, args->sigData, args->sigDataSz, ret = EccSign(ssl, args->sigData, args->sigDataSz,
args->verify + HASH_SIG_SIZE + VERIFY_HEADER, args->verify + HASH_SIG_SIZE + VERIFY_HEADER,
&ssl->buffers.sig.length, (ecc_key*)ssl->hsKey, &sig->length, (ecc_key*)ssl->hsKey,
#if defined(HAVE_PK_CALLBACKS) #if defined(HAVE_PK_CALLBACKS)
ssl->buffers.key->buffer, ssl->buffers.key->length, ssl->buffers.key->buffer, ssl->buffers.key->length,
ssl->EccSignCtx ssl->EccSignCtx
@@ -3436,6 +3432,7 @@ int SendTls13CertificateVerify(WOLFSSL* ssl)
NULL, 0, NULL NULL, 0, NULL
#endif #endif
); );
args->length = sig->length;
} }
#endif /* HAVE_ECC */ #endif /* HAVE_ECC */
#ifndef NO_RSA #ifndef NO_RSA
@@ -3443,8 +3440,8 @@ int SendTls13CertificateVerify(WOLFSSL* ssl)
/* restore verify pointer */ /* restore verify pointer */
args->verify = &args->output[args->idx]; args->verify = &args->output[args->idx];
ret = RsaSign(ssl, ssl->buffers.sig.buffer, ssl->buffers.sig.length, ret = RsaSign(ssl, sig->buffer, sig->length,
args->verify + HASH_SIG_SIZE + VERIFY_HEADER, &args->sigSz, args->verify + HASH_SIG_SIZE + VERIFY_HEADER, &args->sigLen,
(RsaKey*)ssl->hsKey, (RsaKey*)ssl->hsKey,
ssl->buffers.key->buffer, ssl->buffers.key->length, ssl->buffers.key->buffer, ssl->buffers.key->length,
#ifdef HAVE_PK_CALLBACKS #ifdef HAVE_PK_CALLBACKS
@@ -3453,7 +3450,7 @@ int SendTls13CertificateVerify(WOLFSSL* ssl)
NULL NULL
#endif #endif
); );
args->keySz = ssl->buffers.sig.length; args->length = args->sigLen;
} }
#endif /* !NO_RSA */ #endif /* !NO_RSA */
@@ -3463,7 +3460,7 @@ int SendTls13CertificateVerify(WOLFSSL* ssl)
} }
/* Add signature length. */ /* Add signature length. */
c16toa(args->keySz, args->verify + HASH_SIG_SIZE); c16toa(args->length, args->verify + HASH_SIG_SIZE);
/* Advance state and proceed */ /* Advance state and proceed */
ssl->options.asyncState = TLS_ASYNC_VERIFY; ssl->options.asyncState = TLS_ASYNC_VERIFY;
@@ -3477,18 +3474,19 @@ int SendTls13CertificateVerify(WOLFSSL* ssl)
#ifndef NO_RSA #ifndef NO_RSA
if (ssl->hsType == DYNAMIC_TYPE_RSA) { if (ssl->hsType == DYNAMIC_TYPE_RSA) {
if (args->verifySig == NULL) { if (args->verifySig == NULL) {
args->verifySig = (byte*)XMALLOC(args->sigSz, ssl->heap, args->verifySig = (byte*)XMALLOC(args->sigLen, ssl->heap,
DYNAMIC_TYPE_TMP_BUFFER); DYNAMIC_TYPE_TMP_BUFFER);
if (args->verifySig == NULL) { if (args->verifySig == NULL) {
ERROR_OUT(MEMORY_E, exit_scv); ERROR_OUT(MEMORY_E, exit_scv);
} }
XMEMCPY(args->verifySig, args->verify + HASH_SIG_SIZE + VERIFY_HEADER, XMEMCPY(args->verifySig,
args->sigSz); args->verify + HASH_SIG_SIZE + VERIFY_HEADER,
args->sigLen);
} }
/* check for signature faults */ /* check for signature faults */
ret = VerifyRsaSign(ssl, args->verifySig, args->sigSz, ret = VerifyRsaSign(ssl, args->verifySig, args->sigLen,
ssl->buffers.sig.buffer, ssl->buffers.sig.length, (RsaKey*)ssl->hsKey); sig->buffer, sig->length, (RsaKey*)ssl->hsKey);
} }
#endif /* !NO_RSA */ #endif /* !NO_RSA */
@@ -3504,10 +3502,10 @@ int SendTls13CertificateVerify(WOLFSSL* ssl)
case TLS_ASYNC_FINALIZE: case TLS_ASYNC_FINALIZE:
{ {
/* Put the record and handshake headers on. */ /* Put the record and handshake headers on. */
AddTls13Headers(args->output, args->keySz + HASH_SIG_SIZE + VERIFY_HEADER, AddTls13Headers(args->output, args->length + HASH_SIG_SIZE + VERIFY_HEADER,
certificate_verify, ssl); certificate_verify, ssl);
args->sendSz = RECORD_HEADER_SZ + HANDSHAKE_HEADER_SZ + args->keySz + args->sendSz = RECORD_HEADER_SZ + HANDSHAKE_HEADER_SZ + args->length +
HASH_SIG_SIZE + VERIFY_HEADER; HASH_SIG_SIZE + VERIFY_HEADER;
/* This message is always encrypted. */ /* This message is always encrypted. */
@@ -4339,6 +4337,29 @@ static int DoTls13Certificate(WOLFSSL* ssl, byte* input, word32* inOutIdx,
} }
#if !defined(NO_RSA) || defined(HAVE_ECC) #if !defined(NO_RSA) || defined(HAVE_ECC)
typedef struct Dcv13Args {
byte* output; /* not allocated */
word32 sendSz;
word16 sz;
word32 sigSz;
word32 idx;
word32 begin;
byte hashAlgo;
byte sigAlgo;
byte sigData[MAX_SIG_DATA_SZ];
word16 sigDataSz;
} Dcv13Args;
static void FreeDcv13Args(WOLFSSL* ssl, void* pArgs)
{
Dcv13Args* args = (Dcv13Args*)pArgs;
(void)ssl;
(void)args;
}
/* Parse and handle a TLS v1.3 CertificateVerify message. /* Parse and handle a TLS v1.3 CertificateVerify message.
* *
* ssl The SSL/TLS object. * ssl The SSL/TLS object.
@@ -4353,52 +4374,38 @@ static int DoTls13CertificateVerify(WOLFSSL* ssl, byte* input,
word32* inOutIdx, word32 totalSz) word32* inOutIdx, word32 totalSz)
{ {
int ret = 0; int ret = 0;
byte* output = NULL;
word32 sendSz = 0;
word16 sz = 0;
byte hashAlgo = sha_mac;
byte sigAlgo = anonymous_sa_algo;
word32 idx = *inOutIdx, begin = *inOutIdx;
buffer* sig = &ssl->buffers.sig; buffer* sig = &ssl->buffers.sig;
#ifdef WOLFSSL_ASYNC_CRYPT
Dcv13Args* args = (Dcv13Args*)ssl->async.args;
typedef char args_test[sizeof(ssl->async.args) >= sizeof(*args) ? 1 : -1];
(void)sizeof(args_test);
#else
Dcv13Args args[1];
#endif
WOLFSSL_ENTER("DoTls13CertificateVerify"); WOLFSSL_ENTER("DoTls13CertificateVerify");
(void)output;
(void)sendSz;
#ifdef WOLFSSL_ASYNC_CRYPT #ifdef WOLFSSL_ASYNC_CRYPT
ret = wolfAsync_EventPop(&ssl->event, WOLF_EVENT_TYPE_ASYNC_ANY); ret = wolfSSL_AsyncPop(ssl, &ssl->options.asyncState);
if (ret != WC_NOT_PENDING_E) { if (ret != WC_NOT_PENDING_E) {
WOLF_EVENT_TYPE eType = ssl->event.type;
/* Clear event */
XMEMSET(&ssl->event, 0, sizeof(ssl->event));
/* Check for error */ /* Check for error */
if (ret < 0) { if (ret < 0)
goto exit_dcv; goto exit_dcv;
} }
else {
/* Restore variables needed for async */
output = ssl->async.output;
sendSz = ssl->async.sendSz;
idx = ssl->async.idx;
sz = ssl->async.length;
sigAlgo = ssl->async.sigAlgo;
hashAlgo = ssl->async.hashAlgo;
/* Advance key share state if not wolfCrypt */
if (eType == WOLF_EVENT_TYPE_ASYNC_WOLFSSL) {
ssl->options.asyncState++;
}
}
}
else else
#endif #endif
{ {
/* Reset state */ /* Reset state */
ret = 0; ret = 0;
ssl->options.asyncState = TLS_ASYNC_BEGIN; ssl->options.asyncState = TLS_ASYNC_BEGIN;
XMEMSET(args, 0, sizeof(Dcv13Args));
args->hashAlgo = sha_mac;
args->sigAlgo = anonymous_sa_algo;
args->idx = *inOutIdx;
args->begin = *inOutIdx;
#ifdef WOLFSSL_ASYNC_CRYPT
ssl->async.freeArgs = FreeDcv13Args;
#endif
} }
switch(ssl->options.asyncState) switch(ssl->options.asyncState)
@@ -4419,30 +4426,30 @@ static int DoTls13CertificateVerify(WOLFSSL* ssl, byte* input,
case TLS_ASYNC_BUILD: case TLS_ASYNC_BUILD:
{ {
/* Signature algorithm. */ /* Signature algorithm. */
if ((idx - begin) + ENUM_LEN + ENUM_LEN > totalSz) { if ((args->idx - args->begin) + ENUM_LEN + ENUM_LEN > totalSz) {
ERROR_OUT(BUFFER_ERROR, exit_dcv); ERROR_OUT(BUFFER_ERROR, exit_dcv);
} }
DecodeSigAlg(input + idx, &hashAlgo, &sigAlgo); DecodeSigAlg(input + args->idx, &args->hashAlgo, &args->sigAlgo);
idx += OPAQUE16_LEN; args->idx += OPAQUE16_LEN;
/* TODO: [TLS13] was it in SignatureAlgorithms extension? */ /* TODO: [TLS13] was it in SignatureAlgorithms extension? */
/* Signature length. */ /* Signature length. */
if ((idx - begin) + OPAQUE16_LEN > totalSz) { if ((args->idx - args->begin) + OPAQUE16_LEN > totalSz) {
ERROR_OUT(BUFFER_ERROR, exit_dcv); ERROR_OUT(BUFFER_ERROR, exit_dcv);
} }
ato16(input + idx, &sz); ato16(input + args->idx, &args->sz);
idx += OPAQUE16_LEN; args->idx += OPAQUE16_LEN;
/* Signature data. */ /* Signature data. */
if ((idx - begin) + sz > totalSz || sz > ENCRYPT_LEN) { if ((args->idx - args->begin) + args->sz > totalSz || args->sz > ENCRYPT_LEN) {
ERROR_OUT(BUFFER_ERROR, exit_dcv); ERROR_OUT(BUFFER_ERROR, exit_dcv);
} }
/* Check for public key of required type. */ /* Check for public key of required type. */
if (sigAlgo == ecc_dsa_sa_algo && !ssl->peerEccDsaKeyPresent) { if (args->sigAlgo == ecc_dsa_sa_algo && !ssl->peerEccDsaKeyPresent) {
WOLFSSL_MSG("Oops, peer sent ECC key but not in verify"); WOLFSSL_MSG("Oops, peer sent ECC key but not in verify");
} }
if (sigAlgo == rsa_sa_algo && if (args->sigAlgo == rsa_sa_algo &&
(ssl->peerRsaKey == NULL || !ssl->peerRsaKeyPresent)) { (ssl->peerRsaKey == NULL || !ssl->peerRsaKeyPresent)) {
WOLFSSL_MSG("Oops, peer sent RSA key but not in verify"); WOLFSSL_MSG("Oops, peer sent RSA key but not in verify");
} }
@@ -4453,17 +4460,17 @@ static int DoTls13CertificateVerify(WOLFSSL* ssl, byte* input,
case TLS_ASYNC_DO: case TLS_ASYNC_DO:
{ {
sig->buffer = XMALLOC(sz, NULL, DYNAMIC_TYPE_TMP_BUFFER); sig->buffer = XMALLOC(args->sz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (sig->buffer == NULL) if (sig->buffer == NULL)
ERROR_OUT(MEMORY_E, exit_dcv); ERROR_OUT(MEMORY_E, exit_dcv);
sig->length = sz; sig->length = args->sz;
XMEMCPY(sig->buffer, input + idx, sz); XMEMCPY(sig->buffer, input + args->idx, args->sz);
#ifndef NO_RSA #ifndef NO_RSA
if (ssl->peerRsaKey != NULL && ssl->peerRsaKeyPresent) { if (ssl->peerRsaKey != NULL && ssl->peerRsaKeyPresent) {
WOLFSSL_MSG("Doing RSA peer cert verify"); WOLFSSL_MSG("Doing RSA peer cert verify");
ret = RsaVerify(ssl, sig->buffer, sig->length, &output, ret = RsaVerify(ssl, sig->buffer, sig->length, &args->output,
ssl->peerRsaKey, ssl->peerRsaKey,
#ifdef HAVE_PK_CALLBACKS #ifdef HAVE_PK_CALLBACKS
ssl->buffers.peerRsaKey.buffer, ssl->buffers.peerRsaKey.buffer,
@@ -4474,21 +4481,19 @@ static int DoTls13CertificateVerify(WOLFSSL* ssl, byte* input,
#endif #endif
); );
if (ret >= 0) { if (ret >= 0) {
sendSz = ret; args->sendSz = ret;
ret = 0; ret = 0;
} }
} }
#endif /* !NO_RSA */ #endif /* !NO_RSA */
#ifdef HAVE_ECC #ifdef HAVE_ECC
if (ssl->peerEccDsaKeyPresent) { if (ssl->peerEccDsaKeyPresent) {
byte sigData[MAX_SIG_DATA_SZ];
word16 sigDataSz;
WOLFSSL_MSG("Doing ECC peer cert verify"); WOLFSSL_MSG("Doing ECC peer cert verify");
CreateSigData(ssl, sigData, &sigDataSz, 1); CreateSigData(ssl, args->sigData, &args->sigDataSz, 1);
ret = EccVerify(ssl, input + idx, sz, sigData, sigDataSz, ret = EccVerify(ssl, input + args->idx, args->sz,
args->sigData, args->sigDataSz,
ssl->peerEccDsaKey, ssl->peerEccDsaKey,
#ifdef HAVE_PK_CALLBACKS #ifdef HAVE_PK_CALLBACKS
ssl->buffers.peerEccDsaKey.buffer, ssl->buffers.peerEccDsaKey.buffer,
@@ -4514,7 +4519,7 @@ static int DoTls13CertificateVerify(WOLFSSL* ssl, byte* input,
{ {
#ifndef NO_RSA #ifndef NO_RSA
if (ssl->peerRsaKey != NULL && ssl->peerRsaKeyPresent != 0) { if (ssl->peerRsaKey != NULL && ssl->peerRsaKeyPresent != 0) {
ret = CheckRSASignature(ssl, hashAlgo, output, sendSz); ret = CheckRSASignature(ssl, args->hashAlgo, args->output, args->sendSz);
if (ret != 0) if (ret != 0)
goto exit_dcv; goto exit_dcv;
} }
@@ -4529,8 +4534,8 @@ static int DoTls13CertificateVerify(WOLFSSL* ssl, byte* input,
ssl->options.havePeerVerify = 1; ssl->options.havePeerVerify = 1;
/* Set final index */ /* Set final index */
idx += sz; args->idx += args->sz;
*inOutIdx = idx; *inOutIdx = args->idx;
/* Encryption is always on: add padding */ /* Encryption is always on: add padding */
*inOutIdx += ssl->keys.padSz; *inOutIdx += ssl->keys.padSz;
@@ -4551,33 +4556,18 @@ exit_dcv:
WOLFSSL_LEAVE("DoTls13CertificateVerify", ret); WOLFSSL_LEAVE("DoTls13CertificateVerify", ret);
/* Handle cleanup for stack variables here */
#ifdef WOLFSSL_ASYNC_CRYPT #ifdef WOLFSSL_ASYNC_CRYPT
/* Handle WC_PENDING_E */ /* Handle async operation */
if (ret == WC_PENDING_E) { if (ret == WC_PENDING_E) {
/* Store variables needed for async */
XMEMSET(&ssl->async, 0, sizeof(ssl->async));
ssl->async.output = output;
ssl->async.sendSz = sendSz;
ssl->async.idx = idx;
ssl->async.length = sz;
ssl->async.sigAlgo = sigAlgo;
ssl->async.hashAlgo = hashAlgo;
/* Mark message as not recevied so it can process again */ /* Mark message as not recevied so it can process again */
ssl->msgsReceived.got_certificate_verify = 0; ssl->msgsReceived.got_certificate_verify = 0;
/* Push event to queue */ return ret;
ret = wolfAsync_EventQueuePush(&ssl->ctx->event_queue, &ssl->event);
if (ret == 0) {
return WC_PENDING_E;
}
} }
#endif /* WOLFSSL_ASYNC_CRYPT */ #endif /* WOLFSSL_ASYNC_CRYPT */
/* Final cleanup */ /* Final cleanup */
FreeDcv13Args(ssl, args);
FreeKeyExchange(ssl); FreeKeyExchange(ssl);
return ret; return ret;
@@ -5393,10 +5383,12 @@ int DoTls13HandShakeMsgType(WOLFSSL* ssl, byte* input, word32* inOutIdx,
#endif #endif
} }
#ifdef WOLFSSL_ASYNC_CRYPT
/* if async, offset index so this msg will be processed again */ /* if async, offset index so this msg will be processed again */
if (ret == WC_PENDING_E) { if (ret == WC_PENDING_E) {
*inOutIdx -= HANDSHAKE_HEADER_SZ; *inOutIdx -= HANDSHAKE_HEADER_SZ;
} }
#endif
WOLFSSL_LEAVE("DoTls13HandShakeMsgType()", ret); WOLFSSL_LEAVE("DoTls13HandShakeMsgType()", ret);
return ret; return ret;