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Merge pull request #413 from dgarske/cryptocb_hmac 

Improve TLS crypto callback examples
pull/417/head
Sean Parkinson 2024-01-11 11:39:11 +10:00 committed by GitHub
parent 005d883671 ab0d633d5b
commit 6a34cb5d0c
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
17 changed files with 953 additions and 431 deletions
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4
.gitignore vendored
View File

@ -73,6 +73,7 @@ android/wolfssljni-ndk-sample/proguard-project.txt
/psk/server-psk /psk/server-psk
/psk/server-tcp /psk/server-tcp
/tls/client-async
/tls/client-tcp /tls/client-tcp
/tls/client-tls /tls/client-tls
/tls/client-tls13 /tls/client-tls13
@ -80,6 +81,7 @@ android/wolfssljni-ndk-sample/proguard-project.txt
/tls/client-tls-bio /tls/client-tls-bio
/tls/client-tls-cacb /tls/client-tls-cacb
/tls/client-tls-callback /tls/client-tls-callback
/tls/client-tls-cryptocb
/tls/client-tls-ecdhe /tls/client-tls-ecdhe
/tls/client-tls-nonblocking /tls/client-tls-nonblocking
/tls/client-tls-perf /tls/client-tls-perf
@ -89,10 +91,12 @@ android/wolfssljni-ndk-sample/proguard-project.txt
/tls/memory-tls /tls/memory-tls
/tls/server-async
/tls/server-tcp /tls/server-tcp
/tls/server-tls /tls/server-tls
/tls/server-tls13 /tls/server-tls13
/tls/server-tls-callback /tls/server-tls-callback
/tls/server-tls-cryptocb
/tls/server-tls-ecdhe /tls/server-tls-ecdhe
/tls/server-tls-epoll-perf /tls/server-tls-epoll-perf
/tls/server-tls-epoll-threaded /tls/server-tls-epoll-threaded

12
tls/Makefile
View File

@ -10,6 +10,7 @@ STATIC_LIB = $(LIB_PATH)/lib/libwolfssl.a
DEBUG_FLAGS = -g -DDEBUG DEBUG_FLAGS = -g -DDEBUG
DEBUG_INC_PATHS = -MD DEBUG_INC_PATHS = -MD
OPTIMIZE = -Os OPTIMIZE = -Os
DEPS =
# Options # Options
#CFLAGS+=$(DEBUG_FLAGS) #CFLAGS+=$(DEBUG_FLAGS)
@ -19,9 +20,14 @@ CFLAGS+=$(OPTIMIZE)
#LIBS+=$(STATIC_LIB) #LIBS+=$(STATIC_LIB)
LIBS+=$(DYN_LIB) LIBS+=$(DYN_LIB)
# Openssl Option
#CFLAGS+=-DUSE_OPENSSL
#LIBS+=-lcrypto
# build targets # build targets
SRC=$(wildcard *.c) SRC=$(wildcard *.c)
TARGETS=$(patsubst %.c, %, $(SRC)) IGNORE_FILES=cryptocb-common
TARGETS=$(filter-out $(IGNORE_FILES), $(patsubst %.c, %, $(SRC)))
LINUX_SPECIFIC=client-tls-perf \ LINUX_SPECIFIC=client-tls-perf \
server-tls-poll-perf \ server-tls-poll-perf \
server-tls-epoll-perf \ server-tls-epoll-perf \
@ -97,9 +103,11 @@ memory-tls: CFLAGS+=-pthread
# compile tcp examples without the LIBS variable # compile tcp examples without the LIBS variable
%-tcp: LIBS= %-tcp: LIBS=
%-cryptocb: DEPS+=cryptocb-common.c
# build template # build template
%: %.c %: %.c
$(CC) -o $@ $< $(CFLAGS) $(LIBS) $(CC) -o $@ $(DEPS) $< $(CFLAGS) $(LIBS)
clean: clean:
rm -f $(TARGETS) rm -f $(TARGETS)

4
tls/client-tls-cacb.c
View File

@ -97,7 +97,7 @@ static void CaCb(unsigned char* der, int sz, int type)
} }
ret = wolfSSL_X509_get_serial_number(x509, serial, &sz); ret = wolfSSL_X509_get_serial_number(x509, serial, &sz);
if (ret == SSL_SUCCESS) { if (ret == WOLFSSL_SUCCESS) {
int i; int i;
int strLen; int strLen;
char serialMsg[80]; char serialMsg[80];
@ -155,7 +155,7 @@ int Security(int sock)
wolfSSL_set_fd(ssl, sock); wolfSSL_set_fd(ssl, sock);
ret = wolfSSL_connect(ssl); ret = wolfSSL_connect(ssl);
if (ret == SSL_SUCCESS) { if (ret == WOLFSSL_SUCCESS) {
ret = ClientGreet(sock, ssl); ret = ClientGreet(sock, ssl);
} }

467
tls/client-tls-cryptocb.c
View File

@ -31,374 +31,51 @@
#include <unistd.h> #include <unistd.h>
/* wolfSSL */ /* wolfSSL */
#ifndef WOLFSSL_USER_SETTINGS
#include <wolfssl/options.h> #include <wolfssl/options.h>
#endif
#include <wolfssl/ssl.h> #include <wolfssl/ssl.h>
#include <wolfssl/wolfcrypt/sha256.h> #include <wolfssl/wolfcrypt/sha256.h>
#include <wolfssl/wolfcrypt/cryptocb.h> #include <wolfssl/wolfcrypt/cryptocb.h>
#include <wolfssl/wolfcrypt/error-crypt.h> #include <wolfssl/wolfcrypt/error-crypt.h>
#include "cryptocb-common.h"
#define DEFAULT_PORT 11111 #define DEFAULT_PORT 11111
#define USE_ECDHE_ECDSA
#define USE_TLSV13
#ifdef USE_ECDHE_ECDSA
#define CERT_FILE "../certs/client-ecc-cert.pem"
#define KEY_FILE "../certs/ecc-client-key.pem"
#define CA_FILE "../certs/ca-ecc-cert.pem"
#else
#define CERT_FILE "../certs/client-cert.pem"
#define KEY_FILE "../certs/client-key.pem"
#define CA_FILE "../certs/ca-cert.pem" #define CA_FILE "../certs/ca-cert.pem"
#ifdef WOLF_CRYPTO_CB
/* Example custom context for crypto callback */
typedef struct {
int exampleVar; /* example, not used */
} myCryptoCbCtx;
static void error_out(char* msg, int err)
{
printf("Failed at %s with code %d\n", msg, err);
exit(1);
}
/* Example crypto dev callback function that calls software version */
/* This is where you would plug-in calls to your own hardware crypto */
static int myCryptoCb(int devIdArg, wc_CryptoInfo* info, void* ctx)
{
int ret = CRYPTOCB_UNAVAILABLE; /* return this to bypass HW and use SW */
myCryptoCbCtx* myCtx = (myCryptoCbCtx*)ctx;
if (info == NULL)
return BAD_FUNC_ARG;
#ifdef DEBUG_CRYPTOCB
wc_CryptoCb_InfoString(info);
#endif #endif
if (info->algo_type == WC_ALGO_TYPE_RNG) {
#ifndef WC_NO_RNG
/* set devId to invalid, so software is used */
info->rng.rng->devId = INVALID_DEVID;
ret = wc_RNG_GenerateBlock(info->rng.rng,
info->rng.out, info->rng.sz);
/* reset devId */
info->rng.rng->devId = devIdArg;
#endif
}
else if (info->algo_type == WC_ALGO_TYPE_SEED) {
#ifndef WC_NO_RNG
static byte seed[sizeof(word32)] = { 0x00, 0x00, 0x00, 0x01 };
word32* seedWord32 = (word32*)seed;
word32 len;
/* wc_GenerateSeed is a local symbol so we need to fake the entropy. */
while (info->seed.sz > 0) {
len = (word32)sizeof(seed);
if (info->seed.sz < len)
len = info->seed.sz;
XMEMCPY(info->seed.seed, seed, sizeof(seed));
info->seed.seed += len;
info->seed.sz -= len;
(*seedWord32)++;
}
ret = 0;
#endif
}
else if (info->algo_type == WC_ALGO_TYPE_PK) {
#ifndef NO_RSA
if (info->pk.type == WC_PK_TYPE_RSA) {
/* set devId to invalid, so software is used */
info->pk.rsa.key->devId = INVALID_DEVID;
switch (info->pk.rsa.type) {
case RSA_PUBLIC_ENCRYPT:
case RSA_PUBLIC_DECRYPT:
/* perform software based RSA public op */
ret = wc_RsaFunction(
info->pk.rsa.in, info->pk.rsa.inLen,
info->pk.rsa.out, info->pk.rsa.outLen,
info->pk.rsa.type, info->pk.rsa.key, info->pk.rsa.rng);
break;
case RSA_PRIVATE_ENCRYPT:
case RSA_PRIVATE_DECRYPT:
/* perform software based RSA private op */
ret = wc_RsaFunction(
info->pk.rsa.in, info->pk.rsa.inLen,
info->pk.rsa.out, info->pk.rsa.outLen,
info->pk.rsa.type, info->pk.rsa.key, info->pk.rsa.rng);
break;
}
/* reset devId */
info->pk.rsa.key->devId = devIdArg;
}
#ifdef WOLFSSL_KEY_GEN
else if (info->pk.type == WC_PK_TYPE_RSA_KEYGEN) {
info->pk.rsakg.key->devId = INVALID_DEVID;
ret = wc_MakeRsaKey(info->pk.rsakg.key, info->pk.rsakg.size,
info->pk.rsakg.e, info->pk.rsakg.rng);
/* reset devId */
info->pk.rsakg.key->devId = devIdArg;
}
#endif
#endif /* !NO_RSA */
#ifdef HAVE_ECC
if (info->pk.type == WC_PK_TYPE_EC_KEYGEN) {
/* set devId to invalid, so software is used */
info->pk.eckg.key->devId = INVALID_DEVID;
ret = wc_ecc_make_key_ex(info->pk.eckg.rng, info->pk.eckg.size,
info->pk.eckg.key, info->pk.eckg.curveId);
/* reset devId */
info->pk.eckg.key->devId = devIdArg;
}
else if (info->pk.type == WC_PK_TYPE_ECDSA_SIGN) {
/* set devId to invalid, so software is used */
info->pk.eccsign.key->devId = INVALID_DEVID;
ret = wc_ecc_sign_hash(
info->pk.eccsign.in, info->pk.eccsign.inlen,
info->pk.eccsign.out, info->pk.eccsign.outlen,
info->pk.eccsign.rng, info->pk.eccsign.key);
/* reset devId */
info->pk.eccsign.key->devId = devIdArg;
}
else if (info->pk.type == WC_PK_TYPE_ECDSA_VERIFY) {
/* set devId to invalid, so software is used */
info->pk.eccverify.key->devId = INVALID_DEVID;
ret = wc_ecc_verify_hash(
info->pk.eccverify.sig, info->pk.eccverify.siglen,
info->pk.eccverify.hash, info->pk.eccverify.hashlen,
info->pk.eccverify.res, info->pk.eccverify.key);
/* reset devId */
info->pk.eccverify.key->devId = devIdArg;
}
else if (info->pk.type == WC_PK_TYPE_ECDH) {
/* set devId to invalid, so software is used */
info->pk.ecdh.private_key->devId = INVALID_DEVID;
ret = wc_ecc_shared_secret(
info->pk.ecdh.private_key, info->pk.ecdh.public_key,
info->pk.ecdh.out, info->pk.ecdh.outlen);
/* reset devId */
info->pk.ecdh.private_key->devId = devIdArg;
}
#endif /* HAVE_ECC */
}
else if (info->algo_type == WC_ALGO_TYPE_CIPHER) {
#if !defined(NO_AES) || !defined(NO_DES3)
#ifdef HAVE_AESGCM
if (info->cipher.type == WC_CIPHER_AES_GCM) {
if (info->cipher.enc) {
/* set devId to invalid, so software is used */
info->cipher.aesgcm_enc.aes->devId = INVALID_DEVID;
ret = wc_AesGcmEncrypt(
info->cipher.aesgcm_enc.aes,
info->cipher.aesgcm_enc.out,
info->cipher.aesgcm_enc.in,
info->cipher.aesgcm_enc.sz,
info->cipher.aesgcm_enc.iv,
info->cipher.aesgcm_enc.ivSz,
info->cipher.aesgcm_enc.authTag,
info->cipher.aesgcm_enc.authTagSz,
info->cipher.aesgcm_enc.authIn,
info->cipher.aesgcm_enc.authInSz);
/* reset devId */
info->cipher.aesgcm_enc.aes->devId = devIdArg;
}
else {
/* set devId to invalid, so software is used */
info->cipher.aesgcm_dec.aes->devId = INVALID_DEVID;
ret = wc_AesGcmDecrypt(
info->cipher.aesgcm_dec.aes,
info->cipher.aesgcm_dec.out,
info->cipher.aesgcm_dec.in,
info->cipher.aesgcm_dec.sz,
info->cipher.aesgcm_dec.iv,
info->cipher.aesgcm_dec.ivSz,
info->cipher.aesgcm_dec.authTag,
info->cipher.aesgcm_dec.authTagSz,
info->cipher.aesgcm_dec.authIn,
info->cipher.aesgcm_dec.authInSz);
/* reset devId */
info->cipher.aesgcm_dec.aes->devId = devIdArg;
}
}
#endif /* HAVE_AESGCM */
#ifdef HAVE_AES_CBC
if (info->cipher.type == WC_CIPHER_AES_CBC) {
if (info->cipher.enc) {
/* set devId to invalid, so software is used */
info->cipher.aescbc.aes->devId = INVALID_DEVID;
ret = wc_AesCbcEncrypt(
info->cipher.aescbc.aes,
info->cipher.aescbc.out,
info->cipher.aescbc.in,
info->cipher.aescbc.sz);
/* reset devId */
info->cipher.aescbc.aes->devId = devIdArg;
}
else {
/* set devId to invalid, so software is used */
info->cipher.aescbc.aes->devId = INVALID_DEVID;
ret = wc_AesCbcDecrypt(
info->cipher.aescbc.aes,
info->cipher.aescbc.out,
info->cipher.aescbc.in,
info->cipher.aescbc.sz);
/* reset devId */
info->cipher.aescbc.aes->devId = devIdArg;
}
}
#endif /* HAVE_AES_CBC */
#ifndef NO_DES3
if (info->cipher.type == WC_CIPHER_DES3) {
if (info->cipher.enc) {
/* set devId to invalid, so software is used */
info->cipher.des3.des->devId = INVALID_DEVID;
ret = wc_Des3_CbcEncrypt(
info->cipher.des3.des,
info->cipher.des3.out,
info->cipher.des3.in,
info->cipher.des3.sz);
/* reset devId */
info->cipher.des3.des->devId = devIdArg;
}
else {
/* set devId to invalid, so software is used */
info->cipher.des3.des->devId = INVALID_DEVID;
ret = wc_Des3_CbcDecrypt(
info->cipher.des3.des,
info->cipher.des3.out,
info->cipher.des3.in,
info->cipher.des3.sz);
/* reset devId */
info->cipher.des3.des->devId = devIdArg;
}
}
#endif /* !NO_DES3 */
#endif /* !NO_AES || !NO_DES3 */
}
else if (info->algo_type == WC_ALGO_TYPE_HASH) {
#if !defined(NO_SHA) || !defined(NO_SHA256)
#if !defined(NO_SHA)
if (info->hash.type == WC_HASH_TYPE_SHA) {
if (info->hash.sha1 == NULL)
return CRYPTOCB_UNAVAILABLE;
/* set devId to invalid, so software is used */
info->hash.sha1->devId = INVALID_DEVID;
if (info->hash.in != NULL) {
ret = wc_ShaUpdate(
info->hash.sha1,
info->hash.in,
info->hash.inSz);
}
if (info->hash.digest != NULL) {
ret = wc_ShaFinal(
info->hash.sha1,
info->hash.digest);
}
/* reset devId */
info->hash.sha1->devId = devIdArg;
}
else
#endif
#if !defined(NO_SHA256)
if (info->hash.type == WC_HASH_TYPE_SHA256) {
if (info->hash.sha256 == NULL)
return CRYPTOCB_UNAVAILABLE;
/* set devId to invalid, so software is used */
info->hash.sha256->devId = INVALID_DEVID;
if (info->hash.in != NULL) {
ret = wc_Sha256Update(
info->hash.sha256,
info->hash.in,
info->hash.inSz);
}
if (info->hash.digest != NULL) {
ret = wc_Sha256Final(
info->hash.sha256,
info->hash.digest);
}
/* reset devId */
info->hash.sha256->devId = devIdArg;
}
else
#endif
{
}
#endif /* !NO_SHA || !NO_SHA256 */
}
else if (info->algo_type == WC_ALGO_TYPE_HMAC) {
#ifndef NO_HMAC
if (info->hmac.hmac == NULL)
return CRYPTOCB_UNAVAILABLE;
/* set devId to invalid, so software is used */
info->hmac.hmac->devId = INVALID_DEVID;
if (info->hash.in != NULL) {
ret = wc_HmacUpdate(
info->hmac.hmac,
info->hmac.in,
info->hmac.inSz);
}
else if (info->hash.digest != NULL) {
ret = wc_HmacFinal(
info->hmac.hmac,
info->hmac.digest);
}
/* reset devId */
info->hmac.hmac->devId = devIdArg;
#endif
}
(void)devIdArg;
(void)myCtx;
return ret;
}
#endif /* WOLF_CRYPTO_CB */
int main(int argc, char** argv) int main(int argc, char** argv)
{ {
int ret = 0; int ret = 0;
#ifdef WOLF_CRYPTO_CB #ifdef WOLF_CRYPTO_CB
int sockfd; int sockfd = SOCKET_INVALID;
struct sockaddr_in servAddr; struct sockaddr_in servAddr;
char buff[256]; char buff[256];
size_t len; size_t len;
/* declare wolfSSL objects */ /* declare wolfSSL objects */
WOLFSSL_CTX* ctx; WOLFSSL_CTX* ctx = NULL;
WOLFSSL* ssl; WOLFSSL* ssl = NULL;
WOLFSSL_CIPHER* cipher;
int devId = 1; /* anything besides -2 (INVALID_DEVID) */ int devId = 1; /* anything besides -2 (INVALID_DEVID) */
myCryptoCbCtx myCtx; myCryptoCbCtx myCtx;
/* example data for callback */ /* example data for callback */
memset(&myCtx, 0, sizeof(myCtx));
myCtx.exampleVar = 1; myCtx.exampleVar = 1;
/* Check for proper calling convention */ /* Check for proper calling convention */
@ -413,7 +90,7 @@ int main(int argc, char** argv)
if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) == -1) { if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
fprintf(stderr, "ERROR: failed to create the socket\n"); fprintf(stderr, "ERROR: failed to create the socket\n");
ret = -1; ret = -1;
goto end; goto exit;
} }
/* Initialize the server address struct with zeros */ /* Initialize the server address struct with zeros */
@ -427,74 +104,123 @@ int main(int argc, char** argv)
if (inet_pton(AF_INET, argv[1], &servAddr.sin_addr) != 1) { if (inet_pton(AF_INET, argv[1], &servAddr.sin_addr) != 1) {
fprintf(stderr, "ERROR: invalid address\n"); fprintf(stderr, "ERROR: invalid address\n");
ret = -1; ret = -1;
goto end; goto exit;
} }
/* Connect to the server */ /* Connect to the server */
if ((ret = connect(sockfd, (struct sockaddr*) &servAddr, sizeof(servAddr))) if ((ret = connect(sockfd, (struct sockaddr*) &servAddr, sizeof(servAddr)))
== -1) { == -1) {
fprintf(stderr, "ERROR: failed to connect\n"); fprintf(stderr, "ERROR: failed to connect\n");
goto end; goto exit;
} }
#if 0
wolfSSL_Debugging_ON();
#endif
/*---------------------------------*/ /*---------------------------------*/
/* Start of wolfSSL initialization and configuration */ /* Start of wolfSSL initialization and configuration */
/*---------------------------------*/ /*---------------------------------*/
/* Initialize wolfSSL */ /* Initialize wolfSSL */
if ((ret = wolfSSL_Init()) != WOLFSSL_SUCCESS) { if ((ret = wolfSSL_Init()) != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: Failed to initialize the library\n"); fprintf(stderr, "ERROR: Failed to initialize the library\n");
goto socket_cleanup; goto exit;
}
/* Create and initialize WOLFSSL_CTX */
if ((ctx = wolfSSL_CTX_new(wolfTLSv1_2_client_method())) == NULL) {
fprintf(stderr, "ERROR: failed to create WOLFSSL_CTX\n");
ret = -1;
goto socket_cleanup;
} }
/* register a devID for crypto callbacks */ /* register a devID for crypto callbacks */
ret = wc_CryptoCb_RegisterDevice(devId, myCryptoCb, &myCtx); ret = wc_CryptoCb_RegisterDevice(devId, myCryptoCb, &myCtx);
if (ret != 0) if (ret != 0) {
error_out("wc_CryptoCb_RegisterDevice", ret); fprintf(stderr, "ERROR: wc_CryptoCb_RegisterDevice failed %d\n", ret);
goto exit;
}
/* Create and initialize WOLFSSL_CTX */
#ifdef USE_TLSV13
ctx = wolfSSL_CTX_new(wolfTLSv1_3_client_method());
#else
ctx = wolfSSL_CTX_new(wolfTLSv1_2_client_method());
#endif
if (ctx == NULL) {
fprintf(stderr, "ERROR: failed to create WOLFSSL_CTX\n");
ret = -1;
goto exit;
}
/* Mutual Authentication */
/* Load client certificate into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_use_certificate_file(ctx, CERT_FILE,
WOLFSSL_FILETYPE_PEM)) != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
CERT_FILE);
goto exit;
}
/* Load client key into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_use_PrivateKey_file(ctx, KEY_FILE,
WOLFSSL_FILETYPE_PEM)) != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
KEY_FILE);
goto exit;
}
/* Load CA certificate into WOLFSSL_CTX for validating peer */
if ((ret = wolfSSL_CTX_load_verify_locations(ctx, CA_FILE, NULL))
!= WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
CA_FILE);
goto exit;
}
/* validate peer certificate */
wolfSSL_CTX_set_verify(ctx, WOLFSSL_VERIFY_PEER, NULL);
/* register a devID for crypto callbacks */ /* register a devID for crypto callbacks */
wolfSSL_CTX_SetDevId(ctx, devId); wolfSSL_CTX_SetDevId(ctx, devId);
#if 0
/* Examples: "TLS13-AES256-GCM-SHA384",
* "TLS13-AES128-GCM-SHA256" or
* "TLS13-CHACHA20-POLY1305-SHA256" */
wolfSSL_CTX_set_cipher_list(ctx, "TLS13-AES256-GCM-SHA384");
#endif
/* Load client certificates into WOLFSSL_CTX */ /* Load client certificates into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_load_verify_locations(ctx, CA_FILE, NULL)) if ((ret = wolfSSL_CTX_load_verify_locations(ctx, CA_FILE, NULL))
!= SSL_SUCCESS) { != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n", fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
CA_FILE); CA_FILE);
goto ctx_cleanup; goto exit;
} }
/* Create a WOLFSSL object */ /* Create a WOLFSSL object */
if ((ssl = wolfSSL_new(ctx)) == NULL) { if ((ssl = wolfSSL_new(ctx)) == NULL) {
fprintf(stderr, "ERROR: failed to create WOLFSSL object\n"); fprintf(stderr, "ERROR: failed to create WOLFSSL object\n");
ret = -1; ret = -1;
goto ctx_cleanup; goto exit;
} }
/* Attach wolfSSL to the socket */ /* Attach wolfSSL to the socket */
if ((ret = wolfSSL_set_fd(ssl, sockfd)) != WOLFSSL_SUCCESS) { if ((ret = wolfSSL_set_fd(ssl, sockfd)) != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: Failed to set the file descriptor\n"); fprintf(stderr, "ERROR: Failed to set the file descriptor\n");
goto cleanup; goto exit;
} }
/* Connect to wolfSSL on the server side */ /* Connect to wolfSSL on the server side */
if ((ret = wolfSSL_connect(ssl)) != SSL_SUCCESS) { if ((ret = wolfSSL_connect(ssl)) != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to connect to wolfSSL\n"); fprintf(stderr, "ERROR: failed to connect to wolfSSL\n");
goto cleanup; goto exit;
} }
cipher = wolfSSL_get_current_cipher(ssl);
printf("SSL cipher suite is %s\n", wolfSSL_CIPHER_get_name(cipher));
/* Get a message for the server from stdin */ /* Get a message for the server from stdin */
printf("Message for server: "); printf("Message for server: ");
memset(buff, 0, sizeof(buff)); memset(buff, 0, sizeof(buff));
if (fgets(buff, sizeof(buff), stdin) == NULL) { if (fgets(buff, sizeof(buff), stdin) == NULL) {
fprintf(stderr, "ERROR: failed to get message for server\n"); fprintf(stderr, "ERROR: failed to get message for server\n");
ret = -1; ret = -1;
goto cleanup; goto exit;
} }
len = strnlen(buff, sizeof(buff)); len = strnlen(buff, sizeof(buff));
@ -502,33 +228,32 @@ int main(int argc, char** argv)
if ((ret = wolfSSL_write(ssl, buff, len)) != len) { if ((ret = wolfSSL_write(ssl, buff, len)) != len) {
fprintf(stderr, "ERROR: failed to write entire message\n"); fprintf(stderr, "ERROR: failed to write entire message\n");
fprintf(stderr, "%d bytes of %d bytes were sent", ret, (int) len); fprintf(stderr, "%d bytes of %d bytes were sent", ret, (int) len);
goto cleanup; goto exit;
} }
/* Read the server data into our buff array */ /* Read the server data into our buff array */
memset(buff, 0, sizeof(buff)); memset(buff, 0, sizeof(buff));
if ((ret = wolfSSL_read(ssl, buff, sizeof(buff)-1)) == -1) { if ((ret = wolfSSL_read(ssl, buff, sizeof(buff)-1)) == -1) {
fprintf(stderr, "ERROR: failed to read\n"); fprintf(stderr, "ERROR: failed to read\n");
goto cleanup; goto exit;
} }
/* Print to stdout any data the server sends */ /* Print to stdout any data the server sends */
printf("Server: %s\n", buff); printf("Server: %s\n", buff);
ret = 0; ret = 0; /* return success */
exit:
/* Cleanup and return */ /* Cleanup and return */
cleanup:
wolfSSL_free(ssl); /* Free the wolfSSL object */ wolfSSL_free(ssl); /* Free the wolfSSL object */
ctx_cleanup: if (sockfd != SOCKET_INVALID)
close(sockfd); /* Close the connection to the server */
wolfSSL_CTX_free(ctx); /* Free the wolfSSL context object */ wolfSSL_CTX_free(ctx); /* Free the wolfSSL context object */
wolfSSL_Cleanup(); /* Cleanup the wolfSSL environment */ wolfSSL_Cleanup(); /* Cleanup the wolfSSL environment */
socket_cleanup:
close(sockfd); /* Close the connection to the server */
end:
#else #else
printf("Please configure wolfSSL with --enable-cryptocb and try again\n"); printf("Please configure wolfSSL with --enable-cryptocb and try again\n");
#endif /* WOLF_CRYPTO_CB */ #endif /* WOLF_CRYPTO_CB */
return ret; /* Return reporting a success */
return ret;
} }

2
tls/client-tls-ecdhe.c
View File

@ -106,7 +106,7 @@ int main(int argc, char** argv)
} }
/* Load client ecc key into WOLFSSL_CTX */ /* Load client ecc key into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_use_PrivateKey_file(ctx, KEY_FILE, SSL_FILETYPE_PEM)) if ((ret = wolfSSL_CTX_use_PrivateKey_file(ctx, KEY_FILE, WOLFSSL_FILETYPE_PEM))
!= WOLFSSL_SUCCESS) { != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n", fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
KEY_FILE); KEY_FILE);

2
tls/client-tls-uart.c
View File

@ -206,7 +206,7 @@ int main(int argc, char** argv)
wolfSSL_CTX_SetIORecv(ctx, uartIORx); wolfSSL_CTX_SetIORecv(ctx, uartIORx);
/* For testing disable peer cert verification */ /* For testing disable peer cert verification */
wolfSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, NULL); wolfSSL_CTX_set_verify(ctx, WOLFSSL_VERIFY_NONE, NULL);
ssl = wolfSSL_new(ctx); ssl = wolfSSL_new(ctx);
if (ssl == NULL) { if (ssl == NULL) {

6
tls/client-tls.c
View File

@ -108,7 +108,7 @@ int main(int argc, char** argv)
/* Load client certificates into WOLFSSL_CTX */ /* Load client certificates into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_load_verify_locations(ctx, CERT_FILE, NULL)) if ((ret = wolfSSL_CTX_load_verify_locations(ctx, CERT_FILE, NULL))
!= SSL_SUCCESS) { != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n", fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
CERT_FILE); CERT_FILE);
goto ctx_cleanup; goto ctx_cleanup;
@ -128,7 +128,7 @@ int main(int argc, char** argv)
} }
/* Connect to wolfSSL on the server side */ /* Connect to wolfSSL on the server side */
if ((ret = wolfSSL_connect(ssl)) != SSL_SUCCESS) { if ((ret = wolfSSL_connect(ssl)) != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to connect to wolfSSL\n"); fprintf(stderr, "ERROR: failed to connect to wolfSSL\n");
goto cleanup; goto cleanup;
} }
@ -161,7 +161,7 @@ int main(int argc, char** argv)
printf("Server: %s\n", buff); printf("Server: %s\n", buff);
/* Bidirectional shutdown */ /* Bidirectional shutdown */
while (wolfSSL_shutdown(ssl) == SSL_SHUTDOWN_NOT_DONE) { while (wolfSSL_shutdown(ssl) == WOLFSSL_SHUTDOWN_NOT_DONE) {
printf("Shutdown not complete\n"); printf("Shutdown not complete\n");
} }

452
tls/cryptocb-common.c 100644
View File

@ -0,0 +1,452 @@
/* crypto-common.c
*
* Copyright (C) 2006-2024 wolfSSL Inc.
*
* This file is part of wolfSSL. (formerly known as CyaSSL)
*
* 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 02110-1301, USA
*/
#include "cryptocb-common.h"
#ifdef WOLF_CRYPTO_CB
typedef struct {
word32 bufSz;
} hash_ctx_t;
#ifdef USE_OPENSSL
#include <openssl/sha.h>
#endif
/* type: WC_HASH_TYPE_SHA, WC_HASH_TYPE_SHA256, WC_HASH_TYPE_SHA384, etc */
/* in: Update (when not NULL) / Final (when NULL) */
static int cb_hash(int type, const byte* in, word32 inSz, byte* digest,
void* shactx, void** devCtx, word32 flags)
{
int ret = 0;
enum wc_HashType hash_type = (enum wc_HashType)type;
hash_ctx_t* ctx = (hash_ctx_t*)*devCtx;
byte* hashBuf = NULL;
word32 hashBufSz = 0;
/* for updates alloc/realloc and copy */
if (in != NULL) {
if (ctx == NULL) {
ctx = (hash_ctx_t*)malloc(sizeof(hash_ctx_t) + hashBufSz + inSz);
}
else {
hashBufSz = ctx->bufSz;
ctx = (hash_ctx_t*)realloc(ctx, sizeof(hash_ctx_t) + hashBufSz + inSz);
}
if (ctx == NULL) {
return MEMORY_E;
}
hashBuf = (byte*)ctx + sizeof(hash_ctx_t);
memcpy(&hashBuf[hashBufSz], in, inSz);
ctx->bufSz = hashBufSz + inSz;
*devCtx = ctx;
}
/* final */
else if (digest != NULL) {
if (ctx == NULL) {
/* valid case of empty hash (0 len hash) */
}
else {
hashBuf = (byte*)ctx + sizeof(hash_ctx_t);
hashBufSz = ctx->bufSz;
}
#ifdef USE_OPENSSL
switch (hash_type) {
case WC_HASH_TYPE_SHA:
SHA1(hashBuf, hashBufSz, digest);
break;
case WC_HASH_TYPE_SHA224:
SHA224(hashBuf, hashBufSz, digest);
break;
case WC_HASH_TYPE_SHA256:
SHA256(hashBuf, hashBufSz, digest);
break;
case WC_HASH_TYPE_SHA384:
SHA384(hashBuf, hashBufSz, digest);
break;
case WC_HASH_TYPE_SHA512:
SHA512(hashBuf, hashBufSz, digest);
break;
default:
ret = NOT_COMPILED_IN;
break;
}
#else
ret = wc_Hash_ex(hash_type,
hashBuf, hashBufSz,
digest, wc_HashGetDigestSize(hash_type),
NULL, INVALID_DEVID);
#endif
if (!(flags & WC_HASH_FLAG_ISCOPY)) {
free(ctx);
*devCtx = NULL;
}
}
return ret;
}
/* Example crypto dev callback function that calls software version */
/* This is where you would plug-in calls to your own hardware crypto */
int myCryptoCb(int devIdArg, wc_CryptoInfo* info, void* ctx)
{
int ret = CRYPTOCB_UNAVAILABLE; /* return this to bypass HW and use SW */
myCryptoCbCtx* myCtx = (myCryptoCbCtx*)ctx;
if (info == NULL)
return BAD_FUNC_ARG;
#ifdef DEBUG_CRYPTOCB
wc_CryptoCb_InfoString(info);
#endif
if (info->algo_type == WC_ALGO_TYPE_RNG) {
#ifndef WC_NO_RNG
/* set devId to invalid, so software is used */
info->rng.rng->devId = INVALID_DEVID;
ret = wc_RNG_GenerateBlock(info->rng.rng,
info->rng.out, info->rng.sz);
/* reset devId */
info->rng.rng->devId = devIdArg;
#endif
}
else if (info->algo_type == WC_ALGO_TYPE_SEED) {
#ifndef WC_NO_RNG
static byte seed[sizeof(word32)] = { 0x00, 0x00, 0x00, 0x01 };
word32* seedWord32 = (word32*)seed;
word32 len;
/* wc_GenerateSeed is a local symbol so we need to fake the entropy. */
while (info->seed.sz > 0) {
len = (word32)sizeof(seed);
if (info->seed.sz < len)
len = info->seed.sz;
XMEMCPY(info->seed.seed, seed, sizeof(seed));
info->seed.seed += len;
info->seed.sz -= len;
(*seedWord32)++;
}
ret = 0;
#endif
}
else if (info->algo_type == WC_ALGO_TYPE_PK) {
#ifndef NO_RSA
if (info->pk.type == WC_PK_TYPE_RSA) {
/* set devId to invalid, so software is used */
info->pk.rsa.key->devId = INVALID_DEVID;
switch (info->pk.rsa.type) {
case RSA_PUBLIC_ENCRYPT:
case RSA_PUBLIC_DECRYPT:
/* perform software based RSA public op */
ret = wc_RsaFunction(
info->pk.rsa.in, info->pk.rsa.inLen,
info->pk.rsa.out, info->pk.rsa.outLen,
info->pk.rsa.type, info->pk.rsa.key, info->pk.rsa.rng);
break;
case RSA_PRIVATE_ENCRYPT:
case RSA_PRIVATE_DECRYPT:
/* perform software based RSA private op */
ret = wc_RsaFunction(
info->pk.rsa.in, info->pk.rsa.inLen,
info->pk.rsa.out, info->pk.rsa.outLen,
info->pk.rsa.type, info->pk.rsa.key, info->pk.rsa.rng);
break;
}
/* reset devId */
info->pk.rsa.key->devId = devIdArg;
}
#ifdef WOLFSSL_KEY_GEN
else if (info->pk.type == WC_PK_TYPE_RSA_KEYGEN) {
info->pk.rsakg.key->devId = INVALID_DEVID;
ret = wc_MakeRsaKey(info->pk.rsakg.key, info->pk.rsakg.size,
info->pk.rsakg.e, info->pk.rsakg.rng);
/* reset devId */
info->pk.rsakg.key->devId = devIdArg;
}
#endif
#endif /* !NO_RSA */
#ifdef HAVE_ECC
if (info->pk.type == WC_PK_TYPE_EC_KEYGEN) {
/* set devId to invalid, so software is used */
info->pk.eckg.key->devId = INVALID_DEVID;
ret = wc_ecc_make_key_ex(info->pk.eckg.rng, info->pk.eckg.size,
info->pk.eckg.key, info->pk.eckg.curveId);
/* reset devId */
info->pk.eckg.key->devId = devIdArg;
}
else if (info->pk.type == WC_PK_TYPE_ECDSA_SIGN) {
/* set devId to invalid, so software is used */
info->pk.eccsign.key->devId = INVALID_DEVID;
ret = wc_ecc_sign_hash(
info->pk.eccsign.in, info->pk.eccsign.inlen,
info->pk.eccsign.out, info->pk.eccsign.outlen,
info->pk.eccsign.rng, info->pk.eccsign.key);
/* reset devId */
info->pk.eccsign.key->devId = devIdArg;
}
else if (info->pk.type == WC_PK_TYPE_ECDSA_VERIFY) {
/* set devId to invalid, so software is used */
info->pk.eccverify.key->devId = INVALID_DEVID;
ret = wc_ecc_verify_hash(
info->pk.eccverify.sig, info->pk.eccverify.siglen,
info->pk.eccverify.hash, info->pk.eccverify.hashlen,
info->pk.eccverify.res, info->pk.eccverify.key);
/* reset devId */
info->pk.eccverify.key->devId = devIdArg;
}
else if (info->pk.type == WC_PK_TYPE_ECDH) {
/* set devId to invalid, so software is used */
info->pk.ecdh.private_key->devId = INVALID_DEVID;
ret = wc_ecc_shared_secret(
info->pk.ecdh.private_key, info->pk.ecdh.public_key,
info->pk.ecdh.out, info->pk.ecdh.outlen);
/* reset devId */
info->pk.ecdh.private_key->devId = devIdArg;
}
#endif /* HAVE_ECC */
}
else if (info->algo_type == WC_ALGO_TYPE_CIPHER) {
#if !defined(NO_AES) || !defined(NO_DES3)
#ifdef HAVE_AESGCM
if (info->cipher.type == WC_CIPHER_AES_GCM) {
if (info->cipher.enc) {
/* set devId to invalid, so software is used */
info->cipher.aesgcm_enc.aes->devId = INVALID_DEVID;
ret = wc_AesGcmEncrypt(
info->cipher.aesgcm_enc.aes,
info->cipher.aesgcm_enc.out,
info->cipher.aesgcm_enc.in,
info->cipher.aesgcm_enc.sz,
info->cipher.aesgcm_enc.iv,
info->cipher.aesgcm_enc.ivSz,
info->cipher.aesgcm_enc.authTag,
info->cipher.aesgcm_enc.authTagSz,
info->cipher.aesgcm_enc.authIn,
info->cipher.aesgcm_enc.authInSz);
/* reset devId */
info->cipher.aesgcm_enc.aes->devId = devIdArg;
}
else {
/* set devId to invalid, so software is used */
info->cipher.aesgcm_dec.aes->devId = INVALID_DEVID;
ret = wc_AesGcmDecrypt(
info->cipher.aesgcm_dec.aes,
info->cipher.aesgcm_dec.out,
info->cipher.aesgcm_dec.in,
info->cipher.aesgcm_dec.sz,
info->cipher.aesgcm_dec.iv,
info->cipher.aesgcm_dec.ivSz,
info->cipher.aesgcm_dec.authTag,
info->cipher.aesgcm_dec.authTagSz,
info->cipher.aesgcm_dec.authIn,
info->cipher.aesgcm_dec.authInSz);
/* reset devId */
info->cipher.aesgcm_dec.aes->devId = devIdArg;
}
}
#endif /* HAVE_AESGCM */
#ifdef HAVE_AES_CBC
if (info->cipher.type == WC_CIPHER_AES_CBC) {
if (info->cipher.enc) {
/* set devId to invalid, so software is used */
info->cipher.aescbc.aes->devId = INVALID_DEVID;
ret = wc_AesCbcEncrypt(
info->cipher.aescbc.aes,
info->cipher.aescbc.out,
info->cipher.aescbc.in,
info->cipher.aescbc.sz);
/* reset devId */
info->cipher.aescbc.aes->devId = devIdArg;
}
else {
/* set devId to invalid, so software is used */
info->cipher.aescbc.aes->devId = INVALID_DEVID;
ret = wc_AesCbcDecrypt(
info->cipher.aescbc.aes,
info->cipher.aescbc.out,
info->cipher.aescbc.in,
info->cipher.aescbc.sz);
/* reset devId */
info->cipher.aescbc.aes->devId = devIdArg;
}
}
#endif /* HAVE_AES_CBC */
#ifndef NO_DES3
if (info->cipher.type == WC_CIPHER_DES3) {
if (info->cipher.enc) {
/* set devId to invalid, so software is used */
info->cipher.des3.des->devId = INVALID_DEVID;
ret = wc_Des3_CbcEncrypt(
info->cipher.des3.des,
info->cipher.des3.out,
info->cipher.des3.in,
info->cipher.des3.sz);
/* reset devId */
info->cipher.des3.des->devId = devIdArg;
}
else {
/* set devId to invalid, so software is used */
info->cipher.des3.des->devId = INVALID_DEVID;
ret = wc_Des3_CbcDecrypt(
info->cipher.des3.des,
info->cipher.des3.out,
info->cipher.des3.in,
info->cipher.des3.sz);
/* reset devId */
info->cipher.des3.des->devId = devIdArg;
}
}
#endif /* !NO_DES3 */
#endif /* !NO_AES || !NO_DES3 */
}
else if (info->algo_type == WC_ALGO_TYPE_HASH) {
#if !defined(NO_SHA) || !defined(NO_SHA256) || defined(WOLFSSL_SHA384) || \
defined(WOLFSSL_SHA512)
#if !defined(NO_SHA)
if (info->hash.type == WC_HASH_TYPE_SHA) {
if (info->hash.sha1 == NULL)
return CRYPTOCB_UNAVAILABLE;
/* set devId to invalid, so software is used */
info->hash.sha1->devId = INVALID_DEVID;
ret = cb_hash(info->hash.type, info->hash.in, info->hash.inSz,
info->hash.digest, info->hash.sha1, &info->hash.sha1->devCtx,
info->hash.sha1->flags);
/* reset devId */
info->hash.sha1->devId = devIdArg;
}
else
#endif
#if !defined(NO_SHA256)
if (info->hash.type == WC_HASH_TYPE_SHA256) {
if (info->hash.sha256 == NULL)
return CRYPTOCB_UNAVAILABLE;
/* set devId to invalid, so software is used */
info->hash.sha256->devId = INVALID_DEVID;
ret = cb_hash(info->hash.type, info->hash.in, info->hash.inSz,
info->hash.digest, info->hash.sha256, &info->hash.sha256->devCtx,
info->hash.sha256->flags);
/* reset devId */
info->hash.sha256->devId = devIdArg;
}
else
#endif
#ifdef WOLFSSL_SHA384
if (info->hash.type == WC_HASH_TYPE_SHA384) {
if (info->hash.sha384 == NULL)
return CRYPTOCB_UNAVAILABLE;
/* set devId to invalid, so software is used */
info->hash.sha384->devId = INVALID_DEVID;
ret = cb_hash(info->hash.type, info->hash.in, info->hash.inSz,
info->hash.digest, info->hash.sha384, &info->hash.sha384->devCtx,
info->hash.sha384->flags);
/* reset devId */
info->hash.sha384->devId = devIdArg;
}
else
#endif
#ifdef WOLFSSL_SHA512
if (info->hash.type == WC_HASH_TYPE_SHA512) {
if (info->hash.sha512 == NULL)
return CRYPTOCB_UNAVAILABLE;
/* set devId to invalid, so software is used */
info->hash.sha512->devId = INVALID_DEVID;
ret = cb_hash(info->hash.type, info->hash.in, info->hash.inSz,
info->hash.digest, info->hash.sha512, &info->hash.sha512->devCtx,
info->hash.sha512->flags);
/* reset devId */
info->hash.sha512->devId = devIdArg;
}
else
#endif
{
}
#endif /* !NO_SHA || !NO_SHA256 || WOLFSSL_SHA384 || WOLFSSL_SHA512 */
}
else if (info->algo_type == WC_ALGO_TYPE_HMAC) {
#ifndef NO_HMAC
if (info->hmac.hmac == NULL)
return CRYPTOCB_UNAVAILABLE;
/* set devId to invalid, so software is used */
info->hmac.hmac->devId = INVALID_DEVID;
if (info->hmac.in != NULL) {
ret = wc_HmacUpdate(
info->hmac.hmac,
info->hmac.in,
info->hmac.inSz);
}
else if (info->hmac.digest != NULL) {
ret = wc_HmacFinal(
info->hmac.hmac,
info->hmac.digest);
}
/* reset devId */
info->hmac.hmac->devId = devIdArg;
#endif
}
(void)devIdArg;
(void)myCtx;
return ret;
}
#endif /* WOLF_CRYPTO_CB */

45
tls/cryptocb-common.h 100644
View File

@ -0,0 +1,45 @@
/* cryptocb-common.h
*
* Copyright (C) 2006-2020 wolfSSL Inc.
*
* This file is part of wolfSSL. (formerly known as CyaSSL)
*
* 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 02110-1301, USA
*/
#ifndef _CRYPTOCB_COMMON_H_
#define _CRYPTOCB_COMMON_H_
/* wolfSSL */
#ifndef WOLFSSL_USER_SETTINGS
#include <wolfssl/options.h>
#endif
#include <wolfssl/ssl.h>
#include <wolfssl/wolfcrypt/sha256.h>
#include <wolfssl/wolfcrypt/cryptocb.h>
#include <wolfssl/wolfcrypt/error-crypt.h>
#ifdef WOLF_CRYPTO_CB
/* Example custom context for crypto callback */
typedef struct {
int exampleVar; /* example, not used */
} myCryptoCbCtx;
int myCryptoCb(int devIdArg, wc_CryptoInfo* info, void* ctx);
#endif /* WOLF_CRYPTO_CB */
#endif /* !_CRYPTOCB_COMMON_H_ */

14
tls/memory-tls.c
View File

@ -147,7 +147,7 @@ static void* client_thread(void* args)
if (cli_ctx == NULL) err_sys("bad client ctx new"); if (cli_ctx == NULL) err_sys("bad client ctx new");
int ret = wolfSSL_CTX_load_verify_locations(cli_ctx, cacert, NULL); int ret = wolfSSL_CTX_load_verify_locations(cli_ctx, cacert, NULL);
if (ret != SSL_SUCCESS) err_sys("bad ca load"); if (ret != WOLFSSL_SUCCESS) err_sys("bad ca load");
wolfSSL_SetIOSend(cli_ctx, ClientSend); wolfSSL_SetIOSend(cli_ctx, ClientSend);
wolfSSL_SetIORecv(cli_ctx, ClientRecv); wolfSSL_SetIORecv(cli_ctx, ClientRecv);
@ -156,7 +156,7 @@ static void* client_thread(void* args)
if (cli_ctx == NULL) err_sys("bad client new"); if (cli_ctx == NULL) err_sys("bad client new");
ret = wolfSSL_connect(cli_ssl); ret = wolfSSL_connect(cli_ssl);
if (ret != SSL_SUCCESS) err_sys("bad client tls connect"); if (ret != WOLFSSL_SUCCESS) err_sys("bad client tls connect");
printf("wolfSSL client success!\n"); printf("wolfSSL client success!\n");
ret = wolfSSL_write(cli_ssl, "hello memory wolfSSL!", 21); ret = wolfSSL_write(cli_ssl, "hello memory wolfSSL!", 21);
@ -175,11 +175,11 @@ int main()
WOLFSSL_CTX* srv_ctx = wolfSSL_CTX_new(wolfTLSv1_2_server_method()); WOLFSSL_CTX* srv_ctx = wolfSSL_CTX_new(wolfTLSv1_2_server_method());
if (srv_ctx == NULL) err_sys("bad server ctx new"); if (srv_ctx == NULL) err_sys("bad server ctx new");
int ret = wolfSSL_CTX_use_PrivateKey_file(srv_ctx, key, SSL_FILETYPE_PEM); int ret = wolfSSL_CTX_use_PrivateKey_file(srv_ctx, key, WOLFSSL_FILETYPE_PEM);
if (ret != SSL_SUCCESS) err_sys("bad server key file load"); if (ret != WOLFSSL_SUCCESS) err_sys("bad server key file load");
ret = wolfSSL_CTX_use_certificate_file(srv_ctx, cert, SSL_FILETYPE_PEM); ret = wolfSSL_CTX_use_certificate_file(srv_ctx, cert, WOLFSSL_FILETYPE_PEM);
if (ret != SSL_SUCCESS) err_sys("bad server cert file load"); if (ret != WOLFSSL_SUCCESS) err_sys("bad server cert file load");
wolfSSL_SetIOSend(srv_ctx, ServerSend); wolfSSL_SetIOSend(srv_ctx, ServerSend);
wolfSSL_SetIORecv(srv_ctx, ServerRecv); wolfSSL_SetIORecv(srv_ctx, ServerRecv);
@ -193,7 +193,7 @@ int main()
/* accept tls connection without tcp sockets */ /* accept tls connection without tcp sockets */
ret = wolfSSL_accept(srv_ssl); ret = wolfSSL_accept(srv_ssl);
if (ret != SSL_SUCCESS) err_sys("bad server tls accept"); if (ret != WOLFSSL_SUCCESS) err_sys("bad server tls accept");
printf("wolfSSL accept success!\n"); printf("wolfSSL accept success!\n");
/* read msg post handshake from client */ /* read msg post handshake from client */

4
tls/server-tls-callback.c
View File

@ -184,7 +184,7 @@ int main()
} }
/* Load server certificates into WOLFSSL_CTX */ /* Load server certificates into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_use_certificate_file(ctx, CERT_FILE, SSL_FILETYPE_PEM)) if ((ret = wolfSSL_CTX_use_certificate_file(ctx, CERT_FILE, WOLFSSL_FILETYPE_PEM))
!= WOLFSSL_SUCCESS) { != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n", fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
CERT_FILE); CERT_FILE);
@ -192,7 +192,7 @@ int main()
} }
/* Load server key into WOLFSSL_CTX */ /* Load server key into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_use_PrivateKey_file(ctx, KEY_FILE, SSL_FILETYPE_PEM)) if ((ret = wolfSSL_CTX_use_PrivateKey_file(ctx, KEY_FILE, WOLFSSL_FILETYPE_PEM))
!= WOLFSSL_SUCCESS) { != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n", fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
KEY_FILE); KEY_FILE);

283
tls/server-tls-cryptocb.c 100644
View File

@ -0,0 +1,283 @@
/* server-tls-cryptocb.c
*
* Copyright (C) 2006-2020 wolfSSL Inc.
*
* This file is part of wolfSSL. (formerly known as CyaSSL)
*
* 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 02110-1301, USA
*/
/* the usual suspects */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
/* socket includes */
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <unistd.h>
/* wolfSSL */
#ifndef WOLFSSL_USER_SETTINGS
#include <wolfssl/options.h>
#endif
#include <wolfssl/ssl.h>
#include <wolfssl/wolfcrypt/sha256.h>
#include <wolfssl/wolfcrypt/cryptocb.h>
#include <wolfssl/wolfcrypt/error-crypt.h>
#include "cryptocb-common.h"
#define DEFAULT_PORT 11111
#define USE_ECDHE_ECDSA
#define USE_TLSV13
#ifdef USE_ECDHE_ECDSA
#define CERT_FILE "../certs/server-ecc.pem"
#define KEY_FILE "../certs/ecc-key.pem"
#define CA_FILE "../certs/client-ecc-cert.pem"
#else
#define CERT_FILE "../certs/server-cert.pem"
#define KEY_FILE "../certs/server-key.pem"
#define CA_FILE "../certs/client-cert.pem"
#endif
int main(int argc, char** argv)
{
int ret = 0;
#ifdef WOLF_CRYPTO_CB
int sockfd = SOCKET_INVALID;
int connd = SOCKET_INVALID;
struct sockaddr_in servAddr;
struct sockaddr_in clientAddr;
socklen_t size = sizeof(clientAddr);
char buff[256];
size_t len;
int shutdown = 0;
const char* reply = "I hear ya fa shizzle!\n";
int on;
/* declare wolfSSL objects */
WOLFSSL_CTX* ctx = NULL;
WOLFSSL* ssl = NULL;
WOLFSSL_CIPHER* cipher;
int devId = 1; /* anything besides -2 (INVALID_DEVID) */
myCryptoCbCtx myCtx;
#if 0
wolfSSL_Debugging_ON();
#endif
/* Initialize wolfSSL */
wolfSSL_Init();
/* example data for callback */
memset(&myCtx, 0, sizeof(myCtx));
myCtx.exampleVar = 1;
/* register a devID for crypto callbacks */
ret = wc_CryptoCb_RegisterDevice(devId, myCryptoCb, &myCtx);
if (ret != 0) {
fprintf(stderr, "ERROR: wc_CryptoCb_RegisterDevice failed %d\n", ret);
goto exit;
}
/* Create and initialize WOLFSSL_CTX */
#ifdef USE_TLSV13
ctx = wolfSSL_CTX_new(wolfTLSv1_3_server_method());
#else
ctx = wolfSSL_CTX_new(wolfTLSv1_2_server_method());
#endif
if (ctx == NULL) {
fprintf(stderr, "ERROR: failed to create WOLFSSL_CTX\n");
ret = -1;
goto exit;
}
/* register a devID for crypto callbacks */
wolfSSL_CTX_SetDevId(ctx, devId);
/* Load server certificates into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_use_certificate_file(ctx, CERT_FILE, WOLFSSL_FILETYPE_PEM))
!= WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
CERT_FILE);
goto exit;
}
/* Load server key into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_use_PrivateKey_file(ctx, KEY_FILE, WOLFSSL_FILETYPE_PEM))
!= WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
KEY_FILE);
goto exit;
}
/* Load CA certificate into WOLFSSL_CTX for validating peer */
if ((ret = wolfSSL_CTX_load_verify_locations(ctx, CA_FILE, NULL))
!= WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
CA_FILE);
goto exit;
}
/* enable mutual authentication */
wolfSSL_CTX_set_verify(ctx,
WOLFSSL_VERIFY_PEER | WOLFSSL_VERIFY_FAIL_IF_NO_PEER_CERT, NULL);
#if 0
/* Examples: "TLS13-AES256-GCM-SHA384",
* "TLS13-AES128-GCM-SHA256" or
* "TLS13-CHACHA20-POLY1305-SHA256" */
wolfSSL_CTX_set_cipher_list(ctx, "TLS13-AES256-GCM-SHA384");
#endif
/* Create a socket that uses an internet IPv4 address,
* Sets the socket to be stream based (TCP),
* 0 means choose the default protocol. */
if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
fprintf(stderr, "ERROR: failed to create the socket\n");
ret = -1;
goto exit;
}
on = 1;
setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR,
(char*)&on, (socklen_t)sizeof(on));
/* Initialize the server address struct with zeros */
memset(&servAddr, 0, sizeof(servAddr));
/* Fill in the server address */
servAddr.sin_family = AF_INET; /* using IPv4 */
servAddr.sin_port = htons(DEFAULT_PORT); /* on DEFAULT_PORT */
servAddr.sin_addr.s_addr = INADDR_ANY; /* from anywhere */
/* Bind the server socket to our port */
if (bind(sockfd, (struct sockaddr*)&servAddr, sizeof(servAddr)) == -1) {
fprintf(stderr, "ERROR: failed to bind\n");
ret = -1;
goto exit;
}
/* Listen for a new connection, allow 5 pending connections */
if (listen(sockfd, 5) == -1) {
fprintf(stderr, "ERROR: failed to listen\n");
ret = -1;
goto exit;
}
/* Continue to accept clients until shutdown is issued */
while (!shutdown) {
printf("Waiting for a connection...\n");
/* Accept client connections */
if ((connd = accept(sockfd, (struct sockaddr*)&clientAddr, &size))
== -1) {
fprintf(stderr, "ERROR: failed to accept the connection\n\n");
ret = -1;
goto exit;
}
/* Create a WOLFSSL object */
if ((ssl = wolfSSL_new(ctx)) == NULL) {
fprintf(stderr, "ERROR: failed to create WOLFSSL object\n");
ret = -1;
goto exit;
}
/* Attach wolfSSL to the socket */
wolfSSL_set_fd(ssl, connd);
/* Establish TLS connection */
ret = wolfSSL_accept(ssl);
if (ret != WOLFSSL_SUCCESS) {
fprintf(stderr, "wolfSSL_accept error = %d\n",
wolfSSL_get_error(ssl, ret));
goto exit;
}
printf("Client connected successfully\n");
cipher = wolfSSL_get_current_cipher(ssl);
printf("SSL cipher suite is %s\n", wolfSSL_CIPHER_get_name(cipher));
/* Read the client data into our buff array */
memset(buff, 0, sizeof(buff));
if ((ret = wolfSSL_read(ssl, buff, sizeof(buff)-1)) == -1) {
fprintf(stderr, "ERROR: failed to read\n");
goto exit;
}
/* Print to stdout any data the client sends */
printf("Client: %s\n", buff);
/* Check for server shutdown command */
if (strncmp(buff, "shutdown", 8) == 0) {
printf("Shutdown command issued!\n");
shutdown = 1;
}
/* Write our reply into buff */
memset(buff, 0, sizeof(buff));
memcpy(buff, reply, strlen(reply));
len = strnlen(buff, sizeof(buff));
/* Reply back to the client */
if ((ret = wolfSSL_write(ssl, buff, len)) != len) {
fprintf(stderr, "ERROR: failed to write\n");
goto exit;
}
/* Notify the client that the connection is ending */
wolfSSL_shutdown(ssl);
printf("Shutdown complete\n");
/* Cleanup after this connection */
wolfSSL_free(ssl); /* Free the wolfSSL object */
ssl = NULL;
close(connd); /* Close the connection to the client */
}
ret = 0;
exit:
/* Cleanup and return */
wolfSSL_free(ssl); /* Free the wolfSSL object */
if (connd != SOCKET_INVALID)
close(connd); /* Close the connection to the client */
if (sockfd != SOCKET_INVALID)
close(sockfd); /* Close the socket listening for clients */
wolfSSL_CTX_free(ctx); /* Free the wolfSSL context object */
wolfSSL_Cleanup(); /* Cleanup the wolfSSL environment */
#else
printf("Please configure wolfSSL with --enable-cryptocb and try again\n");
#endif /* WOLF_CRYPTO_CB */
(void)argc;
(void)argv;
return ret; /* Return reporting a success */
}

4
tls/server-tls-ecdhe.c
View File

@ -86,7 +86,7 @@ int main()
} }
/* Load server certificates into WOLFSSL_CTX */ /* Load server certificates into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_use_certificate_file(ctx, CERT_FILE, SSL_FILETYPE_PEM)) if ((ret = wolfSSL_CTX_use_certificate_file(ctx, CERT_FILE, WOLFSSL_FILETYPE_PEM))
!= WOLFSSL_SUCCESS) { != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n", fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
CERT_FILE); CERT_FILE);
@ -94,7 +94,7 @@ int main()
} }
/* Load server key into WOLFSSL_CTX */ /* Load server key into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_use_PrivateKey_file(ctx, KEY_FILE, SSL_FILETYPE_PEM)) if ((ret = wolfSSL_CTX_use_PrivateKey_file(ctx, KEY_FILE, WOLFSSL_FILETYPE_PEM))
!= WOLFSSL_SUCCESS) { != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n", fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
KEY_FILE); KEY_FILE);

4
tls/server-tls-nonblocking.c
View File

@ -138,7 +138,7 @@ int main()
} }
/* Load server certificates into WOLFSSL_CTX */ /* Load server certificates into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_use_certificate_file(ctx, CERT_FILE, SSL_FILETYPE_PEM)) if ((ret = wolfSSL_CTX_use_certificate_file(ctx, CERT_FILE, WOLFSSL_FILETYPE_PEM))
!= WOLFSSL_SUCCESS) { != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n", fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
CERT_FILE); CERT_FILE);
@ -146,7 +146,7 @@ int main()
} }
/* Load server key into WOLFSSL_CTX */ /* Load server key into WOLFSSL_CTX */
if (wolfSSL_CTX_use_PrivateKey_file(ctx, KEY_FILE, SSL_FILETYPE_PEM) if (wolfSSL_CTX_use_PrivateKey_file(ctx, KEY_FILE, WOLFSSL_FILETYPE_PEM)
!= WOLFSSL_SUCCESS) { != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n", fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
KEY_FILE); KEY_FILE);

6
tls/server-tls-threaded.c
View File

@ -86,7 +86,7 @@ void* ClientHandler(void* args)
ret = wolfSSL_accept(ssl); ret = wolfSSL_accept(ssl);
} while(wolfSSL_want_read(ssl)); } while(wolfSSL_want_read(ssl));
if (ret != SSL_SUCCESS) { if (ret != WOLFSSL_SUCCESS) {
printf("ret = %d\n", ret); printf("ret = %d\n", ret);
fprintf(stderr, "wolfSSL_accept error = %d\n", fprintf(stderr, "wolfSSL_accept error = %d\n",
wolfSSL_get_error(ssl, ret)); wolfSSL_get_error(ssl, ret));
@ -207,7 +207,7 @@ int main()
} }
/* Load server certificates into WOLFSSL_CTX */ /* Load server certificates into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_use_certificate_file(ctx, CERT_FILE, SSL_FILETYPE_PEM)) if ((ret = wolfSSL_CTX_use_certificate_file(ctx, CERT_FILE, WOLFSSL_FILETYPE_PEM))
!= WOLFSSL_SUCCESS) { != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n", fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
CERT_FILE); CERT_FILE);
@ -215,7 +215,7 @@ int main()
} }
/* Load server key into WOLFSSL_CTX */ /* Load server key into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_use_PrivateKey_file(ctx, KEY_FILE, SSL_FILETYPE_PEM)) if ((ret = wolfSSL_CTX_use_PrivateKey_file(ctx, KEY_FILE, WOLFSSL_FILETYPE_PEM))
!= WOLFSSL_SUCCESS) { != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n", fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
KEY_FILE); KEY_FILE);

6
tls/server-tls-uart.c
View File

@ -207,16 +207,16 @@ int main(int argc, char** argv)
wolfSSL_CTX_SetIORecv(ctx, uartIORx); wolfSSL_CTX_SetIORecv(ctx, uartIORx);
/* For testing disable peer cert verification */ /* For testing disable peer cert verification */
wolfSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, NULL); wolfSSL_CTX_set_verify(ctx, WOLFSSL_VERIFY_NONE, NULL);
/* Set server key and certificate (required) */ /* Set server key and certificate (required) */
if ((ret = wolfSSL_CTX_use_certificate_file(ctx, CERT_FILE, SSL_FILETYPE_PEM)) != WOLFSSL_SUCCESS) { if ((ret = wolfSSL_CTX_use_certificate_file(ctx, CERT_FILE, WOLFSSL_FILETYPE_PEM)) != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n", CERT_FILE); fprintf(stderr, "ERROR: failed to load %s, please check the file.\n", CERT_FILE);
goto done; goto done;
} }
/* Load server key into WOLFSSL_CTX */ /* Load server key into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_use_PrivateKey_file(ctx, KEY_FILE, SSL_FILETYPE_PEM)) != WOLFSSL_SUCCESS) { if ((ret = wolfSSL_CTX_use_PrivateKey_file(ctx, KEY_FILE, WOLFSSL_FILETYPE_PEM)) != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n", KEY_FILE); fprintf(stderr, "ERROR: failed to load %s, please check the file.\n", KEY_FILE);
goto done; goto done;
} }

11
tls/server-tls.c
View File

@ -57,8 +57,11 @@ int main()
/* declare wolfSSL objects */ /* declare wolfSSL objects */
WOLFSSL_CTX* ctx = NULL; WOLFSSL_CTX* ctx = NULL;
WOLFSSL* ssl = NULL; WOLFSSL* ssl = NULL;
WOLFSSL_CIPHER* cipher;
#if 0
wolfSSL_Debugging_ON();
#endif
/* Initialize wolfSSL */ /* Initialize wolfSSL */
wolfSSL_Init(); wolfSSL_Init();
@ -84,7 +87,7 @@ int main()
} }
/* Load server certificates into WOLFSSL_CTX */ /* Load server certificates into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_use_certificate_file(ctx, CERT_FILE, SSL_FILETYPE_PEM)) if ((ret = wolfSSL_CTX_use_certificate_file(ctx, CERT_FILE, WOLFSSL_FILETYPE_PEM))
!= WOLFSSL_SUCCESS) { != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n", fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
CERT_FILE); CERT_FILE);
@ -92,7 +95,7 @@ int main()
} }
/* Load server key into WOLFSSL_CTX */ /* Load server key into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_use_PrivateKey_file(ctx, KEY_FILE, SSL_FILETYPE_PEM)) if ((ret = wolfSSL_CTX_use_PrivateKey_file(ctx, KEY_FILE, WOLFSSL_FILETYPE_PEM))
!= WOLFSSL_SUCCESS) { != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n", fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
KEY_FILE); KEY_FILE);
@ -160,6 +163,8 @@ int main()
printf("Client connected successfully\n"); printf("Client connected successfully\n");
cipher = wolfSSL_get_current_cipher(ssl);
printf("SSL cipher suite is %s\n", wolfSSL_CIPHER_get_name(cipher));
/* Read the client data into our buff array */ /* Read the client data into our buff array */