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C++ HMAC_CTX_init函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中HMAC_CTX_init函数的典型用法代码示例。如果您正苦于以下问题：C++ HMAC_CTX_init函数的具体用法？C++ HMAC_CTX_init怎么用？C++ HMAC_CTX_init使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了HMAC_CTX_init函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: main

int main() {
    // The secret key for hashing
    const char key[] = "012345678";

    // The data that we're going to hash
    char data[] = "hello world";

    // Be careful of the length of string with the choosen hash engine. SHA1 needed 20 characters.
    // Change the length accordingly with your choosen hash engine.
    unsigned char* result;
    unsigned int len = 20;

    result = (unsigned char*)malloc(sizeof(char) * len);

    HMAC_CTX ctx;
    HMAC_CTX_init(&ctx);

    // Using sha1 hash engine here.
    // You may use other hash engines. e.g EVP_md5(), EVP_sha224, EVP_sha512, etc
    HMAC_Init_ex(&ctx, key, strlen(key), EVP_sha1(), NULL);
    HMAC_Update(&ctx, (unsigned char*)&data, strlen(data));
    HMAC_Final(&ctx, result, &len);
    HMAC_CTX_cleanup(&ctx);

    printf("HMAC digest: ");

    for (int i = 0; i != len; i++)
        printf("%02x", (unsigned int)result[i]);

    printf("\n");

    free(result);

    return 0;
}
开发者ID:rainycheng，项目名称:SeKV，代码行数:35，代码来源:hmac1.c


示例2: te_digest_init

//These functions should be replaced with VHMS API calls
int te_digest_init(EVP_MD_CTX *ctx) {
    struct te_hmac_sha1_digest_ctx *c = ctx->md_data;
    printf("Digest init. Current key: %s\n", c->key);
    HMAC_CTX_init(&c->hctx);
    HMAC_Init_ex(&c->hctx, c->key, c->key_ln, EVP_sha1(), 0);
    return 1;
}
开发者ID:GarysRefererence2014，项目名称:vhsm，代码行数:8，代码来源:main.c


示例3: hmac_init

HMACCTX hmac_init(const void *key, int len, enum ssh_hmac_e type) {
  HMACCTX ctx = NULL;

  ctx = malloc(sizeof(*ctx));
  if (ctx == NULL) {
    return NULL;
  }

#ifndef OLD_CRYPTO
  HMAC_CTX_init(ctx); // openssl 0.9.7 requires it.
#endif

  switch(type) {
    case SSH_HMAC_SHA1:
      HMAC_Init(ctx, key, len, EVP_sha1());
      break;
    case SSH_HMAC_MD5:
      HMAC_Init(ctx, key, len, EVP_md5());
      break;
    default:
      SAFE_FREE(ctx);
      ctx = NULL;
  }

  return ctx;
}
开发者ID:R4wizard，项目名称:node-libssh，代码行数:26，代码来源:libcrypto.c


示例4: CryptoNative_HmacCreate

extern "C" HMAC_CTX* CryptoNative_HmacCreate(const uint8_t* key, int32_t keyLen, const EVP_MD* md)
{
    assert(key != nullptr || keyLen == 0);
    assert(keyLen >= 0);
    assert(md != nullptr);

    std::unique_ptr<HMAC_CTX> ctx(new (std::nothrow) HMAC_CTX);
    if (ctx == nullptr)
    {
        // Allocation failed
        return nullptr;
    }

    // NOTE: We can't pass nullptr as empty key since HMAC_Init_ex will interpret
    // that as request to reuse the "existing" key.
    uint8_t _;
    if (keyLen == 0)
        key = &_;

    HMAC_CTX_init(ctx.get());
    int ret = HMAC_Init_ex(ctx.get(), key, keyLen, md, nullptr);

    if (!ret)
    {
        return nullptr;
    }

    return ctx.release();
}
开发者ID:AArnott，项目名称:corefx，代码行数:29，代码来源:pal_hmac.cpp


示例5: winpr_HMAC_Init

int winpr_HMAC_Init(WINPR_HMAC_CTX* ctx, int md, const BYTE* key, size_t keylen)
{
#if defined(WITH_OPENSSL)
	const EVP_MD* evp = winpr_openssl_get_evp_md(md);

	if (!evp)
		return -1;

	HMAC_CTX_init((HMAC_CTX*) ctx);

#if (OPENSSL_VERSION_NUMBER < 0x10000000L)
	HMAC_Init_ex((HMAC_CTX*) ctx, key, keylen, evp, NULL);
#else
	if (HMAC_Init_ex((HMAC_CTX*) ctx, key, keylen, evp, NULL) != 1)
		return -1;
#endif

#elif defined(WITH_MBEDTLS)
	const mbedtls_md_info_t* md_info;
	mbedtls_md_type_t md_type = winpr_mbedtls_get_md_type(md);
	md_info = mbedtls_md_info_from_type(md_type);

	if (!md_info)
		return -1;

	mbedtls_md_init((mbedtls_md_context_t*) ctx);

	if (mbedtls_md_setup((mbedtls_md_context_t*) ctx, md_info, 1) != 0)
		return -1;

	if (mbedtls_md_hmac_starts((mbedtls_md_context_t*) ctx, key, keylen) != 0)
		return -1;
#endif
	return 0;
}
开发者ID:colemickens，项目名称:FreeRDP，代码行数:35，代码来源:hash.c


示例6: HMAC_CTX_init

// Signing functions
bool OSSLEVPMacAlgorithm::signInit(const SymmetricKey* key)
{
	// Call the superclass initialiser
	if (!MacAlgorithm::signInit(key))
	{
		return false;
	}

	// Initialize the context
	HMAC_CTX_init(&curCTX);

	// Initialize EVP signing
	if (!HMAC_Init(&curCTX, key->getKeyBits().const_byte_str(), key->getKeyBits().size(), getEVPHash()))
	{
		ERROR_MSG("HMAC_Init failed");

		HMAC_CTX_cleanup(&curCTX);

		ByteString dummy;
		MacAlgorithm::signFinal(dummy);

		return false;
	}

	return true;
}
开发者ID:GarysRefererence2014，项目名称:SoftHSMv2，代码行数:27，代码来源:OSSLEVPMacAlgorithm.cpp


示例7: hmac_fdigest

static int hmac_fdigest(lua_State *L)
{
  HMAC_CTX c;
  unsigned char digest[EVP_MAX_MD_SIZE];
  size_t written = 0;
  unsigned int i;
  char *hex;
  const char *t = luaL_checkstring(L, 1);
  const char *s = luaL_checkstring(L, 2);
  const char *k = luaL_checkstring(L, 3);
  const EVP_MD *type = EVP_get_digestbyname(t);

  if (type == NULL) {
    luaL_argerror(L, 1, "invalid digest type");
    return 0;
  }

  HMAC_CTX_init(&c);
  HMAC_Init_ex(&c, k, lua_strlen(L, 3), type, NULL);
  HMAC_Update(&c, (unsigned char *)s, lua_strlen(L, 2));
  HMAC_Final(&c, digest, &written);

  if (lua_toboolean(L, 4))
    lua_pushlstring(L, (char *)digest, written);
  else
  {
    hex = calloc(sizeof(char), written*2 + 1);
    for (i = 0; i < written; i++)
      sprintf(hex + 2*i, "%02x", digest[i]);
    lua_pushlstring(L, hex, written*2);
    free(hex);
  }

  return 1;
}
开发者ID:Odie，项目名称:moai-beta，代码行数:35，代码来源:lcrypto.c


示例8: calculate_reply_hash

static krb5_error_code
calculate_reply_hash(krb5_context context,
		     krb5_keyblock *key,
		     Kx509Response *rep)
{
    krb5_error_code ret;
    HMAC_CTX ctx;

    HMAC_CTX_init(&ctx);

    HMAC_Init_ex(&ctx, key->keyvalue.data, key->keyvalue.length,
		 EVP_sha1(), NULL);
    ret = krb5_data_alloc(rep->hash, HMAC_size(&ctx));
    if (ret) {
	HMAC_CTX_cleanup(&ctx);
	krb5_set_error_message(context, ENOMEM, "malloc: out of memory");
	return ENOMEM;
    }

    HMAC_Update(&ctx, version_2_0, sizeof(version_2_0));
    if (rep->error_code) {
	int32_t t = *rep->error_code;
	do {
	    unsigned char p = (t & 0xff);
	    HMAC_Update(&ctx, &p, 1);
	    t >>= 8;
	} while (t);
    }
开发者ID:Alexandr-Galko，项目名称:samba，代码行数:28，代码来源:kx509.c


示例9: winpr_HMAC_New

WINPR_HMAC_CTX* winpr_HMAC_New(void)
{
	WINPR_HMAC_CTX* ctx = NULL;

#if defined(WITH_OPENSSL)
	HMAC_CTX* hmac = NULL;
#if (OPENSSL_VERSION_NUMBER < 0x10100000L)
	if (!(hmac = (HMAC_CTX*) calloc(1, sizeof(HMAC_CTX))))
		return NULL;
	HMAC_CTX_init(hmac);
#else
	if (!(hmac = HMAC_CTX_new()))
		return NULL;
#endif
	ctx = (WINPR_HMAC_CTX*) hmac;

#elif defined(WITH_MBEDTLS)
	mbedtls_md_context_t* hmac;
	if (!(hmac = (mbedtls_md_context_t*) calloc(1, sizeof(mbedtls_md_context_t))))
		return NULL;

	mbedtls_md_init(hmac);

	ctx = (WINPR_HMAC_CTX*) hmac;
#endif

	return ctx;
}
开发者ID:nogginware，项目名称:FreeRDP，代码行数:28，代码来源:hash.c


示例10: doFile

static void doFile(FILE *fp)
{
  HMAC_CTX ctx;
  unsigned char digest[EVP_MAX_MD_SIZE];
  unsigned int i = 0, dlen = (unsigned int)sizeof(digest);
  size_t rd = 0;
  const char key[] = "etaonrishdlcupfm";
  unsigned char buf[4096];

  /* Initialise context */
  HMAC_CTX_init(&ctx);
  /* Set digest type and key in context */
  HMAC_Init_ex(&ctx, key, strlen(key), EVP_sha1(), NULL);
  /* Process input stream */
  do {
    rd = fread(buf,sizeof(char),sizeof(buf),fp);
    if(ferror(fp) || ((rd < sizeof(buf)) && !feof(fp))) exit(3);
    if(!HMAC_Update(&ctx, buf, (unsigned int)rd)) exit(4);
  } while(!feof(fp));

  /* Generate digest */
  if(!HMAC_Final(&ctx, digest, &dlen)) exit(5);
  HMAC_CTX_cleanup(&ctx);

  /* Display digest in hex */
  for(i = 0; i < dlen; i++) printf("%02x", digest[i]);
  printf("\n");
  return;
}
开发者ID:rjmangubat23，项目名称:openssl-android，代码行数:29，代码来源:fips_hmac.c


示例11: memcpy

HmacHash::HmacHash()
{
    uint8 temp[SEED_KEY_SIZE] = { 0x38, 0xA7, 0x83, 0x15, 0xF8, 0x92, 0x25, 0x30, 0x71, 0x98, 0x67, 0xB1, 0x8C, 0x4, 0xE2, 0xAA };
    memcpy(&m_key, &temp, SEED_KEY_SIZE);
    HMAC_CTX_init(&m_ctx);
    HMAC_Init_ex(&m_ctx, &m_key, SEED_KEY_SIZE, EVP_sha1(), NULL);
}
开发者ID:maximusmangos，项目名称:mangos，代码行数:7，代码来源:Hmac.cpp


示例12: verify_req_hash

static krb5_error_code
verify_req_hash(krb5_context context,
		const Kx509Request *req,
		krb5_keyblock *key)
{
    unsigned char digest[SHA_DIGEST_LENGTH];
    HMAC_CTX ctx;

    if (req->pk_hash.length != sizeof(digest)) {
	krb5_set_error_message(context, KRB5KDC_ERR_PREAUTH_FAILED,
			       "pk-hash have wrong length: %lu",
			       (unsigned long)req->pk_hash.length);
	return KRB5KDC_ERR_PREAUTH_FAILED;
    }

    HMAC_CTX_init(&ctx);
    HMAC_Init_ex(&ctx,
		 key->keyvalue.data, key->keyvalue.length,
		 EVP_sha1(), NULL);
    if (sizeof(digest) != HMAC_size(&ctx))
	krb5_abortx(context, "runtime error, hmac buffer wrong size in kx509");
    HMAC_Update(&ctx, version_2_0, sizeof(version_2_0));
    HMAC_Update(&ctx, req->pk_key.data, req->pk_key.length);
    HMAC_Final(&ctx, digest, 0);
    HMAC_CTX_cleanup(&ctx);

    if (memcmp(req->pk_hash.data, digest, sizeof(digest)) != 0) {
	krb5_set_error_message(context, KRB5KDC_ERR_PREAUTH_FAILED,
			       "pk-hash is not correct");
	return KRB5KDC_ERR_PREAUTH_FAILED;
    }
    return 0;
}
开发者ID:Alexandr-Galko，项目名称:samba，代码行数:33，代码来源:kx509.c


示例13: rtmp_handshake_make_digest

static int rtmp_handshake_make_digest(const uint8_t* key, size_t len, const uint8_t* ptr, size_t ptrlen, const uint8_t* digest, uint8_t* dst)
{
	static HMAC_CTX        *hmac;
	unsigned int            digestlen;

	if (hmac == NULL) {
#if OPENSSL_VERSION_NUMBER < 0x10100000L
		static HMAC_CTX  shmac;
		hmac = &shmac;
		HMAC_CTX_init(hmac);
#else
		hmac = HMAC_CTX_new();
#endif
	}

	HMAC_Init_ex(hmac, key, len, EVP_sha256(), NULL);
	if (digest)
	{
		assert(digest + SHA256_DIGEST_LENGTH <= ptr + ptrlen);
		HMAC_Update(hmac, ptr, digest - ptr);
		if (digest + SHA256_DIGEST_LENGTH < ptr + ptrlen)
			HMAC_Update(hmac, digest + SHA256_DIGEST_LENGTH, ptrlen - (digest - ptr) - SHA256_DIGEST_LENGTH);
	}
	else
	{
		HMAC_Update(hmac, ptr, ptrlen);
	}
	HMAC_Final(hmac, dst, &digestlen);
	assert(digestlen == SHA256_DIGEST_LENGTH);
	return 0;
}
开发者ID:zousenming，项目名称:media-server，代码行数:31，代码来源:rtmp-handshake.c


示例14: check_hmac

static void
check_hmac(void)
{
    unsigned char buf[4] = { 0, 0, 0, 0 };
    char hmackey[] = "hello-world";
    size_t hmackey_size = sizeof(hmackey);
    unsigned int hmaclen;
    unsigned char hmac[EVP_MAX_MD_SIZE];
    HMAC_CTX c;

    char answer[20] = "\x2c\xfa\x32\xb7\x2b\x8a\xf6\xdf\xcf\xda"
	              "\x6f\xd1\x52\x4d\x54\x58\x73\x0f\xf3\x24";

    HMAC_CTX_init(&c);
    HMAC_Init_ex(&c, hmackey, hmackey_size, EVP_sha1(), NULL);
    HMAC_Update(&c, buf, sizeof(buf));
    HMAC_Final(&c, hmac, &hmaclen);
    HMAC_CTX_cleanup(&c);

    if (hmaclen != 20)
	errx(1, "hmaclen = %d\n", (int)hmaclen);

    if (ct_memcmp(hmac, answer, hmaclen) != 0)
	errx(1, "wrong answer\n");
}
开发者ID:Kendra123，项目名称:heimdal，代码行数:25，代码来源:validate.c


示例15: OPENSSL_malloc

static HMAC_CTX *HMAC_CTX_new(void)
{
    HMAC_CTX *ctx = OPENSSL_malloc(sizeof(HMAC_CTX));
    if (ctx != NULL)
        HMAC_CTX_init(ctx);
    return ctx;
}
开发者ID:mschmieder，项目名称:minizip，代码行数:7，代码来源:mz_crypt_openssl.c


示例16: insert_message_authenticator

static void
insert_message_authenticator(struct rad_handle *h, int resp)
{
#ifdef WITH_SSL
	u_char md[EVP_MAX_MD_SIZE];
	u_int md_len;
	const struct rad_server *srvp;
	HMAC_CTX ctx;
	srvp = &h->servers[h->srv];

	if (h->authentic_pos != 0) {
		HMAC_CTX_init(&ctx);
		HMAC_Init(&ctx, srvp->secret, strlen(srvp->secret), EVP_md5());
		HMAC_Update(&ctx, &h->out[POS_CODE], POS_AUTH - POS_CODE);
		if (resp)
		    HMAC_Update(&ctx, &h->in[POS_AUTH], LEN_AUTH);
		else
		    HMAC_Update(&ctx, &h->out[POS_AUTH], LEN_AUTH);
		HMAC_Update(&ctx, &h->out[POS_ATTRS],
		    h->out_len - POS_ATTRS);
		HMAC_Final(&ctx, md, &md_len);
		HMAC_CTX_cleanup(&ctx);
		HMAC_cleanup(&ctx);
		memcpy(&h->out[h->authentic_pos + 2], md, md_len);
	}
#endif
}
开发者ID:hmatyschok，项目名称:MeshBSD，代码行数:27，代码来源:radlib.c


示例17: ENGINE_load_builtin_engines

//ignore
unsigned char *HMACRSA(const EVP_MD *evp_md, const void *key, int key_len,const unsigned char *d, size_t n, unsigned char *md,unsigned int *md_len)
{
    HMAC_CTX c;
    static unsigned char m[EVP_MAX_MD_SIZE];
    //TODO: get/set rsa engine struct
    const char *engine_id = "rsa";
    ENGINE_load_builtin_engines();
    ENGINE *e = ENGINE_by_id(engine_id);//ENGINE_;
    if(!e)
      fprintf(stderr,"Engine not available\n");

    ENGINE_init(e);
    if (md == NULL)
        md = m;
    HMAC_CTX_init(&c);

    if (!HMAC_Init_ex(&c, key, key_len, evp_md, NULL))
        goto err;
    if (!HMAC_Update(&c, d, n))
        goto err;
    if (!HMAC_Final(&c, md, md_len))
        goto err;
    HMAC_CTX_cleanup(&c);
    ENGINE_free(e);
    return md;
 err:
    HMAC_CTX_cleanup(&c);
    ENGINE_free(e);
    return NULL;
}
开发者ID:FireElementalNE，项目名称:CSCI6320-project，代码行数:31，代码来源:macLocal.c


示例18: HMAC_Init

void HMAC_Init(HMAC_CTX *ctx, const void *key, int len,
	       const EVP_MD *md)
	{
	if(key && md)
	    HMAC_CTX_init(ctx);
	HMAC_Init_ex(ctx,key,len,md, NULL);
	}
开发者ID:imgits，项目名称:rkanalyzer，代码行数:7，代码来源:hmac.c


示例19: EncodeHMACSHA256

unsigned char *
EncodeHMACSHA256(
    unsigned char* key,
    int keylen,
    const char* data,
    int datalen)
{
    unsigned char *hmachash = malloc(32);
    const unsigned char *datatohash = (unsigned char *)data;
    unsigned char tk[SHA256_DIGEST_LENGTH];

    // Initialise HMACh
    HMAC_CTX HMAC;
    unsigned int hmaclength = 32;
    memset(hmachash, 0, hmaclength);

    if (keylen > 64 ) {
	SHA256(key, keylen, tk);
	key    = tk;
	keylen = SHA256_DIGEST_LENGTH;
    }

    // Digest the key and message using SHA256
    HMAC_CTX_init(&HMAC);
    HMAC_Init_ex(&HMAC, key, keylen, EVP_sha256(),NULL);
    HMAC_Update(&HMAC, datatohash, datalen);
    HMAC_Final(&HMAC, hmachash, &hmaclength);
    HMAC_CTX_cleanup(&HMAC);

    return hmachash;
}
开发者ID:code-mx，项目名称:amanda，代码行数:31，代码来源:s3-util.c


示例20: Qiniu_Mac_SignToken

char* Qiniu_Mac_SignToken(Qiniu_Mac* self, char* policy_str)
{
	char* token;
	char* encoded_digest;
	char digest[EVP_MAX_MD_SIZE + 1];
	unsigned int dgtlen = sizeof(digest);
	HMAC_CTX ctx;
	Qiniu_Mac mac;

	char* encoded_policy_str = Qiniu_String_Encode(policy_str);

	if (self) {
		mac = *self;
	} else {
		mac.accessKey = QINIU_ACCESS_KEY;
		mac.secretKey = QINIU_SECRET_KEY;
	}

	HMAC_CTX_init(&ctx);
	HMAC_Init_ex(&ctx, mac.secretKey, strlen(mac.secretKey), EVP_sha1(), NULL);
	HMAC_Update(&ctx, encoded_policy_str, strlen(encoded_policy_str));
	HMAC_Final(&ctx, digest, &dgtlen);
	HMAC_CTX_cleanup(&ctx);

	encoded_digest = Qiniu_Memory_Encode(digest, dgtlen);
	token = Qiniu_String_Concat(mac.accessKey, ":", encoded_digest, ":", encoded_policy_str, NULL);
	free(encoded_policy_str);
	free(encoded_digest);

	return token;
}
开发者ID:icattlecoder，项目名称:c-sdk，代码行数:31，代码来源:auth_mac.c



注：本文中的HMAC_CTX_init函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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