有什么网站可以接单做兼职的,大连优化排名推广,哈尔滨网页设计师,石家庄网站外包加解密(C/C)
以AES 256密钥为例#xff0c;完成加解密。具体的场景介绍及支持的算法规格。
在CMake脚本中链接相关动态库 target_link_libraries(entry PUBLIC libhuks_ndk.z.so)开发步骤
生成密钥
指定密钥别名。初始化密钥属性集。调用OH_Huks_GenerateKeyItem生成密钥)…加解密(C/C)
以AES 256密钥为例完成加解密。具体的场景介绍及支持的算法规格。
在CMake脚本中链接相关动态库 target_link_libraries(entry PUBLIC libhuks_ndk.z.so)开发步骤
生成密钥
指定密钥别名。初始化密钥属性集。调用OH_Huks_GenerateKeyItem生成密钥)。开发前请熟悉鸿蒙开发指导文档gitee.com/li-shizhen-skin/harmony-os/blob/master/README.md点击或者复制转到。
除此之外开发者也可以参考[密钥导入]导入已有的密钥。
加密
获取密钥别名。获取待加密的数据。调用[OH_Huks_InitParamSet]指定算法参数配置。 在下方示例中使用算法AES进行加密时必须要选择其对应分组模式以及填充模式用例中选取的分组模式为CBC、填充模式为PKCS7此时必须要填参数IV。调用[OH_Huks_InitSession]初始化密钥会话并获取会话的句柄handle。调用[OH_Huks_FinishSession]结束密钥会话获取加密后的密文。
解密
获取密钥别名。获取待解密的密文。调用[OH_Huks_InitParamSet]指定算法参数配置。 在下方示例中使用算法AES进行解密时必须要选择其对应分组模式以及填充模式用例中选取的分组模式为CBC、填充模式为PKCS7此时必须要填参数IV。调用[OH_Huks_InitSession]初始化密钥会话并获取会话的句柄handle。调用[OH_Huks_FinishSession]结束密钥会话获取解密后的数据。HarmonyOS与OpenHarmony鸿蒙文档籽料mau123789是v直接拿 删除密钥
当密钥废弃不用时需要调用OH_Huks_DeleteKeyItem删除密钥。
#include huks/native_huks_api.h
#include huks/native_huks_param.h
#include string.h
OH_Huks_Result InitParamSet(struct OH_Huks_ParamSet **paramSet,const struct OH_Huks_Param *params,uint32_t paramCount)
{OH_Huks_Result ret OH_Huks_InitParamSet(paramSet);if (ret.errorCode ! OH_HUKS_SUCCESS) {return ret;}ret OH_Huks_AddParams(*paramSet, params, paramCount);if (ret.errorCode ! OH_HUKS_SUCCESS) {OH_Huks_FreeParamSet(paramSet);return ret;}ret OH_Huks_BuildParamSet(paramSet);if (ret.errorCode ! OH_HUKS_SUCCESS) {OH_Huks_FreeParamSet(paramSet);return ret;}return ret;
}
static const uint32_t IV_SIZE 16;
static uint8_t IV[IV_SIZE] { 0 }; // this is a test value, for real use the iv should be different every time
static struct OH_Huks_Param g_genEncDecParams[] {{.tag OH_HUKS_TAG_ALGORITHM,.uint32Param OH_HUKS_ALG_AES}, {.tag OH_HUKS_TAG_PURPOSE,.uint32Param OH_HUKS_KEY_PURPOSE_ENCRYPT | OH_HUKS_KEY_PURPOSE_DECRYPT}, {.tag OH_HUKS_TAG_KEY_SIZE,.uint32Param OH_HUKS_AES_KEY_SIZE_256}, {.tag OH_HUKS_TAG_PADDING,.uint32Param OH_HUKS_PADDING_NONE}, {.tag OH_HUKS_TAG_BLOCK_MODE,.uint32Param OH_HUKS_MODE_CBC}
};
static struct OH_Huks_Param g_encryptParams[] {{.tag OH_HUKS_TAG_ALGORITHM,.uint32Param OH_HUKS_ALG_AES}, {.tag OH_HUKS_TAG_PURPOSE,.uint32Param OH_HUKS_KEY_PURPOSE_ENCRYPT}, {.tag OH_HUKS_TAG_KEY_SIZE,.uint32Param OH_HUKS_AES_KEY_SIZE_256}, {.tag OH_HUKS_TAG_PADDING,.uint32Param OH_HUKS_PADDING_NONE}, {.tag OH_HUKS_TAG_BLOCK_MODE,.uint32Param OH_HUKS_MODE_CBC}, {.tag OH_HUKS_TAG_IV,.blob {.size IV_SIZE,.data (uint8_t *)IV // this is a test value, for real use the iv should be different every time }}
};
static struct OH_Huks_Param g_decryptParams[] {{.tag OH_HUKS_TAG_ALGORITHM,.uint32Param OH_HUKS_ALG_AES}, {.tag OH_HUKS_TAG_PURPOSE,.uint32Param OH_HUKS_KEY_PURPOSE_DECRYPT}, {.tag OH_HUKS_TAG_KEY_SIZE,.uint32Param OH_HUKS_AES_KEY_SIZE_256}, {.tag OH_HUKS_TAG_PADDING,.uint32Param OH_HUKS_PADDING_NONE}, {.tag OH_HUKS_TAG_BLOCK_MODE,.uint32Param OH_HUKS_MODE_CBC}, {.tag OH_HUKS_TAG_IV,.blob {.size IV_SIZE,.data (uint8_t *)IV // this is a test value, for real use the iv should be different every time }}
};
static const uint32_t AES_COMMON_SIZE 1024;
OH_Huks_Result HksAesCipherTestEncrypt(const struct OH_Huks_Blob *keyAlias,const struct OH_Huks_ParamSet *encryptParamSet, const struct OH_Huks_Blob *inData, struct OH_Huks_Blob *cipherText)
{uint8_t handleE[sizeof(uint64_t)] {0};struct OH_Huks_Blob handleEncrypt {sizeof(uint64_t), handleE};OH_Huks_Result ret OH_Huks_InitSession(keyAlias, encryptParamSet, handleEncrypt, nullptr);if (ret.errorCode ! OH_HUKS_SUCCESS) {return ret;}ret OH_Huks_FinishSession(handleEncrypt, encryptParamSet, inData, cipherText);return ret;
}
OH_Huks_Result HksAesCipherTestDecrypt(const struct OH_Huks_Blob *keyAlias,const struct OH_Huks_ParamSet *decryptParamSet, const struct OH_Huks_Blob *cipherText, struct OH_Huks_Blob *plainText,const struct OH_Huks_Blob *inData)
{uint8_t handleD[sizeof(uint64_t)] {0};struct OH_Huks_Blob handleDecrypt {sizeof(uint64_t), handleD};OH_Huks_Result ret OH_Huks_InitSession(keyAlias, decryptParamSet, handleDecrypt, nullptr);if (ret.errorCode ! OH_HUKS_SUCCESS) {return ret;}ret OH_Huks_FinishSession(handleDecrypt, decryptParamSet, cipherText, plainText);return ret;
}
static napi_value EncDecKey(napi_env env, napi_callback_info info)
{char tmpKeyAlias[] test_enc_dec;struct OH_Huks_Blob keyAlias { (uint32_t)strlen(tmpKeyAlias), (uint8_t *)tmpKeyAlias };struct OH_Huks_ParamSet *genParamSet nullptr;struct OH_Huks_ParamSet *encryptParamSet nullptr;struct OH_Huks_ParamSet *decryptParamSet nullptr;OH_Huks_Result ohResult;do {/* 1. Generate Key *//** 模拟生成密钥场景* 1.1. 确定密钥别名*//** 1.2. 获取生成密钥算法参数配置*/ohResult InitParamSet(genParamSet, g_genEncDecParams, sizeof(g_genEncDecParams) / sizeof(OH_Huks_Param));if (ohResult.errorCode ! OH_HUKS_SUCCESS) {break;}/** 1.3. 调用generateKeyItem*/ohResult OH_Huks_GenerateKeyItem(keyAlias, genParamSet, nullptr);if (ohResult.errorCode ! OH_HUKS_SUCCESS) {break;}/* 2. Encrypt *//** 模拟加密场景* 2.1. 获取密钥别名*//** 2.2. 获取待加密的数据*//** 2.3. 获取加密算法参数配置*/ohResult InitParamSet(encryptParamSet, g_encryptParams, sizeof(g_encryptParams) / sizeof(OH_Huks_Param));if (ohResult.errorCode ! OH_HUKS_SUCCESS) {break;}char tmpInData[] AES_ECB_INDATA_1;struct OH_Huks_Blob inData { (uint32_t)strlen(tmpInData), (uint8_t *)tmpInData };uint8_t cipher[AES_COMMON_SIZE] {0};struct OH_Huks_Blob cipherText {AES_COMMON_SIZE, cipher};/** 2.4. 调用initSession获取handle*//** 2.5. 调用finishSession获取加密后的密文*/ohResult HksAesCipherTestEncrypt(keyAlias, encryptParamSet, inData, cipherText);if (ohResult.errorCode ! OH_HUKS_SUCCESS) {break;}/* 3. Decrypt *//** 模拟解密场景* 3.1. 获取密钥别名*//** 3.2. 获取待解密的密文*//** 3.3. 获取解密算法参数配置*/ohResult InitParamSet(decryptParamSet, g_decryptParams, sizeof(g_decryptParams) / sizeof(OH_Huks_Param));if (ohResult.errorCode ! OH_HUKS_SUCCESS) {break;}uint8_t plain[AES_COMMON_SIZE] {0};struct OH_Huks_Blob plainText {AES_COMMON_SIZE, plain};/** 3.4. 调用initSession获取handle*//** 3.5. 调用finishSession获取解密后的数据*/ohResult HksAesCipherTestDecrypt(keyAlias, decryptParamSet, cipherText, plainText, inData);} while (0);/* 4. Delete Key *//** 模拟删除密钥场景* 4.1. 获取密钥别名*//** 4.2. 调用deleteKeyItem删除密钥 */(void)OH_Huks_DeleteKeyItem(keyAlias, genParamSet);OH_Huks_FreeParamSet(genParamSet);OH_Huks_FreeParamSet(encryptParamSet);OH_Huks_FreeParamSet(decryptParamSet);napi_value ret;napi_create_int32(env, ohResult.errorCode, ret);return ret;
}
