harmony 鸿蒙crypto_sym_key.h
crypto_sym_key.h
Overview
Provides APIs for symmetric key operations.
Library: libohcrypto.so
System capability: SystemCapability.Security.CryptoFramework
Since: 12
Related module: CryptoSymKeyApi
Summary
Types
| Name | Description |
|---|---|
| typedef struct OH_CryptoSymKey OH_CryptoSymKey | Defines a struct for a symmetric key. |
| typedef struct OH_CryptoSymKeyGenerator OH_CryptoSymKeyGenerator | Defines a struct for a symmetric key generator. |
Functions
| Name | Description |
|---|---|
| OH_Crypto_ErrCode OH_CryptoSymKeyGenerator_Create (const char *algoName, OH_CryptoSymKeyGenerator **ctx) | Creates a symmetric key generator instance based on the given algorithm name. |
| OH_Crypto_ErrCode OH_CryptoSymKeyGenerator_Generate (OH_CryptoSymKeyGenerator *ctx, OH_CryptoSymKey **keyCtx) | Randomly generates a symmetric key. |
| OH_Crypto_ErrCode OH_CryptoSymKeyGenerator_Convert (OH_CryptoSymKeyGenerator *ctx, const Crypto_DataBlob *keyData, OH_CryptoSymKey **keyCtx) | Converts binary data into a symmetric key. |
| const char * OH_CryptoSymKeyGenerator_GetAlgoName (OH_CryptoSymKeyGenerator *ctx) | Obtains the algorithm of a symmetric key generator instance. |
| void OH_CryptoSymKeyGenerator_Destroy (OH_CryptoSymKeyGenerator *ctx) | Destroys a symmetric key generator instance. |
| const char * OH_CryptoSymKey_GetAlgoName (OH_CryptoSymKey *keyCtx) | Obtains the algorithm of a symmetric key. |
| OH_Crypto_ErrCode OH_CryptoSymKey_GetKeyData (OH_CryptoSymKey *keyCtx, Crypto_DataBlob *out) | Obtains symmetric key data from a key instance. |
| void OH_CryptoSymKey_Destroy (OH_CryptoSymKey *keyCtx) | Destroys a symmetric key instance. |
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