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otPlatCryptoHkdfExpand() function
Perform HKDF Expand step.
Syntax
otError otPlatCryptoHkdfExpand(otCryptoContext *aContext,
const uint8_t *aInfo,
uint16_t aInfoLength,
uint8_t *aOutputKey,
uint16_t aOutputKeyLength);
Implemented in ![]()
crypto_platform.cpp:248
Return value
OT_ERROR_NONE HKDF Expand was successful. OT_ERROR_FAILED HKDF Expand failed. OT_ERROR_INVALID_ARGS @p aContext was NULL
Related Functions
Found 17 other functions taking a ![]()
otCryptoContext
argument:
Function
Description
Initialize the HMAC operation.
Uninitialize the HMAC operation.
Update the HMAC operation with new input.
Complete the HMAC operation.
Initialise the AES operation.
Encrypt the given data.
Free the AES context.
Initialise the HKDF context.
Uninitialize the HKDF context.
Initialise the SHA-256 operation.
Uninitialize the SHA-256 operation.
Start SHA-256 operation.
Update SHA-256 operation with new input.
Finish SHA-256 operation.
Start HMAC operation.
Set the key for AES operation.
Perform HKDF Extract step.