otPlatCryptoRandomGet() function

Fills a given buffer with cryptographically secure random bytes.

Syntax

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Summary

Declaration

Definition

from crypto.h:545

otError otPlatCryptoRandomGet(uint8_t *aBuffer, uint16_t aSize);

Implemented in crypto_platform.cpp:488

Arguments

Argument

Description

aBuffer

A pointer to a buffer to fill with the random bytes.

aSize

Size of buffer (number of bytes to fill).

Return value

OT_ERROR_NONE Successfully filled buffer with random values. OT_ERROR_FAILED Operation failed.

References

Code

Location

Scope

Referrer

OT_TOOL_WEAK otError otPlatCryptoRandomGet(uint8_t *aBuffer, uint16_t aSize)

crypto_platform.cpp:488

otError otPlatCryptoRandomGet(uint8_t *aBuffer, uint16_t aSize);

crypto.h:545

static Error CryptoFillBuffer(uint8_t *aBuffer, uint16_t aSize) { return otPlatCryptoRandomGet(aBuffer, aSize); }

random.hpp:83

ot::Random::Manager

ot::Random::Manager::CryptoFillBuffer()

Call Tree

otPlatCryptoRandomGet() is called by 1 function and calls 2 functions:

ot::Random::Manager::CryptoFillBuffer()

otPlatCryptoRandomGet()

mbedtls_ctr_drbg_random()

ot::Crypto::MbedTls::MapError()

Data Use

otPlatCryptoRandomGet():

otPlatCryptoRandomGet()

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