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SourceVuESP-IDF Framework and ExamplesmbedTLSmbedtls_aes_cmac_prf_128()

mbedtls_aes_cmac_prf_128() function

This function implements the AES-CMAC-PRF-128 pseudorandom function, as defined in RFC-4615: The Advanced Encryption Standard-Cipher-based Message Authentication Code-Pseudo-Random Function-128 (AES-CMAC-PRF-128) Algorithm for the Internet Key Exchange Protocol (IKE).

Syntax

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Summary

Declaration

from cmac.h:220

int mbedtls_aes_cmac_prf_128(const unsigned char *key, size_t key_len, const unsigned char *input, size_t in_len, unsigned char output[16]);

Arguments

Argument

Declared as

Description

key

const unsigned char *

The key to use.

key_len

size_t

The key length in Bytes.

input

const unsigned char *

The buffer holding the input data.

in_len

size_t

The length of the input data in Bytes.

output

unsigned char[16]

The buffer holding the generated 16 Bytes of pseudorandom output.

Return value

\c 0 on success.

Examples

mbedtls_aes_cmac_prf_128() is referenced by 1 libraries and example projects:

References

from 0/1 examples

Code

Location

Referrer

int mbedtls_aes_cmac_prf_128(const unsigned char *key, size_t key_length,

int mbedtls_aes_cmac_prf_128(const unsigned char *key, size_t key_len,

ret = mbedtls_aes_cmac_prf_128(PRFK, PRFKlen[i], PRFM, 20, output);

test_aes128_cmac_prf()

Call Tree

from 0/1 examples

mbedtls_aes_cmac_prf_128() is called by 1 function and calls 3 functions:

test_aes128_cmac_prf()

mbedtls_aes_cmac_prf_128()

mbedtls_cipher_cmac()

mbedtls_platform_zeroize()

mbedtls_cipher_info_from_type()

Data Use

from 0/1 examples

mbedtls_aes_cmac_prf_128() reads 1 variable:

mbedtls_cipher_type_t::MBEDTLS_CIPHER_AES_128_ECB

mbedtls_aes_cmac_prf_128()

Class Tree

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Override Tree

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Implementations

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Instances

from 0/1 examples

Lifecycle

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