mbedtls_ssl_tls_prf() function

TLS-PRF function for key derivation.

Syntax

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Declaration

Definition

from ssl.h:4410

int mbedtls_ssl_tls_prf(const mbedtls_tls_prf_types prf, const unsigned char *secret, size_t slen, const char *label, const unsigned char *random, size_t rlen, unsigned char *dstbuf, size_t dlen);

Implemented in ssl_tls.c:884

Arguments

Argument

Description

prf

The tls_prf type function type to be used.

secret

Secret for the key derivation function.

slen

Length of the secret.

label

String label for the key derivation function, terminated with null character.

random

Random bytes.

rlen

Length of the random bytes buffer.

dstbuf

The buffer holding the derived key.

dlen

Length of the output buffer.

Return value

0 on success. An SSL specific error on failure.

Examples

References

from examples

mbedtls_ssl_tls_prf() function

Syntax

Arguments

Return value

Examples

References

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