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SourceVuESP-IDF Framework and ExamplesmbedTLSmbedtls_ecjpake_write_round_one()

mbedtls_ecjpake_write_round_one() function

Generate and write the first round message (TLS: contents of the Client/ServerHello extension, excluding extension type and length bytes).

Syntax

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Summary

Declaration

from ecjpake.h:163

int mbedtls_ecjpake_write_round_one(mbedtls_ecjpake_context *ctx, unsigned char *buf, size_t len, size_t *olen, int (*f_rng)(void *, unsigned char *, size_t), void *p_rng);

Arguments

Argument

Declared as

Description

ctx

mbedtls_ecjpake_context *

The ECJPAKE context to use. This must be initialized and set up.

buf

unsigned char *

The buffer to write the contents to. This must be a writable buffer of length \p len Bytes.

len

size_t

The length of \p buf in Bytes.

olen

size_t *

The address at which to store the total number of Bytes written to \p buf. This must not be \c NULL.

f_rng

int (*)(void *, unsigned char *, size_t)

The RNG function to use. This must not be \c NULL.

p_rng

void *

The RNG parameter to be passed to \p f_rng. This may be \c NULL if \p f_rng doesn't use a context.

Return value

\c 0 if successful. A negative error code on failure.

References

Code

Location

Referrer

int mbedtls_ecjpake_write_round_one(mbedtls_ecjpake_context *ctx,

ecjpake.c:529

int mbedtls_ecjpake_write_round_one(mbedtls_ecjpake_context *ctx,

ecjpake.h:163

TEST_ASSERT(mbedtls_ecjpake_write_round_one(&cli,

ecjpake.c:1086

mbedtls_ecjpake_self_test()

TEST_ASSERT(mbedtls_ecjpake_write_round_one(&srv,

ecjpake.c:1091

mbedtls_ecjpake_self_test()

ret = mbedtls_ecjpake_write_round_one(&operation->ctx.jpake,

psa_crypto_pake.c:311

mbedtls_psa_pake_output_internal()

ret = mbedtls_ecjpake_write_round_one(&ssl->handshake->ecjpake_ctx,

ssl_tls12_client.c:178

ssl_write_ecjpake_kkpp_ext()

ret = mbedtls_ecjpake_write_round_one(&ssl->handshake->ecjpake_ctx,

ssl_tls12_server.c:1963

ssl_write_ecjpake_kkpp_ext()

Call Tree

mbedtls_ecjpake_write_round_one() is called by 4 functions and calls 1 function:

mbedtls_ecjpake_self_test()

mbedtls_psa_pake_output_internal()

ssl_write_ecjpake_kkpp_ext()

mbedtls_ecjpake_write_round_one()

ecjpake_kkpp_write()

Data Use

mbedtls_ecjpake_write_round_one() reads 5 variables:

mbedtls_ecjpake_context::md_type

mbedtls_ecjpake_context::grp

mbedtls_ecjpake_context::role

mbedtls_ecjpake_context::point_format

ecjpake_id

mbedtls_ecjpake_write_round_one()

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mbedtls_ecjpake_write_round_one() function

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