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SourceVuESP-IDF Framework and ExamplesmbedTLSmbedtls_psa_ecp_export_key()

mbedtls_psa_ecp_export_key() function

Export an ECP key to export representation

Syntax

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Summary

Declaration

Definition

from psa_crypto_ecp.h:88

psa_status_t mbedtls_psa_ecp_export_key(psa_key_type_t type, mbedtls_ecp_keypair *ecp, uint8_t *data, size_t data_size, size_t *data_length);

Implemented in psa_crypto_ecp.c:251

Arguments

Argument

Description

type

The type of key (public/private) to export

ecp

The internal ECP representation from which to export

data

The buffer to export to

data_size

The length of the buffer to export to

data_length

The amount of bytes written to \p data

References

Code

Location

Referrer

psa_status_t mbedtls_psa_ecp_export_key(psa_key_type_t type,

psa_crypto_ecp.c:251

psa_status_t mbedtls_psa_ecp_export_key(psa_key_type_t type,

psa_crypto_ecp.h:88

status = mbedtls_psa_ecp_export_key(attributes->type,

psa_crypto_ecp.c:238

mbedtls_psa_ecp_import_key()

status = mbedtls_psa_ecp_export_key(

psa_crypto_ecp.c:305

mbedtls_psa_ecp_export_public_key()

Call Tree

mbedtls_psa_ecp_export_key() is called by 2 functions and calls 5 functions:

mbedtls_psa_ecp_import_key()

mbedtls_psa_ecp_export_public_key()

mbedtls_psa_ecp_export_key()

mbedtls_ecp_is_zero()

mbedtls_ecp_point_write_binary()

mbedtls_ecp_mul()

mbedtls_ecp_write_key_ext()

mbedtls_to_psa_error()

Data Use

mbedtls_psa_ecp_export_key() reads 2 variables:

mbedtls_ecp_keypair::grp

mbedtls_psa_get_random()

mbedtls_psa_ecp_export_key()

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