mbedtls_ecp_read_key() function

This function reads an elliptic curve private key.

Syntax

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Declaration

Definition

from ecp.h:1285

int mbedtls_ecp_read_key(mbedtls_ecp_group_id grp_id, mbedtls_ecp_keypair *key, const unsigned char *buf, size_t buflen);

Implemented in ecp.c:3290

Arguments

Argument

Description

grp_id

The ECP group identifier.

key

The destination key.

buf

The buffer containing the binary representation of the key. (Big endian integer for Weierstrass curves, byte string for Montgomery curves.)

buflen

The length of the buffer in bytes.

Return value

\c 0 on success. #MBEDTLS_ERR_ECP_INVALID_KEY error if the key is invalid. #MBEDTLS_ERR_MPI_ALLOC_FAILED if memory allocation failed. #MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE if the operation for the group is not implemented. Another negative error code on different kinds of failure.

mbedtls_ecp_read_key() function

Syntax

Arguments

Return value

Notes

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