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Add implemetation of ECP keypair export function

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Signed-off-by: Przemek Stekiel <przemyslaw.stekiel@mobica.com>
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Przemek Stekiel
2022-03-18 13:52:26 +01:00
parent 8d4bc5eeb9
commit 711d0f5e29
2 changed files with 44 additions and 0 deletions
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24
library/ecp.c
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@ -3356,6 +3356,30 @@ cleanup:
return( ret );
}
/*
* Export generic key-pair parameters.
*/
int mbedtls_ecp_export(const mbedtls_ecp_keypair *key, mbedtls_ecp_group *grp,
mbedtls_mpi *d, mbedtls_ecp_point *Q)
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
ECP_VALIDATE_RET( key != NULL );
ECP_VALIDATE_RET( grp != NULL );
ECP_VALIDATE_RET( d != NULL );
ECP_VALIDATE_RET( Q != NULL );
if( ( ret = mbedtls_ecp_group_copy( grp, &key->grp ) ) != 0 )
return ret;
if( ( ret = mbedtls_mpi_copy( d, &key->d ) ) != 0 )
return ret;
if( ( ret = mbedtls_ecp_copy( Q, &key->Q ) ) != 0 )
return ret;
return 0;
}
#if defined(MBEDTLS_SELF_TEST)
/*