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New function mbedtls_ecjpake_set_point_format

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Use this instead of accessing the field directly.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2021-05-27 23:17:34 +02:00
parent 71acc6e8d9
commit cd07e22048
5 changed files with 37 additions and 2 deletions
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14
library/ecjpake.c
View file

@ -128,6 +128,20 @@ cleanup:
return( ret );
}
int mbedtls_ecjpake_set_point_format( mbedtls_ecjpake_context *ctx,
int point_format )
{
switch( point_format )
{
case MBEDTLS_ECP_PF_UNCOMPRESSED:
case MBEDTLS_ECP_PF_COMPRESSED:
ctx->point_format = point_format;
return( 0 );
default:
return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
}
}
/*
* Check if context is ready for use
*/

3
library/ssl_cli.c
View file

@ -1663,7 +1663,8 @@ static int ssl_parse_supported_point_formats_ext( mbedtls_ssl_context *ssl,
ssl->handshake->ecdh_ctx.point_format = p[0];
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
ssl->handshake->ecjpake_ctx.point_format = p[0];
mbedtls_ecjpake_set_point_format( &ssl->handshake->ecjpake_ctx,
p[0] );
#endif
MBEDTLS_SSL_DEBUG_MSG( 4, ( "point format selected: %d", p[0] ) );
return( 0 );

3
library/ssl_srv.c
View file

@ -407,7 +407,8 @@ static int ssl_parse_supported_point_formats( mbedtls_ssl_context *ssl,
ssl->handshake->ecdh_ctx.point_format = p[0];
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
ssl->handshake->ecjpake_ctx.point_format = p[0];
mbedtls_ecjpake_set_point_format( &ssl->handshake->ecjpake_ctx,
p[0] );
#endif
MBEDTLS_SSL_DEBUG_MSG( 4, ( "point format selected: %d", p[0] ) );
return( 0 );