188     if( ctx == NULL || ctx->md_info == NULL )  in mbedtls_md_free()
192         ctx->md_info->ctx_free_func( ctx->md_ctx );  in mbedtls_md_free()
196         mbedtls_zeroize( ctx->hmac_ctx, 2 * ctx->md_info->block_size );  in mbedtls_md_free()
206     if( dst == NULL || dst->md_info == NULL ||  in mbedtls_md_clone()
207         src == NULL || src->md_info == NULL ||  in mbedtls_md_clone()
208         dst->md_info != src->md_info )  in mbedtls_md_clone()
213     dst->md_info->clone_func( dst->md_ctx, src->md_ctx );  in mbedtls_md_clone()
219 int mbedtls_md_init_ctx( mbedtls_md_context_t *ctx, const mbedtls_md_info_t *md_info )  in mbedtls_md_init_ctx()  argument
221     return mbedtls_md_setup( ctx, md_info, 1 );  in mbedtls_md_init_ctx()
225 int mbedtls_md_setup( mbedtls_md_context_t *ctx, const mbedtls_md_info_t *md_info, int hmac )  in mbedtls_md_setup()  argument
227     if( md_info == NULL || ctx == NULL )  in mbedtls_md_setup()
230     if( ( ctx->md_ctx = md_info->ctx_alloc_func() ) == NULL )  in mbedtls_md_setup()
235         ctx->hmac_ctx = mbedtls_calloc( 2, md_info->block_size );  in mbedtls_md_setup()
238             md_info->ctx_free_func( ctx->md_ctx );  in mbedtls_md_setup()
243     ctx->md_info = md_info;  in mbedtls_md_setup()
250     if( ctx == NULL || ctx->md_info == NULL )  in mbedtls_md_starts()
253     ctx->md_info->starts_func( ctx->md_ctx );  in mbedtls_md_starts()
260     if( ctx == NULL || ctx->md_info == NULL )  in mbedtls_md_update()
263     ctx->md_info->update_func( ctx->md_ctx, input, ilen );  in mbedtls_md_update()
270     if( ctx == NULL || ctx->md_info == NULL )  in mbedtls_md_finish()
273     ctx->md_info->finish_func( ctx->md_ctx, output );  in mbedtls_md_finish()
278 int mbedtls_md( const mbedtls_md_info_t *md_info, const unsigned char *input, size_t ilen,  in mbedtls_md()  argument
281     if( md_info == NULL )  in mbedtls_md()
284     md_info->digest_func( input, ilen, output );  in mbedtls_md()
290 int mbedtls_md_file( const mbedtls_md_info_t *md_info, const char *path, unsigned char *output )  in mbedtls_md_file()  argument
298     if( md_info == NULL )  in mbedtls_md_file()
306     if( ( ret = mbedtls_md_setup( &ctx, md_info, 0 ) ) != 0 )  in mbedtls_md_file()
309     md_info->starts_func( ctx.md_ctx );  in mbedtls_md_file()
312         md_info->update_func( ctx.md_ctx, buf, n );  in mbedtls_md_file()
320     md_info->finish_func( ctx.md_ctx, output );  in mbedtls_md_file()
336     if( ctx == NULL || ctx->md_info == NULL || ctx->hmac_ctx == NULL )  in mbedtls_md_hmac_starts()
339     if( keylen > (size_t) ctx->md_info->block_size )  in mbedtls_md_hmac_starts()
341         ctx->md_info->starts_func( ctx->md_ctx );  in mbedtls_md_hmac_starts()
342         ctx->md_info->update_func( ctx->md_ctx, key, keylen );  in mbedtls_md_hmac_starts()
343         ctx->md_info->finish_func( ctx->md_ctx, sum );  in mbedtls_md_hmac_starts()
345         keylen = ctx->md_info->size;  in mbedtls_md_hmac_starts()
350     opad = (unsigned char *) ctx->hmac_ctx + ctx->md_info->block_size;  in mbedtls_md_hmac_starts()
352     memset( ipad, 0x36, ctx->md_info->block_size );  in mbedtls_md_hmac_starts()
353     memset( opad, 0x5C, ctx->md_info->block_size );  in mbedtls_md_hmac_starts()
363     ctx->md_info->starts_func( ctx->md_ctx );  in mbedtls_md_hmac_starts()
364     ctx->md_info->update_func( ctx->md_ctx, ipad, ctx->md_info->block_size );  in mbedtls_md_hmac_starts()
371     if( ctx == NULL || ctx->md_info == NULL || ctx->hmac_ctx == NULL )  in mbedtls_md_hmac_update()
374     ctx->md_info->update_func( ctx->md_ctx, input, ilen );  in mbedtls_md_hmac_update()
384     if( ctx == NULL || ctx->md_info == NULL || ctx->hmac_ctx == NULL )  in mbedtls_md_hmac_finish()
387     opad = (unsigned char *) ctx->hmac_ctx + ctx->md_info->block_size;  in mbedtls_md_hmac_finish()
389     ctx->md_info->finish_func( ctx->md_ctx, tmp );  in mbedtls_md_hmac_finish()
390     ctx->md_info->starts_func( ctx->md_ctx );  in mbedtls_md_hmac_finish()
391     ctx->md_info->update_func( ctx->md_ctx, opad, ctx->md_info->block_size );  in mbedtls_md_hmac_finish()
392     ctx->md_info->update_func( ctx->md_ctx, tmp, ctx->md_info->size );  in mbedtls_md_hmac_finish()
393     ctx->md_info->finish_func( ctx->md_ctx, output );  in mbedtls_md_hmac_finish()
402     if( ctx == NULL || ctx->md_info == NULL || ctx->hmac_ctx == NULL )  in mbedtls_md_hmac_reset()
407     ctx->md_info->starts_func( ctx->md_ctx );  in mbedtls_md_hmac_reset()
408     ctx->md_info->update_func( ctx->md_ctx, ipad, ctx->md_info->block_size );  in mbedtls_md_hmac_reset()
413 int mbedtls_md_hmac( const mbedtls_md_info_t *md_info, const unsigned char *key, size_t keylen,  in mbedtls_md_hmac()  argument
420     if( md_info == NULL )  in mbedtls_md_hmac()
425     if( ( ret = mbedtls_md_setup( &ctx, md_info, 1 ) ) != 0 )  in mbedtls_md_hmac()
439     if( ctx == NULL || ctx->md_info == NULL )  in mbedtls_md_process()
442     ctx->md_info->process_func( ctx->md_ctx, data );  in mbedtls_md_process()
447 unsigned char mbedtls_md_get_size( const mbedtls_md_info_t *md_info )  in mbedtls_md_get_size()  argument
449     if( md_info == NULL )  in mbedtls_md_get_size()
452     return md_info->size;  in mbedtls_md_get_size()
455 mbedtls_md_type_t mbedtls_md_get_type( const mbedtls_md_info_t *md_info )  in mbedtls_md_get_type()  argument
457     if( md_info == NULL )  in mbedtls_md_get_type()
460     return md_info->type;  in mbedtls_md_get_type()
463 const char *mbedtls_md_get_name( const mbedtls_md_info_t *md_info )  in mbedtls_md_get_name()  argument
465     if( md_info == NULL )  in mbedtls_md_get_name()
468     return md_info->name;  in mbedtls_md_get_name()