crypto/evp/digest.c

30     if (ctx->digest != NULL) {
31         if (ctx->digest->cleanup != NULL
33             ctx->digest->cleanup(ctx);
34         if (ctx->md_data != NULL && ctx->digest->ctx_size > 0
37             OPENSSL_clear_free(ctx->md_data, ctx->digest->ctx_size);
46         if (ctx->digest != NULL && ctx->digest->freectx != NULL)
47             ctx->digest->freectx(ctx->algctx);
60         ctx->digest = NULL;
67     /* Non legacy code, this has to be later than the ctx->digest cleaning */
173         if (!ossl_assert(ctx->digest != NULL)) {
177         if (ctx->digest->freectx != NULL)
178             ctx->digest->freectx(ctx->algctx);
185         if (ctx->digest == NULL) {
189         type = ctx->digest;
200     if (ctx->engine && ctx->digest &&
201         (type == NULL || (type->type == ctx->digest->type)))
229             || (type == NULL && ctx->digest != NULL
230                              && ctx->digest->origin == EVP_ORIG_METH)) {
231         if (ctx->digest == ctx->fetched_digest)
232             ctx->digest = NULL;
248         /* The NULL digest is a special case */
263     if (ctx->algctx != NULL && ctx->digest != NULL && ctx->digest != type) {
264         if (ctx->digest->freectx != NULL)
265             ctx->digest->freectx(ctx->algctx);
276     ctx->digest = type;
278         ctx->algctx = ctx->digest->newctx(ossl_provider_ctx(type->prov));
285     if (ctx->digest->dinit == NULL) {
290     return ctx->digest->dinit(ctx->algctx, params);
315             /* We'll use the ENGINE's private digest definition */
326     if (ctx->digest != type) {
329         ctx->digest = type;
355     return ctx->digest->init(ctx);
399     if (ctx->digest == NULL
400             || ctx->digest->prov == NULL
404     if (ctx->digest->dupdate == NULL) {
408     return ctx->digest->dupdate(ctx->algctx, data, count);
431     if (ctx->digest == NULL)
434     sz = EVP_MD_get_size(ctx->digest);
438     if (ctx->digest->prov == NULL)
441     if (ctx->digest->dfinal == NULL) {
446     ret = ctx->digest->dfinal(ctx->algctx, md, &size, mdsize);
462     ret = ctx->digest->final(ctx, md);
465     if (ctx->digest->cleanup) {
466         ctx->digest->cleanup(ctx);
469     OPENSSL_cleanse(ctx->md_data, ctx->digest->ctx_size);
479     if (ctx->digest == NULL) {
484     if (ctx->digest->prov == NULL)
487     if (ctx->digest->dfinal == NULL) {
496         ret = ctx->digest->dfinal(ctx->algctx, md, &size, size);
501     if (ctx->digest->flags & EVP_MD_FLAG_XOF
503         && ctx->digest->md_ctrl(ctx, EVP_MD_CTRL_XOF_LEN, (int)size, NULL)) {
504         ret = ctx->digest->final(ctx, md);
505         if (ctx->digest->cleanup != NULL) {
506             ctx->digest->cleanup(ctx);
509         OPENSSL_cleanse(ctx->md_data, ctx->digest->ctx_size);
533     if (in->digest == NULL) {
534         /* copying uninitialized digest context */
542     if (in->digest->prov == NULL
546     if (in->digest->dupctx == NULL) {
564         out->algctx = in->digest->dupctx(in->algctx);
590     /* Make sure it's safe to copy a digest context using an ENGINE */
597     if (out->digest == in->digest) {
615     if (in->md_data && out->digest->ctx_size) {
619             out->md_data = OPENSSL_malloc(out->digest->ctx_size);
625         memcpy(out->md_data, in->md_data, out->digest->ctx_size);
640     if (out->digest->copy)
641         return out->digest->copy(out, in);
668     EVP_MD *digest = EVP_MD_fetch(libctx, name, propq);
672     if (digest != NULL) {
673         ret = EVP_Digest(data, datalen, md, &temp, digest, NULL);
674         EVP_MD_free(digest);
681 int EVP_MD_get_params(const EVP_MD *digest, OSSL_PARAM params[])
683     if (digest != NULL && digest->get_params != NULL)
684         return digest->get_params(params);
688 const OSSL_PARAM *EVP_MD_gettable_params(const EVP_MD *digest)
690     if (digest != NULL && digest->gettable_params != NULL)
691         return digest->gettable_params(
692                            ossl_provider_ctx(EVP_MD_get0_provider(digest)));
709     if (ctx->digest != NULL && ctx->digest->set_ctx_params != NULL)
710         return ctx->digest->set_ctx_params(ctx->algctx, params);
744     if (ctx->digest != NULL && ctx->digest->settable_ctx_params != NULL) {
745         alg = ossl_provider_ctx(EVP_MD_get0_provider(ctx->digest));
746         return ctx->digest->settable_ctx_params(ctx->algctx, alg);
765     if (ctx->digest != NULL && ctx->digest->get_ctx_params != NULL)
766         return ctx->digest->get_ctx_params(ctx->algctx, params);
800     if (ctx->digest != NULL && ctx->digest->gettable_ctx_params != NULL) {
801         provctx = ossl_provider_ctx(EVP_MD_get0_provider(ctx->digest));
802         return ctx->digest->gettable_ctx_params(ctx->algctx, provctx);
819     if (ctx->digest != NULL && ctx->digest->prov == NULL)
849     if (ctx->digest->md_ctrl == NULL) {
854     ret = ctx->digest->md_ctrl(ctx, cmd, p1, p2);
992             if (md->digest == NULL)
993                 md->digest = OSSL_FUNC_digest_digest(fns);
1035         || (fncnt == 0 && md->digest == NULL)) {
1039          * The "digest" function can standalone. We at least need one way to