+ const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey)
+{
+ return do_sigver_init(ctx, pctx, type, e, pkey, 1);
+}
+
+int EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
+ size_t *siglen)
+{
+ int sctx = 0, r = 0;
+ EVP_PKEY_CTX *pctx = ctx->pctx;
+ if (pctx->pmeth->flags & EVP_PKEY_FLAG_SIGCTX_CUSTOM) {
+ if (!sigret)
+ return pctx->pmeth->signctx(pctx, sigret, siglen, ctx);
+ if (ctx->flags & EVP_MD_CTX_FLAG_FINALISE)
+ r = pctx->pmeth->signctx(pctx, sigret, siglen, ctx);
+ else {
+ EVP_PKEY_CTX *dctx = EVP_PKEY_CTX_dup(ctx->pctx);
+ if (!dctx)
+ return 0;
+ r = dctx->pmeth->signctx(dctx, sigret, siglen, ctx);
+ EVP_PKEY_CTX_free(dctx);
+ }
+ return r;
+ }
+ if (pctx->pmeth->signctx)
+ sctx = 1;
+ else
+ sctx = 0;
+ if (sigret) {
+ unsigned char md[EVP_MAX_MD_SIZE];
+ unsigned int mdlen = 0;
+ if (ctx->flags & EVP_MD_CTX_FLAG_FINALISE) {
+ if (sctx)
+ r = ctx->pctx->pmeth->signctx(ctx->pctx, sigret, siglen, ctx);
+ else
+ r = EVP_DigestFinal_ex(ctx, md, &mdlen);
+ } else {
+ EVP_MD_CTX *tmp_ctx = EVP_MD_CTX_new();
+ if (tmp_ctx == NULL)
+ return 0;
+ if (!EVP_MD_CTX_copy_ex(tmp_ctx, ctx)) {
+ EVP_MD_CTX_free(tmp_ctx);
+ return 0;
+ }
+ if (sctx)
+ r = tmp_ctx->pctx->pmeth->signctx(tmp_ctx->pctx,
+ sigret, siglen, tmp_ctx);
+ else
+ r = EVP_DigestFinal_ex(tmp_ctx, md, &mdlen);
+ EVP_MD_CTX_free(tmp_ctx);
+ }
+ if (sctx || !r)
+ return r;
+ if (EVP_PKEY_sign(ctx->pctx, sigret, siglen, md, mdlen) <= 0)
+ return 0;
+ } else {
+ if (sctx) {
+ if (pctx->pmeth->signctx(pctx, sigret, siglen, ctx) <= 0)
+ return 0;
+ } else {
+ int s = EVP_MD_size(ctx->digest);
+ if (s < 0 || EVP_PKEY_sign(pctx, sigret, siglen, NULL, s) <= 0)
+ return 0;
+ }
+ }
+ return 1;
+}
+
+int EVP_DigestSign(EVP_MD_CTX *ctx, unsigned char *sigret, size_t *siglen,
+ const unsigned char *tbs, size_t tbslen)
+{
+ if (ctx->pctx->pmeth->digestsign != NULL)
+ return ctx->pctx->pmeth->digestsign(ctx, sigret, siglen, tbs, tbslen);
+ if (sigret != NULL && EVP_DigestSignUpdate(ctx, tbs, tbslen) <= 0)
+ return 0;
+ return EVP_DigestSignFinal(ctx, sigret, siglen);
+}