- 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, r = 0;
- if (ctx->pctx->pmeth->signctx)
- sctx = 1;
- else
- sctx = 0;
- if (sigret)
- {
- MS_STATIC EVP_MD_CTX tmp_ctx;
- unsigned char md[EVP_MAX_MD_SIZE];
- unsigned int mdlen;
- EVP_MD_CTX_init(&tmp_ctx);
- if (!EVP_MD_CTX_copy_ex(&tmp_ctx,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_cleanup(&tmp_ctx);
- if (sctx || !r)
- return r;
- if (EVP_PKEY_sign(ctx->pctx, sigret, siglen, md, mdlen) <= 0)
- return 0;
- }
- else
- {
- if (sctx)
- {
- if (ctx->pctx->pmeth->signctx(ctx->pctx,
- sigret, siglen, ctx) <= 0)
- return 0;
- }
- else if (EVP_PKEY_sign(ctx->pctx, sigret, siglen, NULL,
- EVP_MD_size(ctx->digest)) <= 0)
- return 0;
- }
- return 1;
- }
-
-int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, unsigned char *sig, size_t siglen)
- {
- MS_STATIC EVP_MD_CTX tmp_ctx;
- unsigned char md[EVP_MAX_MD_SIZE];
- int r;
- unsigned int mdlen;
- int vctx;
- if (ctx->pctx->pmeth->signctx)
- vctx = 1;
- else
- vctx = 0;
- EVP_MD_CTX_init(&tmp_ctx);
- if (!EVP_MD_CTX_copy_ex(&tmp_ctx,ctx))
- return -1;
- if (vctx)
- {
- r = tmp_ctx.pctx->pmeth->verifyctx(tmp_ctx.pctx,
- sig, siglen, &tmp_ctx);
- }
- else
- r = EVP_DigestFinal_ex(&tmp_ctx,md,&mdlen);
- EVP_MD_CTX_cleanup(&tmp_ctx);
- if (vctx || !r)
- return r;
- return EVP_PKEY_verify(ctx->pctx, sig, siglen, md, mdlen);
- }
+ const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey)
+{
+ return do_sigver_init(ctx, pctx, type, NULL, NULL, e, pkey, NULL, 1);
+}
+#endif /* FIPS_MDOE */
+
+int EVP_DigestSignUpdate(EVP_MD_CTX *ctx, const void *data, size_t dsize)
+{
+ EVP_PKEY_CTX *pctx = ctx->pctx;
+
+ if (pctx == NULL
+ || pctx->operation != EVP_PKEY_OP_SIGNCTX
+ || pctx->op.sig.sigprovctx == NULL
+ || pctx->op.sig.signature == NULL)
+ goto legacy;
+
+ if (pctx->op.sig.signature->digest_sign_update == NULL) {
+ ERR_raise(ERR_LIB_EVP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+ return 0;
+ }
+
+ return pctx->op.sig.signature->digest_sign_update(pctx->op.sig.sigprovctx,
+ data, dsize);
+
+ legacy:
+ if (pctx != NULL) {
+ /* do_sigver_init() checked that |digest_custom| is non-NULL */
+ if (pctx->flag_call_digest_custom
+ && !ctx->pctx->pmeth->digest_custom(ctx->pctx, ctx))
+ return 0;
+ pctx->flag_call_digest_custom = 0;
+ }
+
+ return EVP_DigestUpdate(ctx, data, dsize);
+}
+
+int EVP_DigestVerifyUpdate(EVP_MD_CTX *ctx, const void *data, size_t dsize)
+{
+ EVP_PKEY_CTX *pctx = ctx->pctx;
+
+ if (pctx == NULL
+ || pctx->operation != EVP_PKEY_OP_VERIFYCTX
+ || pctx->op.sig.sigprovctx == NULL
+ || pctx->op.sig.signature == NULL)
+ goto legacy;
+
+ if (pctx->op.sig.signature->digest_verify_update == NULL) {
+ ERR_raise(ERR_LIB_EVP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+ return 0;
+ }
+
+ return pctx->op.sig.signature->digest_verify_update(pctx->op.sig.sigprovctx,
+ data, dsize);
+
+ legacy:
+ if (pctx != NULL) {
+ /* do_sigver_init() checked that |digest_custom| is non-NULL */
+ if (pctx->flag_call_digest_custom
+ && !ctx->pctx->pmeth->digest_custom(ctx->pctx, ctx))
+ return 0;
+ pctx->flag_call_digest_custom = 0;
+ }
+
+ return EVP_DigestUpdate(ctx, data, dsize);
+}
+
+#ifndef FIPS_MODULE
+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 == NULL
+ || pctx->operation != EVP_PKEY_OP_SIGNCTX
+ || pctx->op.sig.sigprovctx == NULL
+ || pctx->op.sig.signature == NULL)
+ goto legacy;
+
+ return pctx->op.sig.signature->digest_sign_final(pctx->op.sig.sigprovctx,
+ sigret, siglen, SIZE_MAX);
+
+ legacy:
+ if (pctx == NULL || pctx->pmeth == NULL) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR);
+ return 0;
+ }
+
+ /* do_sigver_init() checked that |digest_custom| is non-NULL */
+ if (pctx->flag_call_digest_custom
+ && !ctx->pctx->pmeth->digest_custom(ctx->pctx, ctx))
+ return 0;
+ pctx->flag_call_digest_custom = 0;
+
+ if (pctx->pmeth->flags & EVP_PKEY_FLAG_SIGCTX_CUSTOM) {
+ if (sigret == NULL)
+ 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(pctx);
+
+ if (dctx == NULL)
+ return 0;
+ r = dctx->pmeth->signctx(dctx, sigret, siglen, ctx);
+ EVP_PKEY_CTX_free(dctx);
+ }
+ return r;
+ }
+ if (pctx->pmeth->signctx != NULL)
+ sctx = 1;
+ else
+ sctx = 0;
+ if (sigret != NULL) {
+ unsigned char md[EVP_MAX_MD_SIZE];
+ unsigned int mdlen = 0;
+
+ if (ctx->flags & EVP_MD_CTX_FLAG_FINALISE) {
+ if (sctx)
+ r = pctx->pmeth->signctx(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(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)
+{
+ EVP_PKEY_CTX *pctx = ctx->pctx;
+
+ if (pctx != NULL
+ && pctx->operation == EVP_PKEY_OP_SIGNCTX
+ && pctx->op.sig.sigprovctx != NULL
+ && pctx->op.sig.signature != NULL) {
+ if (pctx->op.sig.signature->digest_sign != NULL)
+ return pctx->op.sig.signature->digest_sign(pctx->op.sig.sigprovctx,
+ sigret, siglen, SIZE_MAX,
+ tbs, tbslen);
+ } else {
+ /* legacy */
+ if (ctx->pctx->pmeth != NULL && 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);
+}
+
+int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sig,
+ size_t siglen)
+{
+ unsigned char md[EVP_MAX_MD_SIZE];
+ int r = 0;
+ unsigned int mdlen = 0;
+ int vctx = 0;
+ EVP_PKEY_CTX *pctx = ctx->pctx;
+
+ if (pctx == NULL
+ || pctx->operation != EVP_PKEY_OP_VERIFYCTX
+ || pctx->op.sig.sigprovctx == NULL
+ || pctx->op.sig.signature == NULL)
+ goto legacy;
+
+ return pctx->op.sig.signature->digest_verify_final(pctx->op.sig.sigprovctx,
+ sig, siglen);
+
+ legacy:
+ if (pctx == NULL || pctx->pmeth == NULL) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR);
+ return 0;
+ }
+
+ /* do_sigver_init() checked that |digest_custom| is non-NULL */
+ if (pctx->flag_call_digest_custom
+ && !ctx->pctx->pmeth->digest_custom(ctx->pctx, ctx))
+ return 0;
+ pctx->flag_call_digest_custom = 0;
+
+ if (pctx->pmeth->verifyctx != NULL)
+ vctx = 1;
+ else
+ vctx = 0;
+ if (ctx->flags & EVP_MD_CTX_FLAG_FINALISE) {
+ if (vctx)
+ r = pctx->pmeth->verifyctx(pctx, sig, 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 -1;
+ if (!EVP_MD_CTX_copy_ex(tmp_ctx, ctx)) {
+ EVP_MD_CTX_free(tmp_ctx);
+ return -1;
+ }
+ if (vctx)
+ r = tmp_ctx->pctx->pmeth->verifyctx(tmp_ctx->pctx,
+ sig, siglen, tmp_ctx);
+ else
+ r = EVP_DigestFinal_ex(tmp_ctx, md, &mdlen);
+ EVP_MD_CTX_free(tmp_ctx);
+ }
+ if (vctx || !r)
+ return r;
+ return EVP_PKEY_verify(pctx, sig, siglen, md, mdlen);
+}
+
+int EVP_DigestVerify(EVP_MD_CTX *ctx, const unsigned char *sigret,
+ size_t siglen, const unsigned char *tbs, size_t tbslen)
+{
+ EVP_PKEY_CTX *pctx = ctx->pctx;
+
+ if (pctx != NULL
+ && pctx->operation == EVP_PKEY_OP_VERIFYCTX
+ && pctx->op.sig.sigprovctx != NULL
+ && pctx->op.sig.signature != NULL) {
+ if (pctx->op.sig.signature->digest_verify != NULL)
+ return pctx->op.sig.signature->digest_verify(pctx->op.sig.sigprovctx,
+ sigret, siglen,
+ tbs, tbslen);
+ } else {
+ /* legacy */
+ if (ctx->pctx->pmeth != NULL && ctx->pctx->pmeth->digestverify != NULL)
+ return ctx->pctx->pmeth->digestverify(ctx, sigret, siglen, tbs, tbslen);
+ }
+
+ if (EVP_DigestVerifyUpdate(ctx, tbs, tbslen) <= 0)
+ return -1;
+ return EVP_DigestVerifyFinal(ctx, sigret, siglen);
+}
+#endif /* FIPS_MODULE */