/*
- * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
#include "internal/evp_int.h"
#include "evp_locl.h"
+static int update(EVP_MD_CTX *ctx, const void *data, size_t datalen)
+{
+ EVPerr(EVP_F_UPDATE, EVP_R_ONLY_ONESHOT_SUPPORTED);
+ return 0;
+}
+
static int do_sigver_init(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey,
int ver)
if (ctx->pctx->pmeth->verifyctx_init(ctx->pctx, ctx) <= 0)
return 0;
ctx->pctx->operation = EVP_PKEY_OP_VERIFYCTX;
- } else if (EVP_PKEY_verify_init(ctx->pctx) <= 0)
+ } else if (ctx->pctx->pmeth->digestverify != 0) {
+ ctx->pctx->operation = EVP_PKEY_OP_VERIFY;
+ ctx->update = update;
+ } else if (EVP_PKEY_verify_init(ctx->pctx) <= 0) {
return 0;
+ }
} else {
if (ctx->pctx->pmeth->signctx_init) {
if (ctx->pctx->pmeth->signctx_init(ctx->pctx, ctx) <= 0)
return 0;
ctx->pctx->operation = EVP_PKEY_OP_SIGNCTX;
- } else if (EVP_PKEY_sign_init(ctx->pctx) <= 0)
+ } else if (ctx->pctx->pmeth->digestsign != 0) {
+ ctx->pctx->operation = EVP_PKEY_OP_SIGN;
+ ctx->update = update;
+ } else if (EVP_PKEY_sign_init(ctx->pctx) <= 0) {
return 0;
+ }
}
if (EVP_PKEY_CTX_set_signature_md(ctx->pctx, type) <= 0)
return 0;
return 1;
if (!EVP_DigestInit_ex(ctx, type, e))
return 0;
+ /*
+ * This indicates the current algorithm requires
+ * special treatment before hashing the tbs-message.
+ */
+ if (ctx->pctx->pmeth->digest_custom != NULL)
+ return ctx->pctx->pmeth->digest_custom(ctx->pctx, ctx);
+
return 1;
}
r = EVP_DigestFinal_ex(ctx, md, &mdlen);
} else {
EVP_MD_CTX *tmp_ctx = EVP_MD_CTX_new();
- if (tmp_ctx == NULL || !EVP_MD_CTX_copy_ex(tmp_ctx, ctx))
+ 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);
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);
else
vctx = 0;
if (ctx->flags & EVP_MD_CTX_FLAG_FINALISE) {
- if (vctx) {
+ if (vctx)
r = ctx->pctx->pmeth->verifyctx(ctx->pctx, sig, siglen, ctx);
- } else
+ else
r = EVP_DigestFinal_ex(ctx, md, &mdlen);
} else {
EVP_MD_CTX *tmp_ctx = EVP_MD_CTX_new();
- if (tmp_ctx == NULL || !EVP_MD_CTX_copy_ex(tmp_ctx, ctx))
+ if (tmp_ctx == NULL)
return -1;
- if (vctx) {
+ 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
+ else
r = EVP_DigestFinal_ex(tmp_ctx, md, &mdlen);
EVP_MD_CTX_free(tmp_ctx);
}
int EVP_DigestVerify(EVP_MD_CTX *ctx, const unsigned char *sigret,
size_t siglen, const unsigned char *tbs, size_t tbslen)
{
+ if (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);