BoringSSL as optional cryptobackend for ngtcp2

PR добавляет возможность использовать BoringSSL в ngtcp2 в качестве криптобиблиотеки. Для проектов в Аркадии, уже зависящих от ngtcp2, добавлена явная зависимость от слоя абстракции quictls (сейчас в транке ngtcp2 собирается с quictls).
commit_hash:3d6607abecfcff2157859acbdd18f9d0345ac485

1 files changed, 267 insertions, 0 deletions

diff --git a/contrib/restricted/google/boringssl/crypto/fipsmodule/digestsign/digestsign.c b/contrib/restricted/google/boringssl/crypto/fipsmodule/digestsign/digestsign.c
new file mode 100644
index 00000000000..9895c852bf8
--- /dev/null
+++ b/contrib/restricted/google/boringssl/crypto/fipsmodule/digestsign/digestsign.c
@@ -0,0 +1,267 @@
+/* Written by Dr Stephen N Henson ([email protected]) for the OpenSSL
+ * project 2006.
+ */
+/* ====================================================================
+ * Copyright (c) 2006,2007 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    [email protected].
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * ([email protected]).  This product includes software written by Tim
+ * Hudson ([email protected]). */
+
+#include <contrib/restricted/google/boringssl/include/openssl/evp.h>
+
+#include <contrib/restricted/google/boringssl/include/openssl/err.h>
+
+#include "../../evp/internal.h"
+#include "../delocate.h"
+#include "../digest/internal.h"
+#include "../service_indicator/internal.h"
+
+
+enum evp_sign_verify_t {
+  evp_sign,
+  evp_verify,
+};
+
+DEFINE_LOCAL_DATA(struct evp_md_pctx_ops, md_pctx_ops) {
+  out->free = EVP_PKEY_CTX_free;
+  out->dup = EVP_PKEY_CTX_dup;
+};
+
+static int uses_prehash(EVP_MD_CTX *ctx, enum evp_sign_verify_t op) {
+  return (op == evp_sign) ? (ctx->pctx->pmeth->sign != NULL)
+                          : (ctx->pctx->pmeth->verify != NULL);
+}
+
+static int do_sigver_init(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
+                          const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey,
+                          enum evp_sign_verify_t op) {
+  if (ctx->pctx == NULL) {
+    ctx->pctx = EVP_PKEY_CTX_new(pkey, e);
+  }
+  if (ctx->pctx == NULL) {
+    return 0;
+  }
+  ctx->pctx_ops = md_pctx_ops();
+
+  if (op == evp_verify) {
+    if (!EVP_PKEY_verify_init(ctx->pctx)) {
+      return 0;
+    }
+  } else {
+    if (!EVP_PKEY_sign_init(ctx->pctx)) {
+      return 0;
+    }
+  }
+
+  if (type != NULL &&
+      !EVP_PKEY_CTX_set_signature_md(ctx->pctx, type)) {
+    return 0;
+  }
+
+  if (uses_prehash(ctx, op)) {
+    if (type == NULL) {
+      OPENSSL_PUT_ERROR(EVP, EVP_R_NO_DEFAULT_DIGEST);
+      return 0;
+    }
+    if (!EVP_DigestInit_ex(ctx, type, e)) {
+      return 0;
+    }
+  }
+
+  if (pctx) {
+    *pctx = ctx->pctx;
+  }
+  return 1;
+}
+
+int EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx, const EVP_MD *type,
+                       ENGINE *e, EVP_PKEY *pkey) {
+  return do_sigver_init(ctx, pctx, type, e, pkey, evp_sign);
+}
+
+int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
+                         const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey) {
+  return do_sigver_init(ctx, pctx, type, e, pkey, evp_verify);
+}
+
+int EVP_DigestSignUpdate(EVP_MD_CTX *ctx, const void *data, size_t len) {
+  if (!uses_prehash(ctx, evp_sign)) {
+    OPENSSL_PUT_ERROR(EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+    return 0;
+  }
+
+  return EVP_DigestUpdate(ctx, data, len);
+}
+
+int EVP_DigestVerifyUpdate(EVP_MD_CTX *ctx, const void *data, size_t len) {
+  if (!uses_prehash(ctx, evp_verify)) {
+    OPENSSL_PUT_ERROR(EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+    return 0;
+  }
+
+  return EVP_DigestUpdate(ctx, data, len);
+}
+
+int EVP_DigestSignFinal(EVP_MD_CTX *ctx, uint8_t *out_sig,
+                        size_t *out_sig_len) {
+  if (!uses_prehash(ctx, evp_sign)) {
+    OPENSSL_PUT_ERROR(EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+    return 0;
+  }
+
+  if (out_sig) {
+    EVP_MD_CTX tmp_ctx;
+    int ret;
+    uint8_t md[EVP_MAX_MD_SIZE];
+    unsigned int mdlen;
+
+    FIPS_service_indicator_lock_state();
+    EVP_MD_CTX_init(&tmp_ctx);
+    ret = EVP_MD_CTX_copy_ex(&tmp_ctx, ctx) &&
+          EVP_DigestFinal_ex(&tmp_ctx, md, &mdlen) &&
+          EVP_PKEY_sign(ctx->pctx, out_sig, out_sig_len, md, mdlen);
+    EVP_MD_CTX_cleanup(&tmp_ctx);
+    FIPS_service_indicator_unlock_state();
+
+    if (ret) {
+      EVP_DigestSign_verify_service_indicator(ctx);
+    }
+
+    return ret;
+  } else {
+    size_t s = EVP_MD_size(ctx->digest);
+    return EVP_PKEY_sign(ctx->pctx, out_sig, out_sig_len, NULL, s);
+  }
+}
+
+int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, const uint8_t *sig,
+                          size_t sig_len) {
+  if (!uses_prehash(ctx, evp_verify)) {
+    OPENSSL_PUT_ERROR(EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+    return 0;
+  }
+
+  EVP_MD_CTX tmp_ctx;
+  int ret;
+  uint8_t md[EVP_MAX_MD_SIZE];
+  unsigned int mdlen;
+
+  FIPS_service_indicator_lock_state();
+  EVP_MD_CTX_init(&tmp_ctx);
+  ret = EVP_MD_CTX_copy_ex(&tmp_ctx, ctx) &&
+        EVP_DigestFinal_ex(&tmp_ctx, md, &mdlen) &&
+        EVP_PKEY_verify(ctx->pctx, sig, sig_len, md, mdlen);
+  FIPS_service_indicator_unlock_state();
+  EVP_MD_CTX_cleanup(&tmp_ctx);
+
+  if (ret) {
+    EVP_DigestVerify_verify_service_indicator(ctx);
+  }
+
+  return ret;
+}
+
+int EVP_DigestSign(EVP_MD_CTX *ctx, uint8_t *out_sig, size_t *out_sig_len,
+                   const uint8_t *data, size_t data_len) {
+  FIPS_service_indicator_lock_state();
+  int ret = 0;
+
+  if (uses_prehash(ctx, evp_sign)) {
+    // If |out_sig| is NULL, the caller is only querying the maximum output
+    // length. |data| should only be incorporated in the final call.
+    if (out_sig != NULL &&
+        !EVP_DigestSignUpdate(ctx, data, data_len)) {
+      goto end;
+    }
+
+    ret = EVP_DigestSignFinal(ctx, out_sig, out_sig_len);
+    goto end;
+  }
+
+  if (ctx->pctx->pmeth->sign_message == NULL) {
+    OPENSSL_PUT_ERROR(EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+    goto end;
+  }
+
+  ret = ctx->pctx->pmeth->sign_message(ctx->pctx, out_sig, out_sig_len, data,
+                                       data_len);
+
+end:
+  FIPS_service_indicator_unlock_state();
+  if (ret) {
+    EVP_DigestSign_verify_service_indicator(ctx);
+  }
+  return ret;
+}
+
+int EVP_DigestVerify(EVP_MD_CTX *ctx, const uint8_t *sig, size_t sig_len,
+                     const uint8_t *data, size_t len) {
+  FIPS_service_indicator_lock_state();
+  int ret = 0;
+
+  if (uses_prehash(ctx, evp_verify)) {
+    ret = EVP_DigestVerifyUpdate(ctx, data, len) &&
+          EVP_DigestVerifyFinal(ctx, sig, sig_len);
+    goto end;
+  }
+
+  if (ctx->pctx->pmeth->verify_message == NULL) {
+    OPENSSL_PUT_ERROR(EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+    goto end;
+  }
+
+  ret = ctx->pctx->pmeth->verify_message(ctx->pctx, sig, sig_len, data, len);
+
+end:
+  FIPS_service_indicator_unlock_state();
+  if (ret) {
+    EVP_DigestVerify_verify_service_indicator(ctx);
+  }
+  return ret;
+}