Skip to main content
Revision 098f27f9ef8be2a418f76896ee3c824e8709fcf7 authored by Matt Caswell on 17 October 2023, 13:55:48 UTC, committed by Tomas Mraz on 19 October 2023, 09:54:44 UTC
Ignore ping deadline when calculating tick deadline if we can't send
If the CC TX allowance is zero then we cannot send a PING frame at the
moment, so do not take into account the ping deadline when calculating the
tick deadline in that case.

This avoids the hang found by the fuzzer mentioned in
https://github.com/openssl/openssl/pull/22368#issuecomment-1765131727

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22410)
1 parent 56e3032
Raw File
hmac.h
/*
 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
 *
 * 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
 */

#ifndef OPENSSL_HMAC_H
# define OPENSSL_HMAC_H
# pragma once

# include <openssl/macros.h>
# ifndef OPENSSL_NO_DEPRECATED_3_0
#  define HEADER_HMAC_H
# endif

# include <openssl/opensslconf.h>

# include <openssl/evp.h>

# ifndef OPENSSL_NO_DEPRECATED_3_0
#  define HMAC_MAX_MD_CBLOCK      200    /* Deprecated */
# endif

# ifdef  __cplusplus
extern "C" {
# endif

# ifndef OPENSSL_NO_DEPRECATED_3_0
OSSL_DEPRECATEDIN_3_0 size_t HMAC_size(const HMAC_CTX *e);
OSSL_DEPRECATEDIN_3_0 HMAC_CTX *HMAC_CTX_new(void);
OSSL_DEPRECATEDIN_3_0 int HMAC_CTX_reset(HMAC_CTX *ctx);
OSSL_DEPRECATEDIN_3_0 void HMAC_CTX_free(HMAC_CTX *ctx);
# endif
# ifndef OPENSSL_NO_DEPRECATED_1_1_0
OSSL_DEPRECATEDIN_1_1_0 __owur int HMAC_Init(HMAC_CTX *ctx,
                                             const void *key, int len,
                                             const EVP_MD *md);
# endif
# ifndef OPENSSL_NO_DEPRECATED_3_0
OSSL_DEPRECATEDIN_3_0 int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
                                       const EVP_MD *md, ENGINE *impl);
OSSL_DEPRECATEDIN_3_0 int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data,
                                      size_t len);
OSSL_DEPRECATEDIN_3_0 int HMAC_Final(HMAC_CTX *ctx, unsigned char *md,
                                     unsigned int *len);
OSSL_DEPRECATEDIN_3_0 __owur int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx);
OSSL_DEPRECATEDIN_3_0 void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags);
OSSL_DEPRECATEDIN_3_0 const EVP_MD *HMAC_CTX_get_md(const HMAC_CTX *ctx);
# endif

unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len,
                    const unsigned char *data, size_t data_len,
                    unsigned char *md, unsigned int *md_len);

# ifdef  __cplusplus
}
# endif

#endif
back to top