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keylog: move some constants to header file

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This allows TLS implementations to use the constants for defining sizes
and verification.
This commit is contained in:
Yedaya Katsman 2024-10-21 23:26:08 +03:00 • committed by Daniel Stenberg
parent 6fa31a3043
commit 9ad2d8c557
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2 changed files with 11 additions and 12 deletions
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12
lib/vtls/keylog.c
View file

@ -36,18 +36,6 @@
#include "curl_memory.h"
#include "memdebug.h"
#define KEYLOG_LABEL_MAXLEN (sizeof("CLIENT_HANDSHAKE_TRAFFIC_SECRET") - 1)
#define CLIENT_RANDOM_SIZE 32
/*
* The master secret in TLS 1.2 and before is always 48 bytes. In TLS 1.3, the
* secret size depends on the cipher suite's hash function which is 32 bytes
* for SHA-256 and 48 bytes for SHA-384.
*/
#define SECRET_MAXLEN 48
/* The fp for the open SSLKEYLOGFILE, or NULL if not open */
static FILE *keylog_file_fp;

11
lib/vtls/keylog.h
View file

@ -25,6 +25,17 @@
***************************************************************************/
#include "curl_setup.h"
#define KEYLOG_LABEL_MAXLEN (sizeof("CLIENT_HANDSHAKE_TRAFFIC_SECRET") - 1)
#define CLIENT_RANDOM_SIZE 32
/*
* The master secret in TLS 1.2 and before is always 48 bytes. In TLS 1.3, the
* secret size depends on the cipher suite's hash function which is 32 bytes
* for SHA-256 and 48 bytes for SHA-384.
*/
#define SECRET_MAXLEN 48
/*
* Opens the TLS key log file if requested by the user. The SSLKEYLOGFILE
* environment variable specifies the output file.