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capinfos: Removing RIPEMD160 hashes 

When reading a packet capture with capinfos on a system with
FIPS 140-2 enabled, libgcrypt will abort for any non approved
algorithm. In this case the RIPEMD 160.
master
Michal Ruprich 2023-01-12 18:07:41 +00:00 committed by Gerald Combs
parent 5ab3bb222d
commit 2a285b75a1
2 changed files with 4 additions and 9 deletions
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11
capinfos.c
View File

@ -141,7 +141,6 @@ static gboolean cap_file_hashes = TRUE; /* Calculate file hashes */
// Strongest to weakest
#define HASH_SIZE_SHA256 32
#define HASH_SIZE_RMD160 20
#define HASH_SIZE_SHA1 20
#define HASH_STR_SIZE (65) /* Max hash size * 2 + '\0' */
@ -743,7 +742,6 @@ print_stats(const gchar *filename, capture_info *cf_info)
}
if (cap_file_hashes) {
printf ("SHA256: %s\n", file_sha256);
printf ("RIPEMD160: %s\n", file_rmd160);
printf ("SHA1: %s\n", file_sha1);
}
if (cap_order) printf ("Strict time order: %s\n", order_string(cf_info->order));
@ -857,7 +855,6 @@ print_stats_table_header(void)
if (cap_packet_rate) print_stats_table_header_label("Average packet rate (packets/sec)");
if (cap_file_hashes) {
print_stats_table_header_label("SHA256");
print_stats_table_header_label("RIPEMD160");
print_stats_table_header_label("SHA1");
}
if (cap_order) print_stats_table_header_label("Strict time order");
@ -1182,7 +1179,6 @@ calculate_hashes(const char *filename)
}
gcry_md_final(hd);
hash_to_str(gcry_md_read(hd, GCRY_MD_SHA256), HASH_SIZE_SHA256, file_sha256);
hash_to_str(gcry_md_read(hd, GCRY_MD_RMD160), HASH_SIZE_RMD160, file_rmd160);
hash_to_str(gcry_md_read(hd, GCRY_MD_SHA1), HASH_SIZE_SHA1, file_sha1);
}
if (fh) fclose(fh);
@ -1489,7 +1485,7 @@ print_usage(FILE *output)
fprintf(output, " -E display the capture file encapsulation\n");
fprintf(output, " -I display the capture file interface information\n");
fprintf(output, " -F display additional capture file information\n");
fprintf(output, " -H display the SHA256, RIPEMD160, and SHA1 hashes of the file\n");
fprintf(output, " -H display the SHA256 and SHA1 hashes of the file\n");
fprintf(output, " -k display the capture comment\n");
fprintf(output, "\n");
fprintf(output, "Size infos:\n");
@ -1842,10 +1838,9 @@ main(int argc, char *argv[])
if (cap_file_hashes) {
gcry_check_version(NULL);
gcry_md_open(&hd, GCRY_MD_SHA256, 0);
if (hd) {
gcry_md_enable(hd, GCRY_MD_RMD160);
if (hd)
gcry_md_enable(hd, GCRY_MD_SHA1);
}
hash_buf = (char *)g_malloc(HASH_BUF_SIZE);
}

2
doc/capinfos.adoc
View File

@ -200,7 +200,7 @@ Prints the help listing and exits.
-H::
+
--
Displays the SHA256, RIPEMD160, and SHA1 hashes for the file.
Displays the SHA256 and SHA1 hashes for the file.
SHA1 output may be removed in the future.
--