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bignum: Reformat

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Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Sahana Prasad <sahana@redhat.com>
This commit is contained in:
Jakub Jelen
2025-01-03 15:49:24 +01:00
parent 9dbd1ec80b
commit af90168624
1 changed files with 29 additions and 27 deletions
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56
src/bignum.c
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@@ -27,40 +27,39 @@
#include "libssh/bignum.h" #include "libssh/bignum.h"
#include "libssh/string.h" #include "libssh/string.h"
ssh_string ssh_make_bignum_string(bignum num) { ssh_string ssh_make_bignum_string(bignum num)
ssh_string ptr = NULL; {
size_t pad = 0; ssh_string ptr = NULL;
size_t len = bignum_num_bytes(num); size_t pad = 0;
size_t bits = bignum_num_bits(num); size_t len = bignum_num_bytes(num);
size_t bits = bignum_num_bits(num);
if (len == 0) { if (len == 0) {
return NULL; return NULL;
} }
/* If the first bit is set we have a negative number */ /* If the first bit is set we have a negative number */
if (!(bits % 8) && bignum_is_bit_set(num, bits - 1)) { if (!(bits % 8) && bignum_is_bit_set(num, bits - 1)) {
pad++; pad++;
} }
#ifdef DEBUG_CRYPTO #ifdef DEBUG_CRYPTO
SSH_LOG(SSH_LOG_TRACE, SSH_LOG(SSH_LOG_TRACE, "%zu bits, %zu bytes, %zu padding", bits, len, pad);
"%zu bits, %zu bytes, %zu padding",
bits, len, pad);
#endif /* DEBUG_CRYPTO */ #endif /* DEBUG_CRYPTO */
ptr = ssh_string_new(len + pad); ptr = ssh_string_new(len + pad);
if (ptr == NULL) { if (ptr == NULL) {
return NULL; return NULL;
} }
/* We have a negative number so we need a leading zero */ /* We have a negative number so we need a leading zero */
if (pad) { if (pad) {
ptr->data[0] = 0; ptr->data[0] = 0;
} }
bignum_bn2bin(num, len, ptr->data + pad); bignum_bn2bin(num, len, ptr->data + pad);
return ptr; return ptr;
} }
bignum ssh_make_string_bn(ssh_string string) bignum ssh_make_string_bn(ssh_string string)
@@ -71,7 +70,8 @@ bignum ssh_make_string_bn(ssh_string string)
#ifdef DEBUG_CRYPTO #ifdef DEBUG_CRYPTO
SSH_LOG(SSH_LOG_TRACE, SSH_LOG(SSH_LOG_TRACE,
"Importing a %zu bits, %zu bytes object ...", "Importing a %zu bits, %zu bytes object ...",
len * 8, len); len * 8,
len);
#endif /* DEBUG_CRYPTO */ #endif /* DEBUG_CRYPTO */
bignum_bin2bn(string->data, (int)len, &bn); bignum_bin2bn(string->data, (int)len, &bn);
@@ -86,7 +86,9 @@ void ssh_print_bignum(const char *name, const_bignum num)
if (num != NULL) { if (num != NULL) {
bignum_bn2hex(num, &hex); bignum_bn2hex(num, &hex);
} }
SSH_LOG(SSH_LOG_DEBUG, "%s value: %s", name, SSH_LOG(SSH_LOG_DEBUG,
"%s value: %s",
name,
(hex == NULL) ? "(null)" : (char *)hex); (hex == NULL) ? "(null)" : (char *)hex);
ssh_crypto_free(hex); ssh_crypto_free(hex);
} }