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bignum: Fix integer types for ssh_make_bignum_string()

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Fixes T188

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
This commit is contained in:
Andreas Schneider
2019-10-31 16:36:12 +01:00
parent f5bc5147b9
commit 64cd7e7ce2
2 changed files with 9 additions and 7 deletions
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6
include/libssh/libcrypto.h
View File

@@ -96,9 +96,9 @@ typedef BN_CTX* bignum_CTX;
#define bignum_add(dest, a, b) BN_add(dest, a, b)
#define bignum_sub(dest, a, b) BN_sub(dest, a, b)
#define bignum_mod(dest, a, b, ctx) BN_mod(dest, a, b, ctx)
#define bignum_num_bytes(num) BN_num_bytes(num)
#define bignum_num_bits(num) BN_num_bits(num)
#define bignum_is_bit_set(num,bit) BN_is_bit_set(num,bit)
#define bignum_num_bytes(num) (size_t)BN_num_bytes(num)
#define bignum_num_bits(num) (size_t)BN_num_bits(num)
#define bignum_is_bit_set(num,bit) BN_is_bit_set(num, (int)bit)
#define bignum_bn2bin(num,len, ptr) BN_bn2bin(num, ptr)
#define bignum_cmp(num1,num2) BN_cmp(num1,num2)
#define bignum_rshift1(dest, src) BN_rshift1(dest, src)

10
src/bignum.c
View File

@@ -29,9 +29,9 @@
ssh_string ssh_make_bignum_string(bignum num) {
ssh_string ptr = NULL;
int pad = 0;
unsigned int len = bignum_num_bytes(num);
unsigned int bits = bignum_num_bits(num);
size_t pad = 0;
size_t len = bignum_num_bytes(num);
size_t bits = bignum_num_bits(num);
if (len == 0) {
return NULL;
@@ -43,7 +43,9 @@ ssh_string ssh_make_bignum_string(bignum num) {
}
#ifdef DEBUG_CRYPTO
fprintf(stderr, "%d bits, %d bytes, %d padding\n", bits, len, pad);
SSH_LOG(SSH_LOG_TRACE,
"%zu bits, %zu bytes, %zu padding\n",
bits, len, pad);
#endif /* DEBUG_CRYPTO */
ptr = ssh_string_new(len + pad);