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Hakase
2020-04-25 19:56:17 +09:00
parent 2015c00c43
commit 80ef640063
5977 changed files with 13451 additions and 5979 deletions
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providers/implementations/serializers/serializer_common.c
+46 -54
View File
@@ -14,6 +14,7 @@
#include <openssl/types.h>
#include <openssl/x509.h> /* i2d_X509_PUBKEY_bio() */
#include "crypto/bn.h" /* bn_get_words() */
#include "crypto/ctype.h"
#include "crypto/ecx.h"
#include "prov/bio.h" /* ossl_prov_bio_printf() */
#include "prov/implementations.h"
@@ -161,11 +162,13 @@ OSSL_OP_keymgmt_import_fn *ossl_prov_get_keymgmt_import(const OSSL_DISPATCH *fns
int ossl_prov_print_labeled_bignum(BIO *out, const char *label,
const BIGNUM *bn)
{
const char *neg;
int ret = 0, use_sep = 0;
char *hex_str = NULL, *p;
const char spaces[] = " ";
const char *post_label_spc = " ";
const char *neg = "";
int bytes;
BN_ULONG *words;
int n, i;
if (bn == NULL)
return 0;
@@ -174,74 +177,63 @@ int ossl_prov_print_labeled_bignum(BIO *out, const char *label,
post_label_spc = "";
}
bytes = BN_num_bytes(bn);
words = bn_get_words(bn);
neg = BN_is_negative(bn) ? "-" : "";
if (BN_is_zero(bn))
return ossl_prov_bio_printf(out, "%s%s0\n", label, post_label_spc);
if (BN_num_bytes(bn) <= BN_BYTES)
if (BN_num_bytes(bn) <= BN_BYTES) {
BN_ULONG *words = bn_get_words(bn);
if (BN_is_negative(bn))
neg = "-";
return ossl_prov_bio_printf(out,
"%s%s%s" BN_FMTu " (%s0x" BN_FMTx ")\n",
label, post_label_spc, neg, words[0],
neg, words[0]);
}
if (neg[0] == '-')
hex_str = BN_bn2hex(bn);
p = hex_str;
if (*p == '-') {
++p;
neg = " (Negative)";
}
if (ossl_prov_bio_printf(out, "%s%s\n", label, neg) <= 0)
return 0;
goto err;
/* Keep track of how many bytes we have printed out so far */
n = 0;
bytes = 0;
/*
* OpenSSL BIGNUMs are little endian limbs, so we print them last to
* first limb.
* i is used as limb index, j is used as the "byte index" in the limb
*/
for (i = bytes / BN_BYTES - 1; i >= 0; i--) {
BN_ULONG l = words[i];
int j;
if (ossl_prov_bio_printf(out, "%s", spaces) <= 0)
goto err;
for (j = BN_BYTES - 1; j >= 0; j--) {
int o = 8 * j;
int b = ((l & (0xffLU << o)) >> o) & 0xff;
/* Indent every new line with 4 spaces */
if ((n % 15) == 0) {
if (n > 0)
if (ossl_prov_bio_printf(out, "\n") <= 0)
return 0;
if (ossl_prov_bio_printf(out, " ") <= 0)
return 0;
}
/*
* Upper bit set, then we print an extra zero and pretend the
* BIGNUM was one byte longer
*/
if (n == 0 && b > 127) {
if (ossl_prov_bio_printf(out, "%02x:", 0) <= 0)
return 0;
n++;
bytes++;
}
if (++n < bytes) {
if (ossl_prov_bio_printf(out, "%02x:", b) <= 0)
return 0;
} else {
if (ossl_prov_bio_printf(out, "%02x", b) <= 0)
return 0;
}
/* Add a leading 00 if the top bit is set */
if (*p >= '8') {
if (ossl_prov_bio_printf(out, "%02x", 0) <= 0)
goto err;
++bytes;
use_sep = 1;
}
while (*p != '\0') {
/* Do a newline after every 15 hex bytes + add the space indent */
if ((bytes % 15) == 0 && bytes > 0) {
if (ossl_prov_bio_printf(out, ":\n%s", spaces) <= 0)
goto err;
use_sep = 0; /* The first byte on the next line doesnt have a : */
}
if (ossl_prov_bio_printf(out, "%s%c%c", use_sep ? ":" : "",
ossl_tolower(p[0]), ossl_tolower(p[1])) <= 0)
goto err;
++bytes;
p += 2;
use_sep = 1;
}
if (ossl_prov_bio_printf(out, "\n") <= 0)
return 0;
return 1;
goto err;
ret = 1;
err:
OPENSSL_free(hex_str);
return ret;
}
/* Number of octets per line */