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authorJung-uk Kim <jkim@FreeBSD.org>2020-03-17 21:27:57 +0000
committerJung-uk Kim <jkim@FreeBSD.org>2020-03-17 21:27:57 +0000
commitaa144ced5d61b5c7fb74acaebb37d85bd08f0416 (patch)
tree2de6902cff4b007f4fae30a7d6c546b4dd3d1740 /crypto/rsa/rsa_ssl.c
parentfbc3ad1ae1976eb5f2bac351260f2c5ee255c27f (diff)
downloadsrc-aa144ced5d61b5c7fb74acaebb37d85bd08f0416.tar.gz
src-aa144ced5d61b5c7fb74acaebb37d85bd08f0416.zip
Import OpenSSL 1.1.1e.vendor/openssl/1.1.1e
Notes
Notes: svn path=/vendor-crypto/openssl/dist/; revision=359051 svn path=/vendor-crypto/openssl/1.1.1e/; revision=359052; tag=vendor/openssl/1.1.1e
Diffstat (limited to 'crypto/rsa/rsa_ssl.c')
-rw-r--r--crypto/rsa/rsa_ssl.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/crypto/rsa/rsa_ssl.c b/crypto/rsa/rsa_ssl.c
index 3859128a6d80..1f155be175da 100644
--- a/crypto/rsa/rsa_ssl.c
+++ b/crypto/rsa/rsa_ssl.c
@@ -12,7 +12,7 @@
#include <openssl/bn.h>
#include <openssl/rsa.h>
#include <openssl/rand.h>
-#include "internal/constant_time_locl.h"
+#include "internal/constant_time.h"
int RSA_padding_add_SSLv23(unsigned char *to, int tlen,
const unsigned char *from, int flen)
@@ -20,7 +20,7 @@ int RSA_padding_add_SSLv23(unsigned char *to, int tlen,
int i, j;
unsigned char *p;
- if (flen > (tlen - 11)) {
+ if (flen > (tlen - RSA_PKCS1_PADDING_SIZE)) {
RSAerr(RSA_F_RSA_PADDING_ADD_SSLV23,
RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE);
return 0;
@@ -70,7 +70,7 @@ int RSA_padding_check_SSLv23(unsigned char *to, int tlen,
if (tlen <= 0 || flen <= 0)
return -1;
- if (flen > num || num < 11) {
+ if (flen > num || num < RSA_PKCS1_PADDING_SIZE) {
RSAerr(RSA_F_RSA_PADDING_CHECK_SSLV23, RSA_R_DATA_TOO_SMALL);
return -1;
}
@@ -141,8 +141,8 @@ int RSA_padding_check_SSLv23(unsigned char *to, int tlen,
err = constant_time_select_int(mask | good, err, RSA_R_DATA_TOO_LARGE);
/*
- * Move the result in-place by |num|-11-|mlen| bytes to the left.
- * Then if |good| move |mlen| bytes from |em|+11 to |to|.
+ * Move the result in-place by |num|-RSA_PKCS1_PADDING_SIZE-|mlen| bytes to the left.
+ * Then if |good| move |mlen| bytes from |em|+RSA_PKCS1_PADDING_SIZE to |to|.
* Otherwise leave |to| unchanged.
* Copy the memory back in a way that does not reveal the size of
* the data being copied via a timing side channel. This requires copying
@@ -150,16 +150,16 @@ int RSA_padding_check_SSLv23(unsigned char *to, int tlen,
* length. Clear bits do a non-copy with identical access pattern.
* The loop below has overall complexity of O(N*log(N)).
*/
- tlen = constant_time_select_int(constant_time_lt(num - 11, tlen),
- num - 11, tlen);
- for (msg_index = 1; msg_index < num - 11; msg_index <<= 1) {
- mask = ~constant_time_eq(msg_index & (num - 11 - mlen), 0);
- for (i = 11; i < num - msg_index; i++)
+ tlen = constant_time_select_int(constant_time_lt(num - RSA_PKCS1_PADDING_SIZE, tlen),
+ num - RSA_PKCS1_PADDING_SIZE, tlen);
+ for (msg_index = 1; msg_index < num - RSA_PKCS1_PADDING_SIZE; msg_index <<= 1) {
+ mask = ~constant_time_eq(msg_index & (num - RSA_PKCS1_PADDING_SIZE - mlen), 0);
+ for (i = RSA_PKCS1_PADDING_SIZE; i < num - msg_index; i++)
em[i] = constant_time_select_8(mask, em[i + msg_index], em[i]);
}
for (i = 0; i < tlen; i++) {
mask = good & constant_time_lt(i, mlen);
- to[i] = constant_time_select_8(mask, em[i + 11], to[i]);
+ to[i] = constant_time_select_8(mask, em[i + RSA_PKCS1_PADDING_SIZE], to[i]);
}
OPENSSL_clear_free(em, num);