Change operation values so they can be used as a mask.

[openssl.git] / crypto / rsa / rsa_pk1.c

diff --git a/crypto/rsa/rsa_pk1.c b/crypto/rsa/rsa_pk1.c
index 48a32bc264a807e66b5fce3bd54a20b030b6936b..8560755f1d12d8745f8272f2cd7441c225556677 100644 (file)
--- a/crypto/rsa/rsa_pk1.c
+++ b/crypto/rsa/rsa_pk1.c
@@ -63,12 +63,12 @@
 #include <openssl/rand.h>
 
 int RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen,
-            unsigned char *from, int flen)
+            const unsigned char *from, int flen)
        {
        int j;
        unsigned char *p;
 
-       if (flen > (tlen-11))
+       if (flen > (tlen-RSA_PKCS1_PADDING_SIZE))
                {
                RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1,RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE);
                return(0);
@@ -89,10 +89,10 @@ int RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen,
        }
 
 int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen,
-            unsigned char *from, int flen, int num)
+            const unsigned char *from, int flen, int num)
        {
        int i,j;
-       unsigned char *p;
+       const unsigned char *p;
 
        p=from;
        if ((num != (flen+1)) || (*(p++) != 01))
@@ -141,7 +141,7 @@ int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen,
        }
 
 int RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen,
-            unsigned char *from, int flen)
+            const unsigned char *from, int flen)
        {
        int i,j;
        unsigned char *p;
@@ -179,10 +179,10 @@ int RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen,
        }
 
 int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen,
-            unsigned char *from, int flen, int num)
+            const unsigned char *from, int flen, int num)
        {
        int i,j;
-       unsigned char *p;
+       const unsigned char *p;
 
        p=from;
        if ((num != (flen+1)) || (*(p++) != 02))