deon/gnuk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

use mpi_lset instead of mpi_read_string

Browse Source
This commit is contained in:
NIIBE Yutaka
2012-06-14 08:53:05 +09:00
parent 670e9058f1
commit a2855c9442
3 changed files with 9 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
ChangeLog
View File

@@ -1,5 +1,10 @@
2012-06-14 Niibe Yutaka <gniibe@fsij.org>
* src/call-rsa.c (rsa_sign, rsa_decrypt, rsa_verify): Use
mpi_lset (was: mpi_read_string).
* polarssl-0.14.0/library/bignum.c (mpi_get_digit)
(mpi_read_string): ifdef-out.
KDF is now SHA-256 (was: SHA1).
* src/sha256.c: New file. Based on the implementation by Dr Brian
Gladman.

2
polarssl-0.14.0/library/bignum.c
View File

@@ -225,6 +225,7 @@ int mpi_size( const mpi *X )
return( ( mpi_msb( X ) + 7 ) >> 3 );
}
#if 0
/*
* Convert an ASCII character to digit value
*/
@@ -310,7 +311,6 @@ cleanup:
return( ret );
}
#if 0
/*
* Helper to write the digits high-order first
*/

6
src/call-rsa.c
View File

@@ -47,7 +47,7 @@ rsa_sign (const uint8_t *raw_message, uint8_t *output, int msg_len,
rsa_init (&rsa_ctx, RSA_PKCS_V15, 0);
rsa_ctx.len = KEY_CONTENT_LEN;
mpi_read_string (&rsa_ctx.E, 16, "10001");
mpi_lset (&rsa_ctx.E, 0x10001);
mpi_read_binary (&rsa_ctx.P, &kd->data[0], rsa_ctx.len / 2);
mpi_read_binary (&rsa_ctx.Q, &kd->data[KEY_CONTENT_LEN/2], rsa_ctx.len / 2);
mpi_mul_mpi (&rsa_ctx.N, &rsa_ctx.P, &rsa_ctx.Q);
@@ -138,7 +138,7 @@ rsa_decrypt (const uint8_t *input, uint8_t *output, int msg_len,
rsa_ctx.len = msg_len;
DEBUG_WORD (msg_len);
mpi_read_string (&rsa_ctx.E, 16, "10001");
mpi_lset (&rsa_ctx.E, 0x10001);
mpi_read_binary (&rsa_ctx.P, &kd->data[0], KEY_CONTENT_LEN / 2);
mpi_read_binary (&rsa_ctx.Q, &kd->data[KEY_CONTENT_LEN/2],
KEY_CONTENT_LEN / 2);
@@ -191,7 +191,7 @@ rsa_verify (const uint8_t *pubkey, const uint8_t *hash, const uint8_t *sig)
rsa_init (&rsa_ctx, RSA_PKCS_V15, 0);
rsa_ctx.len = KEY_CONTENT_LEN;
mpi_read_string (&rsa_ctx.E, 16, "10001");
mpi_lset (&rsa_ctx.E, 0x10001);
mpi_read_binary (&rsa_ctx.N, pubkey, KEY_CONTENT_LEN);
DEBUG_INFO ("RSA verify...");