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decipher works now.

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This commit is contained in:
NIIBE Yutaka
2010-09-08 14:24:12 +09:00
parent f543fd5ff1
commit 90a1f0379a
21 changed files with 376 additions and 67 deletions
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14
src/call-rsa.c
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@@ -21,6 +21,7 @@
*
*/
#include <stdlib.h>
#include "config.h"
#include "ch.h"
#include "gnuk.h"
@@ -52,7 +53,7 @@ rsa_sign (const uint8_t *raw_message, uint8_t *output, int msg_len)
mpi_inv_mod (&rsa_ctx.QP, &rsa_ctx.Q, &rsa_ctx.P);
mpi_free (&P1, &Q1, &H, NULL);
DEBUG_INFO ("RSA...");
DEBUG_INFO ("RSA sign...");
if ((r = rsa_check_privkey (&rsa_ctx)) == 0)
DEBUG_INFO ("ok...");
@@ -114,10 +115,15 @@ rsa_decrypt (const uint8_t *input, uint8_t *output, int msg_len)
int r;
int output_len;
put_string ("RSA decrypt:");
put_word ((uint32_t)&output_len);
mpi_init (&P1, &Q1, &H, NULL);
rsa_init (&rsa_ctx, RSA_PKCS_V15, 0);
rsa_ctx.len = msg_len;
DEBUG_WORD (msg_len);
mpi_read_string (&rsa_ctx.E, 16, "10001");
mpi_read_binary (&rsa_ctx.P, &kd.data[0], 2048 / 8 / 2);
mpi_read_binary (&rsa_ctx.Q, &kd.data[128], 2048 / 8 / 2);
@@ -131,8 +137,9 @@ rsa_decrypt (const uint8_t *input, uint8_t *output, int msg_len)
mpi_inv_mod (&rsa_ctx.QP, &rsa_ctx.Q, &rsa_ctx.P);
mpi_free (&P1, &Q1, &H, NULL);
DEBUG_INFO ("RSA...");
DEBUG_INFO ("RSA decrypt ...");
#if 0
/* This consume some memory */
if ((r = rsa_check_privkey (&rsa_ctx)) == 0)
DEBUG_INFO ("ok...");
else
@@ -142,6 +149,7 @@ rsa_decrypt (const uint8_t *input, uint8_t *output, int msg_len)
rsa_free (&rsa_ctx);
return r;
}
#endif
r = rsa_pkcs1_decrypt (&rsa_ctx, RSA_PRIVATE, &output_len,
input, output, MAX_RES_APDU_SIZE - 2);