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RSA change

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This commit is contained in:
NIIBE Yutaka
2012-07-05 09:32:46 +09:00
parent f88e7af3ce
commit a796e9f145
3 changed files with 11 additions and 23 deletions
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27
src/call-rsa.c
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@@ -50,7 +50,9 @@ rsa_sign (const uint8_t *raw_message, uint8_t *output, int msg_len,
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);
#if 0 /* Using CRT, we don't use N */
mpi_mul_mpi (&rsa_ctx.N, &rsa_ctx.P, &rsa_ctx.Q);
#endif
mpi_sub_int (&P1, &rsa_ctx.P, 1);
mpi_sub_int (&Q1, &rsa_ctx.Q, 1);
mpi_mul_mpi (&H, &P1, &Q1);
@@ -61,17 +63,6 @@ rsa_sign (const uint8_t *raw_message, uint8_t *output, int msg_len,
mpi_free (&P1, &Q1, &H, NULL);
DEBUG_INFO ("RSA sign...");
#if 0
if ((r = rsa_check_privkey (&rsa_ctx)) == 0)
DEBUG_INFO ("ok...");
else
{
DEBUG_INFO ("failed.\r\n");
DEBUG_SHORT (r);
rsa_free (&rsa_ctx);
return r;
}
#endif
r = rsa_pkcs1_sign (&rsa_ctx, RSA_PRIVATE, SIG_RSA_RAW,
msg_len, raw_message, temp);
@@ -142,7 +133,9 @@ rsa_decrypt (const uint8_t *input, uint8_t *output, int msg_len,
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);
#if 0 /* Using CRT, we don't use N */
mpi_mul_mpi (&rsa_ctx.N, &rsa_ctx.P, &rsa_ctx.Q);
#endif
mpi_sub_int (&P1, &rsa_ctx.P, 1);
mpi_sub_int (&Q1, &rsa_ctx.Q, 1);
mpi_mul_mpi (&H, &P1, &Q1);
@@ -153,18 +146,6 @@ rsa_decrypt (const uint8_t *input, uint8_t *output, int msg_len,
mpi_free (&P1, &Q1, &H, NULL);
DEBUG_INFO ("RSA decrypt ...");
#if 0
/* This consume some memory */
if ((r = rsa_check_privkey (&rsa_ctx)) == 0)
DEBUG_INFO ("ok...");
else
{
DEBUG_INFO ("failed.\r\n");
DEBUG_SHORT (r);
rsa_free (&rsa_ctx);
return r;
}
#endif
r = rsa_pkcs1_decrypt (&rsa_ctx, RSA_PRIVATE, &output_len,
input, output, MAX_RES_APDU_DATA_SIZE);