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new password management

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This commit is contained in:
NIIBE Yutaka
2010-11-30 10:04:30 +09:00
parent 35f421fc34
commit f67604e7ba
8 changed files with 93 additions and 72 deletions
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14
src/call-rsa.c
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@@ -33,7 +33,8 @@
static rsa_context rsa_ctx;
int
rsa_sign (const uint8_t *raw_message, uint8_t *output, int msg_len)
rsa_sign (const uint8_t *raw_message, uint8_t *output, int msg_len,
struct key_data *kd)
{
mpi P1, Q1, H;
int r;
@@ -43,8 +44,8 @@ rsa_sign (const uint8_t *raw_message, uint8_t *output, int msg_len)
rsa_ctx.len = 2048 / 8;
mpi_read_string (&rsa_ctx.E, 16, "10001");
mpi_read_binary (&rsa_ctx.P, &kd.data[0], rsa_ctx.len / 2);
mpi_read_binary (&rsa_ctx.Q, &kd.data[128], rsa_ctx.len / 2);
mpi_read_binary (&rsa_ctx.P, &kd->data[0], rsa_ctx.len / 2);
mpi_read_binary (&rsa_ctx.Q, &kd->data[128], rsa_ctx.len / 2);
mpi_mul_mpi (&rsa_ctx.N, &rsa_ctx.P, &rsa_ctx.Q);
mpi_sub_int (&P1, &rsa_ctx.P, 1);
mpi_sub_int (&Q1, &rsa_ctx.Q, 1);
@@ -114,7 +115,8 @@ modulus_free (const uint8_t *p)
}
int
rsa_decrypt (const uint8_t *input, uint8_t *output, int msg_len)
rsa_decrypt (const uint8_t *input, uint8_t *output, int msg_len,
struct key_data *kd)
{
mpi P1, Q1, H;
int r;
@@ -130,8 +132,8 @@ rsa_decrypt (const uint8_t *input, uint8_t *output, int 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);
mpi_read_binary (&rsa_ctx.P, &kd->data[0], 2048 / 8 / 2);
mpi_read_binary (&rsa_ctx.Q, &kd->data[128], 2048 / 8 / 2);
mpi_mul_mpi (&rsa_ctx.N, &rsa_ctx.P, &rsa_ctx.Q);
mpi_sub_int (&P1, &rsa_ctx.P, 1);
mpi_sub_int (&Q1, &rsa_ctx.Q, 1);