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--- cipher/ecc-sm2.c.orig 2021-02-12 11:23:24 UTC
+++ cipher/ecc-sm2.c
@@ -114,12 +114,12 @@ _gcry_ecc_sm2_encrypt (gcry_sexp_t *r_ciph, gcry_mpi_t
unsigned char *cipher = NULL;
int i;
- point_init (&kG);
- point_init (&kP);
- x1 = mpi_new (0);
- y1 = mpi_new (0);
- x2 = mpi_new (0);
- y2 = mpi_new (0);
+ point_init (&kG, ec->nbits);
+ point_init (&kP, ec->nbits);
+ x1 = mpi_new (ec->nbits);
+ y1 = mpi_new (ec->nbits);
+ x2 = mpi_new (ec->nbits);
+ y2 = mpi_new (ec->nbits);
in = _gcry_mpi_get_buffer (input, 0, &inlen, NULL);
if (!in)
@@ -268,10 +268,10 @@ _gcry_ecc_sm2_decrypt (gcry_sexp_t *r_plain, gcry_sexp
unsigned int c3_len;
int i;
- point_init (&c1);
- point_init (&kP);
- x2 = mpi_new (0);
- y2 = mpi_new (0);
+ point_init (&c1, ec->nbits);
+ point_init (&kP, ec->nbits);
+ x2 = mpi_new (ec->nbits);
+ y2 = mpi_new (ec->nbits);
in = mpi_get_opaque (data_c2, &inlen);
inlen = (inlen + 7) / 8;
@@ -401,10 +401,10 @@ _gcry_ecc_sm2_sign (gcry_mpi_t input, mpi_ec_t ec,
if (rc)
return rc;
- point_init (&kG);
- x1 = mpi_new (0);
- rk = mpi_new (0);
- tmp = mpi_new (0);
+ point_init (&kG, ec->nbits);
+ x1 = mpi_new (ec->nbits);
+ rk = mpi_new (ec->nbits);
+ tmp = mpi_new (ec->nbits);
for (;;)
{
@@ -514,11 +514,11 @@ _gcry_ecc_sm2_verify (gcry_mpi_t input, mpi_ec_t ec,
if (err)
return err;
- point_init (&sG);
- point_init (&tP);
- x1 = mpi_new (0);
- y1 = mpi_new (0);
- t = mpi_new (0);
+ point_init (&sG, ec->nbits);
+ point_init (&tP, ec->nbits);
+ x1 = mpi_new (ec->nbits);
+ y1 = mpi_new (ec->nbits);
+ t = mpi_new (ec->nbits);
/* t = (r + s) % n, t != 0 */
mpi_addm (t, r, s, ec->n);
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