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KEYGEN: fix keys

This commit is contained in:
hasufell 2014-05-25 00:58:22 +02:00
parent 805559a8ca
commit 1443b11fa8
No known key found for this signature in database
GPG Key ID: 220CD1C5BDEED020
2 changed files with 10 additions and 8 deletions
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17
src/keypair.c
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@ -38,11 +38,11 @@ bool ntru_create_keypair(
bool retval = true;
fmpz_poly_t Fq,
Fp,
priv;
pub;
fmpz_poly_init(Fq);
fmpz_poly_init(Fp);
fmpz_poly_init(priv);
fmpz_poly_init(pub);
if (!poly_inverse_poly_q(f, Fq, ctx)) {
@ -55,20 +55,21 @@ bool ntru_create_keypair(
goto cleanup;
}
poly_starmultiply(Fq, g, priv, ctx, ctx->q);
fmpz_poly_scalar_mul_ui(priv, priv, ctx->p);
fmpz_poly_mod(priv, ctx->q);
poly_starmultiply(Fq, g, pub, ctx, ctx->q);
fmpz_poly_scalar_mul_ui(pub, pub, ctx->p);
fmpz_poly_mod(pub, ctx->q);
fmpz_poly_init(pair->priv);
fmpz_poly_init(pair->pub);
fmpz_poly_set(pair->priv, priv);
fmpz_poly_set(pair->pub, Fp);
fmpz_poly_set(pair->priv, f);
fmpz_poly_set(pair->priv_inv, Fp);
fmpz_poly_set(pair->pub, pub);
cleanup:
fmpz_poly_clear(Fq);
fmpz_poly_clear(Fp);
fmpz_poly_clear(priv);
fmpz_poly_clear(pub);
return retval;
}

1
src/keypair.h
View File

@ -35,6 +35,7 @@ typedef struct keypair keypair;
struct keypair {
fmpz_poly_t priv;
fmpz_poly_t priv_inv;
fmpz_poly_t pub;
};