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Fix deriving nodes with retries (invalid first key).

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
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Pol Henarejos
2023-05-24 12:47:27 +02:00
parent 82c03ee6c4
commit 0eea0fb096
1 changed files with 1 additions and 1 deletions
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src/hsm/cmd_bip_slip.c
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@@ -53,7 +53,7 @@ int node_derive_bip_child(const mbedtls_ecp_keypair *parent, const uint8_t cpar[
mbedtls_mpi_mod_mpi(&kchild, &kchild, &parent->grp.N);
data[0] = 0x01;
memcpy(data + 1, iR, 32);
} while (mbedtls_mpi_cmp_int(&il, 0) == 0 || mbedtls_mpi_cmp_int(&kchild, 0) == 0);
} while (mbedtls_mpi_cmp_mpi(&il, &parent->grp.N) != -1 || mbedtls_mpi_cmp_int(&kchild, 0) == 0);
mbedtls_mpi_copy(&child->d, &kchild);
mbedtls_ecp_mul(&child->grp, &child->Q, &child->d, &child->grp.G, random_gen, NULL);
memcpy(cchild, iR, 32);