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Fix Curve25519 key import.

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For an unknown reason, curve25519 keys are imported in big endian instead of little endian.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2023-09-05 00:25:39 +02:00
parent 9ea894b60b
commit 865eafb1f3
1 changed files with 7 additions and 1 deletions
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8
src/openpgp/openpgp.c
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@@ -1984,7 +1984,13 @@ static int cmd_import_data() {
return SW_FUNC_NOT_SUPPORTED();
}
mbedtls_ecdsa_init(&ecdsa);
r = mbedtls_ecp_read_key(gid, &ecdsa, p[1], len[1]);
if (gid == MBEDTLS_ECP_DP_CURVE25519) {
mbedtls_ecp_group_load(&ecdsa.grp, gid);
r = mbedtls_mpi_read_binary(&ecdsa.d, p[1], len[1]);
}
else {
r = mbedtls_ecp_read_key(gid, &ecdsa, p[1], len[1]);
}
if (r != 0) {
mbedtls_ecdsa_free(&ecdsa);
return SW_EXEC_ERROR();