Merge branch 'development' into eddsa

2023-08-18 13:07:13 +02:00
parent 8242dc8d80 26148282e6
commit b9ad8f4745
2 changed files with 12 additions and 2 deletions
--- a/src/fido/fido.c
+++ b/src/fido/fido.c
@@ -274,6 +274,9 @@ int derive_key(const uint8_t *app_id,
        if (cinfo == NULL) {
            return 1;
        }
+        if (cinfo->bit_size % 8 != 0) {
+            outk[0] >>= 8 - (cinfo->bit_size % 8);
+        }
        r = mbedtls_ecp_read_key(curve, key, outk, ceil((float) cinfo->bit_size / 8));
        mbedtls_platform_zeroize(outk, sizeof(outk));
        if (r != 0) {