[wpa_supplicant] Cumulative patch from b8491ae5a
Also revert local solution for encrypted IMSI and use the upstream version.
Bug: 134177972
Test: Device boots up and connects to WPA3/OWE wifi networks, run traffic.
Test: Able to turn on/off softap, associate wifi STA, run traffic.
Test: Regression test passed (Bug: 137653009)
Change-Id: Ibf6b6ef3495287156c397daa89d02923f981889b
diff --git a/src/common/dragonfly.h b/src/common/dragonfly.h
new file mode 100644
index 0000000..e7627ef
--- /dev/null
+++ b/src/common/dragonfly.h
@@ -0,0 +1,30 @@
+/*
+ * Shared Dragonfly functionality
+ * Copyright (c) 2012-2016, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2019, The Linux Foundation
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#ifndef DRAGONFLY_H
+#define DRAGONFLY_H
+
+#define DRAGONFLY_MAX_ECC_PRIME_LEN 66
+
+struct crypto_bignum;
+struct crypto_ec;
+
+int dragonfly_suitable_group(int group, int ecc_only);
+int dragonfly_get_random_qr_qnr(const struct crypto_bignum *prime,
+ struct crypto_bignum **qr,
+ struct crypto_bignum **qnr);
+int dragonfly_is_quadratic_residue_blind(struct crypto_ec *ec,
+ const u8 *qr, const u8 *qnr,
+ const struct crypto_bignum *val);
+int dragonfly_generate_scalar(const struct crypto_bignum *order,
+ struct crypto_bignum *_rand,
+ struct crypto_bignum *_mask,
+ struct crypto_bignum *scalar);
+
+#endif /* DRAGONFLY_H */