Squashed commit upgrading to mbedtls-3.6.0
Squash merging branch import/mbedtls-3.6.0
0fc9291f4 ("libmbedtls: bignum: restore mbedtls_mpi_exp_mod() from v3.5.2")
0ef87b1e6 ("libmbedtls: reset minimum rsa key size")
70b079496 ("libmbedtls: adjust use of rsa pk_wrap API")
6cf76464f ("libmbedtls: allow inclusion of arm_neon.h")
27df5c911 ("libmbedtls: fix cipher_wrap.c for NIST AES Key Wrap mode")
aa584f9ed ("libmbedtls: fix cipher_wrap.c for chacha20 and chachapoly")
523ae957e ("libmbedtls: add fault mitigation in mbedtls_rsa_rsassa_pkcs1_v15_verify()")
30bdb1bbf ("libmbedtls: add fault mitigation in mbedtls_rsa_rsassa_pss_verify_ext()")
e45cdab62 ("libmbedtls: add SM2 curve")
d2fda4fc2 ("libmbedtls: fix no CRT issue")
ab0eb5515 ("libmbedtls: add interfaces in mbedtls for context memory operation")
7925a6f26 ("libmedtls: mpi_miller_rabin: increase count limit")
8eaf69279 ("libmbedtls: add mbedtls_mpi_init_mempool()")
12e83fc8d ("libmbedtls: make mbedtls_mpi_mont*() available")
f9e261da5 ("mbedtls: configure mbedtls to reach for config")
7b6f378d7 ("mbedtls: remove default include/mbedtls/config.h")
c16331743 ("Import mbedtls-3.6.0")
Signed-off-by: Tom Van Eyck <tom.vaneyck@kuleuven.be>
Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
diff --git a/lib/libmbedtls/mbedtls/library/ctr.h b/lib/libmbedtls/mbedtls/library/ctr.h
new file mode 100644
index 0000000..aa48fb9
--- /dev/null
+++ b/lib/libmbedtls/mbedtls/library/ctr.h
@@ -0,0 +1,35 @@
+/**
+ * \file ctr.h
+ *
+ * \brief This file contains common functionality for counter algorithms.
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+ */
+
+#ifndef MBEDTLS_CTR_H
+#define MBEDTLS_CTR_H
+
+#include "common.h"
+
+/**
+ * \brief Increment a big-endian 16-byte value.
+ * This is quite performance-sensitive for AES-CTR and CTR-DRBG.
+ *
+ * \param n A 16-byte value to be incremented.
+ */
+static inline void mbedtls_ctr_increment_counter(uint8_t n[16])
+{
+ // The 32-bit version seems to perform about the same as a 64-bit version
+ // on 64-bit architectures, so no need to define a 64-bit version.
+ for (int i = 3;; i--) {
+ uint32_t x = MBEDTLS_GET_UINT32_BE(n, i << 2);
+ x += 1;
+ MBEDTLS_PUT_UINT32_BE(x, n, i << 2);
+ if (x != 0 || i == 0) {
+ break;
+ }
+ }
+}
+
+#endif /* MBEDTLS_CTR_H */