commit 1237a349ede01aee01a192d496a8778704dd06a5
author Gabor Mezei <gabor.mezei@arm.com> Tue Apr 11 16:22:35 2023 +0200
committer Gabor Mezei <gabor.mezei@arm.com> Thu Apr 13 12:48:06 2023 +0200
tree b7a8fc7beded9c8474ab142ae089266640344928
parent b86ead3cb2f772084ecd3b41450925e6a87e24aa

Use macro guard for function declaration

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>

library/ecp_invasive.h

diff --git a/library/ecp_invasive.h b/library/ecp_invasive.h
index f1cfa53..f654108 100644
--- a/library/ecp_invasive.h
+++ b/library/ecp_invasive.h
@@ -169,6 +169,17 @@
 
 #endif /* MBEDTLS_ECP_DP_SECP384R1_ENABLED */
 
+#if defined(MBEDTLS_ECP_DP_SECP192K1_ENABLED)
+
+/*
+ * Fast quasi-reduction modulo p192k1 = 2^192 - R,
+ * with R = 2^32 + 2^12 + 2^8 + 2^7 + 2^6 + 2^3 + 1 = 0x0100001119
+ */
+MBEDTLS_STATIC_TESTABLE
+int mbedtls_ecp_mod_p192k1(mbedtls_mpi *N);
+
+#endif /* MBEDTLS_ECP_DP_SECP192K1_ENABLED */
+
 /** Initialise a modulus with hard-coded const curve data.
  *
  * \note            The caller is responsible for the \p N modulus' memory.
@@ -191,9 +202,6 @@
                               const mbedtls_ecp_group_id id,
                               const mbedtls_ecp_curve_type ctype);
 
-MBEDTLS_STATIC_TESTABLE
-int mbedtls_ecp_mod_p192k1(mbedtls_mpi *N);
-
 #endif /* MBEDTLS_TEST_HOOKS && MBEDTLS_ECP_C */
 
 #endif /* MBEDTLS_ECP_INVASIVE_H */