Correct proof files for enc_getnoise_eta1_eta2()

Signed-off-by: Rod Chapman <rodchap@amazon.com>

Author: rod-chapman

proofs/cbmc/enc_getnoise_eta1_eta2/Makefile

@@ -0,0 +1,66 @@
+# Copyright (c) The mlkem-native project authors
+# SPDX-License-Identifier: Apache-2.0 OR ISC OR MIT
+
+include ../Makefile_params.common
+
+HARNESS_ENTRY = harness
+HARNESS_FILE = enc_getnoise_eta1_eta2_harness
+
+# This should be a unique identifier for this proof, and will appear on the
+# Litani dashboard. It can be human-readable and contain spaces if you wish.
+PROOF_UID = mlk_enc_getnoise_eta1_eta2
+
+DEFINES +=
+INCLUDES +=
+
+REMOVE_FUNCTION_BODY +=
+
+PROOF_SOURCES += $(PROOFDIR)/$(HARNESS_FILE).c
+PROJECT_SOURCES += $(SRCDIR)/mlkem/src/indcpa.c
+
+CHECK_FUNCTION_CONTRACTS=mlk_enc_getnoise_eta1_eta2
+
+# Note that the called function mlk_poly_getnoise_eta2_4x() is actually
+# just #define'd to be mlk_poly_getnoise_eta1_4x()
+ifeq ($(MLKEM_K),2)
+USE_FUNCTION_CONTRACTS = mlk_poly_getnoise_eta1122_4x
+USE_FUNCTION_CONTRACTS += mlk_poly_getnoise_eta2
+else ifeq ($(MLKEM_K),3)
+USE_FUNCTION_CONTRACTS = mlk_poly_getnoise_eta1_4x
+else # MLKEM_K must be 4
+USE_FUNCTION_CONTRACTS = mlk_poly_getnoise_eta1_4x
+USE_FUNCTION_CONTRACTS += mlk_poly_getnoise_eta2
+endif
+
+APPLY_LOOP_CONTRACTS=on
+USE_DYNAMIC_FRAMES=1
+
+# Disable any setting of EXTERNAL_SAT_SOLVER, and choose SMT backend instead
+EXTERNAL_SAT_SOLVER=
+CBMCFLAGS=--smt2 --slice-formula
+
+FUNCTION_NAME = mlk_enc_getnoise_eta1_eta2
+
+# If this proof is found to consume huge amounts of RAM, you can set the
+# EXPENSIVE variable. With new enough versions of the proof tools, this will
+# restrict the number of EXPENSIVE CBMC jobs running at once. See the
+# documentation in Makefile.common under the "Job Pools" heading for details.
+# EXPENSIVE = true
+
+# This function is large enough to need...
+CBMC_OBJECT_BITS = 10
+
+# If you require access to a file-local ("static") function or object to conduct
+# your proof, set the following (and do not include the original source file
+# ("mlkem/src/poly.c") in PROJECT_SOURCES).
+# REWRITTEN_SOURCES = $(PROOFDIR)/<__SOURCE_FILE_BASENAME__>.i
+# include ../Makefile.common
+# $(PROOFDIR)/<__SOURCE_FILE_BASENAME__>.i_SOURCE = $(SRCDIR)/mlkem/src/poly.c
+# $(PROOFDIR)/<__SOURCE_FILE_BASENAME__>.i_FUNCTIONS = foo bar
+# $(PROOFDIR)/<__SOURCE_FILE_BASENAME__>.i_OBJECTS = baz
+# Care is required with variables on the left-hand side: REWRITTEN_SOURCES must
+# be set before including Makefile.common, but any use of variables on the
+# left-hand side requires those variables to be defined. Hence, _SOURCE,
+# _FUNCTIONS, _OBJECTS is set after including Makefile.common.
+
+include ../Makefile.common

proofs/cbmc/enc_getnoise_eta1_eta2/enc_getnoise_eta1_eta2_harness.c

@@ -4,7 +4,7 @@
 
 #include <indcpa.h>
 
-#define mlk_enc_getnoise_eta1_eta2 MLK_NAMESPACE(enc_getnoise)
+#define mlk_enc_getnoise_eta1_eta2 MLK_NAMESPACE(enc_getnoise_eta1_eta2)
 void mlk_enc_getnoise_eta1_eta2(mlk_polyvec *sp, mlk_polyvec *ep, mlk_poly *epp,
                                 const uint8_t coins[MLKEM_SYMBYTES]);