V1.2 Release

HElib 1.2.0, November 2020
=========================
(tagged as v1.2.0)

October-November 2020
---------------------
* Mitigation for potential CKKS vulnerability.
* Additional API changes for parameters to the CKKS encoding functions.
* New infrastructure for benchmarks
* Updated ClonedPtr
* Additional Ctxt tests
* Bug Fixes:

CHANGES.md

@@ -1,3 +1,16 @@
+HElib 1.2.0, November 2020
+=========================
+(tagged as v1.2.0)
+
+October-November 2020
+---------------------
+* Mitigation for potential CKKS vulnerability.
+* Additional API changes for parameters to the CKKS encoding functions.
+* New infrastructure for benchmarks
+* Updated ClonedPtr
+* Additional Ctxt tests
+* Bug Fixes
+
 HElib 1.1.0, October 2020
 =========================
 (tagged as v1.1.0)

INSTALL.md

@@ -1,8 +1,8 @@
 # Building and installing HElib
 
 The HElib build, install, and regression tests suite have been built and tested
-on Ubuntu 18.04, Ubuntu 20.04, Fedora 31, Fedora 32, CentOS 7.7, CentOS 8.1,
-and macOS Mojave 10.14.
+on Ubuntu 18.04, Ubuntu 20.04, Fedora 32, Fedora 33, CentOS 7.8, CentOS 8.2,
+macOS Mojave >=10.14.6, and macOS Catalina >=10.15.7.
 
 There are two different ways to build and install HElib. The first one will 
 automatically download and build the GMP and NTL dependencies and pack the 
@@ -23,7 +23,7 @@ dependencies to be installed by you and available in the system.
 - cmake >= 3.10.2
 
 **macOS environment:**
-- Apple clang >= 11.0.0 (available with Xcode >= 11.0)
+- Apple clang >= 11.0.0 (available with the latest Xcode for the tested versions of macOS)
 - Xcode Command Line Tools (can be installed with the command `xcode-select
   --install` in a teminal)
 - cmake >= 3.17.3 (available from [CMake](https://cmake.org/) or [MacPorts

README.md

@@ -20,7 +20,7 @@ HElib supports an *"assembly language for HE"*, providing low-level routines
 (set, add, multiply, shift, etc.), sophisticated automatic noise management,
 improved BGV bootstrapping, multi-threading, and also support for Ptxt (plaintext) 
 objects which mimics the functionality of Ctxt (ciphertext) objects. 
-See [changes.md](changes.md) for more details.
+See [CHANGES.md](CHANGES.md) for more details.
 
 Full installation instructions and a list of the required dependencies can be found 
 in [INSTALL.md](INSTALL.md).

examples/README.md

@@ -33,6 +33,9 @@ make [-j<number-of-threads>]
 The executables for each of the example programs can be found in the `bin`
 directory.
 
+All tests for the examples are written in bats (a test framework for bash) and 
+require [bats-core](https://github.com/bats-core/bats-core/releases/tag/v1.2.1).
+
 ## Running the examples
 
 All examples have a help method by passing the `-h` flag, for example
@@ -55,7 +58,7 @@ lookup on countries and their capitals, more information on this can be found
 ## Running the tests
 
 All tests for the examples are written in bats (a test framework for bash)
-and requires [bats-core](https://github.com/bats-core/bats-core).
+and require [bats-core](https://github.com/bats-core/bats-core/releases/tag/v1.2.1).
 
 Note that the tests require that the examples have been successfully compiled
 in the `build` directory and available in `build/bin`. To run the tests, one

src/Ctxt.cpp

@@ -1598,7 +1598,7 @@ IndexSet Ctxt::naturalPrimeSet() const
   return retval;
 }
 
-// This is essentially operator*=, but with an extra parameter
+// Low-level multiply routine. It does not include re-linearization.
 void Ctxt::multLowLvl(const Ctxt& other_orig, bool destructive)
 {
   HELIB_TIMER_START;

utils/README.md

@@ -49,6 +49,9 @@ The create-context, encrypt and decrypt utility executables can be found in the
 `bin` directory. The example encoder and decoder are found in a separate
 directory in `<directory-to-utils>/coders`.
 
+All tests for the utilities are written in bats (a test framework for bash)
+and require [bats-core](https://github.com/bats-core/bats-core/releases/tag/v1.2.1).
+
 ## Running the utilities
 
 All utilities have a help method by passing the `-h` flag, for example
@@ -172,7 +175,7 @@ The example decoder outputs the decoded data to the standard output by default.
 ## Running the tests
 
 All tests for the utilities are written in bats (a test framework for bash)
-and requires [bats-core](https://github.com/bats-core/bats-core).
+and require [bats-core](https://github.com/bats-core/bats-core).
 
 Note that the tests require that the utilities have been successfully compiled
 in the `build` directory and available in `build/bin`. To run the tests, one