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14148 commits 1 branch 0 tags 227 MiB
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80 commits

Author SHA1 Message Date
AnotherTest
3b432eed98 LibCrypto: Correct RFC5246 un-padding behaviour 
The decrypted data is legally allowed to have any amount of padding, so
long as it is block-aligned, we should not assume that padding bytes
fall inside the same block, or that an entire block cannot be padding.

Fixes #2072
 2020-05-03 11:46:40 +02:00
AnotherTest
c9321b4f00 LibCrypto: Make UnsignedBigInteger as fast as architecturally possible 
This commit attempts to make UnsignedBigInteger as fast as possible
without changing the underlaying architecture.
This effort involves
- Preallocating space for vector operations
- Avoiding calls to computationally expensive functions
- Inlining or flattening functions (sensibly)
 2020-05-02 12:24:10 +02:00
AnotherTest
4d932ce701 LibCrypto: Tweak ::prune_padding() to be more intuitive with loop bounds 2020-05-02 12:24:10 +02:00
AnotherTest
adab43987d LibCrypto: Rename UnsignedBigInteger APIs to match their actions 2020-05-02 12:24:10 +02:00
AnotherTest
e366416d51 LibCrypto: Preallocate capacity and cache trimmed_length() in UnsignedBigInteger 2020-05-02 12:24:10 +02:00
AnotherTest
bb46e5f608 LibTLS: Switch to Hash::Manager for hashing and add SHA1 
Now we can talk to google.com
 2020-05-02 12:24:10 +02:00
AnotherTest
43a49f5fff LibCrypto: Add a Hash::Manager that can act as any one of the hashes 2020-05-02 12:24:10 +02:00
AnotherTest
e997661e26 LibCrypto: Implement SHA1 Hash Function 2020-05-02 12:24:10 +02:00
AnotherTest
e015ffd5f0 LibCrypto: Ensure that EME padding does not contain zeros 
With this fix, we can now reliably open TLS connections!
 2020-05-02 12:24:10 +02:00
AnotherTest
05e2c7d9cf LibCrypto+LibTLS: Reformat everything 
I have no idea how I'll squash _this_ one...
 2020-05-02 12:24:10 +02:00
AnotherTest
a1e1570552 LibCrypto+LibTLS: Generalise the use of IV length 
This is in preparation for the upcoming Galois/Counter mode, which
conventionally has 12 bytes of IV as opposed to CBC's 16 bytes.

...Also fixes a lot of style issues, since the author finally found the
project's clang config file in the repository root :^)
 2020-05-02 12:24:10 +02:00
AnotherTest
8d20a526e5 LibCrypto: Preallocate 128 words of space for UnsignedBigInteger 
This shaves off 1 second of runtime
 2020-05-02 12:24:10 +02:00
AnotherTest
2247036acf LibTLS: Implement a preliminary version of the TLS protocol 
TLS::TLSv12 is a Core::Socket, however, I think splitting that into a
TLS::Socket would probably be beneficial
 2020-05-02 12:24:10 +02:00
AnotherTest
f1578d7e9e LibCrypto: Fix issues in the Crypto stack 
This commit fixes up the following:
- HMAC should not reuse a single hasher when successively updating
- AES Key should not assume its user key is valid signed char*
- Mode should have a virtual destructor
And adds a RFC5246 padding mode, which is required for TLS
 2020-05-02 12:24:10 +02:00
AnotherTest
7adb93ede9 LibCrypto: Implement RSA in terms of UnsignedBigInteger 
This commit also adds enough ASN.1/DER to parse RSA keys
 2020-05-02 12:24:10 +02:00
AnotherTest
6b742c69bd LibCrypto: Add ::import_data() and ::export_data() to UnsignedBigInteger 
These functions allow conversion to-and-from big-endian buffers
This commit also adds a ""_bigint operator for easy bigint use
 2020-05-02 12:24:10 +02:00
Itamar
c52d3e65b9 LibCrypto: Cleanup UnsignedBigInteger a bit 
- Add missing 'explicit' to the constructor
- Remove unneeded 'AK::' in AK::Vector
- Avoid copying 'words' in constructor
 2020-05-02 12:24:10 +02:00
Itamar
2125a4debb LibCrypto: Add base-10 string de/serialization methods for bigint 2020-05-02 12:24:10 +02:00
Itamar
709c691f38 LibCrypto: Fix bug in big int subtraction 
A regression test was added to the suite.

This commit also generally simplifies the subtraction method.
 2020-05-02 12:24:10 +02:00
Itamar
0d2777752e LibCrypto: Add UnsignedBigInteger division 
The division operation returns both the quotient and the remainder.
 2020-05-02 12:24:10 +02:00
Itamar
2959c4a5e9 LibCrypto: Add UnsignedBigInteger multiplication 
Also added documentation for the runtime complexity of some operations.
 2020-05-02 12:24:10 +02:00
Itamar
2843dce498 LibCrypto: Fix a bug in big int addition 
There was a bug when dealing with a carry when the addition
result for the current word was UINT32_MAX.

This commit also adds a regression test for the bug.
 2020-05-02 12:24:10 +02:00
Itamar
e0cf40518c LibCrypto: Add UnsignedBigInteger subtraction and comparison 2020-05-02 12:24:10 +02:00
Itamar
6201f741d4 LibCrypto: Add UnsignedBigInteger and implement addition 
UnsignedBigInteger stores an unsigned ainteger of arbitrary length.

A big integer is represented  as a vector of word. Each
word is an unsigned int.
 2020-05-02 12:24:10 +02:00
AnotherTest
8c645916b4 LibCrypto: Add SHA512 
There is quite a bit of avoidable duplication, however, I could not get
the compiler to be happy about SHA2<Size> (see FIXMEs)
 2020-05-02 12:24:10 +02:00
AnotherTest
ca097b093b LibCrypto: Add SHA256 hash function 2020-05-02 12:24:10 +02:00
AnotherTest
f2cd004d11 LibCrypto: Implement HMAC 2020-05-02 12:24:10 +02:00
AnotherTest
4f89a377a4 LibCrypto: Move each subsection into its own namespace 2020-05-02 12:24:10 +02:00
AnotherTest
bffb2c7542 LibCrypto: Add HashFunction and implement MD5 2020-05-02 12:24:10 +02:00
AnotherTest
899ca245ae LibCrypto: Implement Cipher and AES_CBC 
Also adds a test program to userland
 2020-05-02 12:24:10 +02:00