To maintain this code properly, the following three repositories have to be
tracked for changes (maintenance details below):

- https://github.com/mattn/go-sqlite
- https://github.com/sqlcipher/sqlcipher
- https://github.com/libtom/libtomcrypt


Update code from https://github.com/mattn/go-sqlite3
----------------------------------------------------

Current HEAD: cf7286f069c3ef596efcc87781a4653a2e7607bd

Track files:

error.go
error_test.go
sqlite3.go (dead code and extension loading removed, sqlcipher pragmas added)
sqlite3_other.go
sqlite3_test.go (adjust path)
sqlite3_windows.go
_example/simple/simple.go
sqlite3_test/sqltest.go


Update code from https://github.com/sqlcipher/sqlcipher
-------------------------------------------------------

Current release: v3.4.2

Execute:
./configure
make

Track files:
sqlite3.h
sqlite3.c


Update code from https://github.com/libtom/libtomcrypt
------------------------------------------------------

Current HEAD: bd7933cc2b43ebe7c4349614c6cf1271251ebee4

Track header files:

tomcrypt_argchk.h
tomcrypt_cfg.h
tomcrypt_cipher.h
tomcrypt_custom.h (modified)
tomcrypt.h
tomcrypt_hash.h
tomcrypt_mac.h
tomcrypt_macros.h
tomcrypt_math.h
tomcrypt_misc.h
tomcrypt_pkcs.h
tomcrypt_pk.h
tomcrypt_prng.h

Track C files:

aes.c (modified include "aes_tab.h" instead of "aes_tab.c")
aes_tab.c (renamed to aes_tab.h)
burn_stack.c
cbc_decrypt.c
cbc_done.c
cbc_encrypt.c
cbc_start.c
crypt_argchk.c
crypt_cipher_descriptor.c
crypt_cipher_is_valid.c
crypt_find_cipher.c
crypt_find_hash.c
crypt_hash_descriptor.c
crypt_hash_is_valid.c
crypt_prng_descriptor.c
crypt_register_cipher.c
crypt_register_hash.c
crypt_register_prng.c
fortuna.c
hash_memory.c
hmac_done.c
hmac_init.c
hmac_memory.c
hmac_process.c
pkcs_5_2.c
sha1.c
sha256.c
zeromem.c