5038198256
Change cli syntax
5 years ago
ce4242f87f
Change Password derivation function to use scrypt for the hash
5 years ago
2136543726
Remove base64 encode/decode step
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Remove the base64 encode/decode step as it only increases the size of the cipher but not the security.
5 years ago
a3d43dc9be
Add salt to password hash and store it in an extra chunk
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Add a salt that is appended to the input password and is stored in the `saLt` chunk
5 years ago
7d274257bc
Change storing of the data to use multiple chunks
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Data needs to be stored in multiple chunks with a maximum size of 1MB in order for image viewers to still handle the files. Especially libpng had problems with too large chunks sizes.
5 years ago
ecc098ea69
Update README
5 years ago
14d584e330
Add masked password input and hash
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- Add password input that doesn't print the password
- Change the password to be hashed with sha512_256 to a 32 byte slice
5 years ago
66f3be84ad
Replace readFileFull with ioutil.ReadAll
5 years ago
621633263f
Add option to decrypt data from an image
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Add flag -decrypt that decrypts the input image and writes the data into -out
5 years ago
9a564afc5b
Move png utility stuff to seperate file
5 years ago
fe56f9adfe
Fix resulting image only containing chunk data
5 years ago
c8fbb62f07
Cleanup
5 years ago
6f1aaff9aa
Add main file [WIP]
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Add cryptpng.go file as the main entrance. The writing of the data is currently not working.
5 years ago
trivernis