sigtool

homelab/sigtool

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Author	SHA1	Message	Date
Sudhi Herle	f343d45a8e	Add sender authenticated message integrity; fixup KDF - use HKDF for producing keys, nonces - add running hmac of plaintext; sender-sign the hmac as trailer - use header checksum as "salt" for data encryption keys, nonces - generate explicit nonce for wrapping root keys for each recipient (previous impl had brittleness)	2022-11-13 11:53:00 -08:00
Sudhi Herle	945046a815	v2 of sigtool with some changes: - aead nonce construction is efficient (replace last 8 bytes of salt with encoded block# and chunk-size - increase aead nonce size to 32 bytes - refactor errors into a separate file - update "build" to latest version - updated README.	2021-05-15 19:35:54 -07:00

Author

SHA1

Message

Date

Sudhi Herle

f343d45a8e

Add sender authenticated message integrity; fixup KDF

- use HKDF for producing keys, nonces
- add running hmac of plaintext; sender-sign the hmac as trailer
- use header checksum as "salt" for data encryption keys, nonces
- generate explicit nonce for wrapping root keys for each recipient
  (previous impl had brittleness)

2022-11-13 11:53:00 -08:00

Sudhi Herle

945046a815

v2 of sigtool with some changes:

- aead nonce construction is efficient (replace last 8 bytes of salt
  with encoded block# and chunk-size
- increase aead nonce size to 32 bytes
- refactor errors into a separate file
- update "build" to latest version
- updated README.

2021-05-15 19:35:54 -07:00

2 commits