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Update docs to reflect the key derivation function changes

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Alexander Bakker 2017-08-07 22:39:43 +02:00
parent 911b2fab78
commit 2712b4af28
1 changed files with 8 additions and 7 deletions
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doc/db.md
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@ -81,13 +81,14 @@ This slot type contains no additional data.
##### Password ##### Password
With this slot type the key used for the master key encryption is derived from a With this slot type the key used for the master key encryption is derived from a
user-provided password using PBKDF2 with SHA1 (should be changed to SHA256 user-provided password. The key derivation function is scrypt. The parameters
before initial release) as the underlying PRF. The parameters used for PBKDF2 used for scrypt are stored as additional data.
are stored as additional data.
| Length | Contents | | Length | Contents |
|:-------|:--------------------------------| |:-------|:-------------|
| `8` | `uint64_t` Number of iterations | | `4` | `uint32_t` N |
| `4` | `uint32_t` r |
| `4` | `uint32_t` p |
| `32` | Salt | | `32` | Salt |
##### Fingerprint ##### Fingerprint