Baguette/sodium.cr
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Add examples/constants.cr

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Didactic Drunk 2019-06-30 14:21:31 -07:00
parent 7745e2f912
commit 7dcaeb1332
2 changed files with 30 additions and 4 deletions
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26
examples/constants.cr Normal file
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@ -0,0 +1,26 @@
require "../src/sodium"
{% for name in %w(KEY_SIZE KEY_SIZE_MIN KEY_SIZE_MAX SALT_SIZE PERSONAL_SIZE OUT_SIZE OUT_SIZE_MIN OUT_SIZE_MAX) %}
puts "Sodium::Digest::Blake2b::{{ name.id }} #{Sodium::Digest::Blake2b::{{ name.id }}}"
{% end %}
puts ""
{% for name in %w(OPSLIMIT_MIN OPSLIMIT_INTERACTIVE OPSLIMIT_MODERATE OPSLIMIT_SENSITIVE OPSLIMIT_MAX) %}
puts "Sodium::Digest::Pwhash::{{ name.id }} #{Sodium::Pwhash::{{ name.id }}}"
{% end %}
puts ""
{% for name in %w(MEMLIMIT_MIN MEMLIMIT_INTERACTIVE MEMLIMIT_MAX) %}
puts "Sodium::Digest::Pwhash::{{ name.id }} #{Sodium::Pwhash::{{ name.id }}}"
{% end %}
puts ""
{% for name in %w(STR_SIZE) %}
puts "Sodium::Digest::Pwhash::{{ name.id }} #{Sodium::Pwhash::{{ name.id }}}"
{% end %}
puts ""
{% for name in %w(KEY_SIZE CONTEXT_SIZE) %}
puts "Sodium::Digest::Kdf::{{ name.id }} #{Sodium::Kdf::{{ name.id }}}"
{% end %}
puts ""

8
src/sodium/pwhash.cr
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@ -3,7 +3,7 @@ module Sodium
# * #store #verify #needs_rehash? are used together for password verification.
# * #key_derive is used on it's own to generate password based keys.
#
# See `examples/pwhash_selector.cr` for help on selecting parameters.
# **See `examples/pwhash_selector.cr` for help on selecting parameters.**
class Pwhash
class PasswordVerifyError < Sodium::Error
end
@ -15,10 +15,10 @@ module Sodium
OPSLIMIT_MAX = LibSodium.crypto_pwhash_opslimit_max
MEMLIMIT_MIN = LibSodium.crypto_pwhash_memlimit_min
MEMLIMIT_MAX = LibSodium.crypto_pwhash_memlimit_max
MEMLIMIT_INTERACTIVE = LibSodium.crypto_pwhash_memlimit_interactive
MEMLIMIT_MAX = LibSodium.crypto_pwhash_memlimit_max # Don't use this. Maximum of the library which is more ram than any computer.
PWHASH_STR_SIZE = LibSodium.crypto_pwhash_strbytes
STR_SIZE = LibSodium.crypto_pwhash_strbytes
# Use the most recent algorithm Argon2id13 for new applications.
enum Algorithm
@ -39,7 +39,7 @@ module Sodium
# * the automatically generated salt used for the previous computation
# * the other parameters required to verify the password, including the algorithm identifier, its version, opslimit and memlimit.
def store(pass)
outstr = Bytes.new PWHASH_STR_SIZE
outstr = Bytes.new STR_SIZE
if LibSodium.crypto_pwhash_str(outstr, pass, pass.bytesize, @opslimit, @memlimit) != 0
raise Sodium::Error.new("crypto_pwhash_str")
end