class Credify::Helpers
Public Class Methods
generate_commitment(bytes = 32)
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# File lib/credify.rb, line 29 def self.generate_commitment(bytes = 32) random_bytes = SecureRandom.random_bytes(bytes) short_urlsafe_encode64(random_bytes) end
sha256(message)
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# File lib/credify.rb, line 9 def self.sha256(message) base64 = Digest::SHA256.base64digest(message) Helpers.short_urlsafe_encode64(Base64.decode64(base64)) end
short_urlsafe_decode64(str)
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short_urlsafe_decode64
@return [Binary]
# File lib/credify.rb, line 25 def self.short_urlsafe_decode64(str) Base64.urlsafe_decode64(str + '=' * (-1 * str.size & 3)) end
short_urlsafe_encode64(bytes)
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short_urlsafe_encode64
@param [Binary] - str @return [String] - Base64 URL encoded string without padding
# File lib/credify.rb, line 18 def self.short_urlsafe_encode64(bytes) Base64.urlsafe_encode64(bytes).delete('=') end