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LibCrypto: Add base-10 string de/serialization methods for bigint
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parent
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3 changed files with 67 additions and 2 deletions
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@ -26,6 +26,7 @@
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#pragma once
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#include <AK/LogStream.h>
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#include <AK/String.h>
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#include <AK/Types.h>
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#include <AK/Vector.h>
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@ -44,6 +45,7 @@ public:
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UnsignedBigInteger() {}
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static UnsignedBigInteger from_base10(const String& str);
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static UnsignedBigInteger create_invalid();
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const AK::Vector<u32>& words() const { return m_words; }
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@ -63,11 +65,14 @@ public:
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size_t trimmed_length() const;
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bool operator==(const UnsignedBigInteger& other) const;
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bool operator!=(const UnsignedBigInteger& other) const;
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bool operator<(const UnsignedBigInteger& other) const;
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void invalidate() { m_is_invalid = true; }
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bool is_invalid() const { return m_is_invalid; }
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String to_base10() const;
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private:
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UnsignedBigInteger shift_left_by_n_words(const size_t number_of_words) const;
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u32 shift_left_get_one_word(const size_t num_bits, const size_t result_word_index) const;
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@ -86,7 +91,8 @@ struct UnsignedDivisionResult {
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}
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inline const LogStream& operator<<(const LogStream& stream, const Crypto::UnsignedBigInteger value)
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inline const LogStream&
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operator<<(const LogStream& stream, const Crypto::UnsignedBigInteger value)
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{
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if (value.is_invalid()) {
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stream << "Invalid BigInt";
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