Botan 3.9.0
Crypto and TLS for C&
cpuid_features.h
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1/**
2* (C) 2025 Jack Lloyd
3*
4* Botan is released under the Simplified BSD License (see license.txt)
5*/
6
7#ifndef BOTAN_CPUID_FEATURES_H_
8#define BOTAN_CPUID_FEATURES_H_
9
10#include <botan/api.h>
11#include <cstdint>
12#include <optional>
13#include <string>
14#include <string_view>
15
16namespace Botan {
17
19 public:
20 enum Bit : uint32_t {
21 NEON = (1U << 0),
22 SVE = (1U << 1),
23 AES = (1U << 16),
24 PMULL = (1U << 17),
25 SHA1 = (1U << 18),
26 SHA2 = (1U << 19),
27 SHA3 = (1U << 20),
28 SHA2_512 = (1U << 21),
29 SM3 = (1U << 22),
30 SM4 = (1U << 23),
31
35 };
36
37 CPUFeature(Bit b) : m_bit(b) {} // NOLINT(*-explicit-conversions)
38
39 uint32_t as_u32() const { return static_cast<uint32_t>(m_bit); }
40
41 std::string to_string() const;
42
43 static std::optional<CPUFeature> from_string(std::string_view s);
44
45 private:
46 Bit m_bit;
47};
48
49} // namespace Botan
50
51#endif
#define BOTAN_TEST_API
Definition api.h:41
uint32_t as_u32() const
static std::optional< CPUFeature > from_string(std::string_view s)
std::string to_string() const