/src/botan/src/lib/hash/sha2_32/sha2_32.cpp

Source (jump to first uncovered line)
/*
* SHA-{224,256}
* (C) 1999-2010,2017 Jack Lloyd
*     2007 FlexSecure GmbH
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include <botan/internal/sha2_32.h>

#include <botan/internal/bit_ops.h>
#include <botan/internal/cpuid.h>
#include <botan/internal/loadstor.h>
#include <botan/internal/rotate.h>
#include <botan/internal/sha2_32_f.h>

namespace Botan {

namespace {

std::string sha256_provider() {
#if defined(BOTAN_HAS_SHA2_32_X86)
   if(CPUID::has_intel_sha()) {
      return "shani";
   }
#endif

#if defined(BOTAN_HAS_SHA2_32_X86_BMI2)
   if(CPUID::has_bmi2()) {
      return "bmi2";
   }
#endif

#if defined(BOTAN_HAS_SHA2_32_ARMV8)
   if(CPUID::has_arm_sha2()) {
      return "armv8";
   }
#endif

   return "base";
}

}  // namespace

std::unique_ptr<HashFunction> SHA_224::copy_state() const { return std::make_unique<SHA_224>(*this); }

std::unique_ptr<HashFunction> SHA_256::copy_state() const { return std::make_unique<SHA_256>(*this); }

/*
* SHA-224 / SHA-256 compression function
*/
void SHA_256::compress_digest(secure_vector<uint32_t>& digest, const uint8_t input[], size_t blocks) {
#if defined(BOTAN_HAS_SHA2_32_X86)
   if(CPUID::has_intel_sha()) {
      return SHA_256::compress_digest_x86(digest, input, blocks);
   }
#endif

#if defined(BOTAN_HAS_SHA2_32_X86_BMI2)
   if(CPUID::has_bmi2()) {
      return SHA_256::compress_digest_x86_bmi2(digest, input, blocks);
   }
#endif

#if defined(BOTAN_HAS_SHA2_32_ARMV8)
   if(CPUID::has_arm_sha2()) {
      return SHA_256::compress_digest_armv8(digest, input, blocks);
   }
#endif

   uint32_t A = digest[0], B = digest[1], C = digest[2], D = digest[3], E = digest[4], F = digest[5], G = digest[6],
            H = digest[7];

   for(size_t i = 0; i != blocks; ++i) {
      uint32_t W00 = load_be<uint32_t>(input, 0);
      uint32_t W01 = load_be<uint32_t>(input, 1);
      uint32_t W02 = load_be<uint32_t>(input, 2);
      uint32_t W03 = load_be<uint32_t>(input, 3);
      uint32_t W04 = load_be<uint32_t>(input, 4);
      uint32_t W05 = load_be<uint32_t>(input, 5);
      uint32_t W06 = load_be<uint32_t>(input, 6);
      uint32_t W07 = load_be<uint32_t>(input, 7);
      uint32_t W08 = load_be<uint32_t>(input, 8);
      uint32_t W09 = load_be<uint32_t>(input, 9);
      uint32_t W10 = load_be<uint32_t>(input, 10);
      uint32_t W11 = load_be<uint32_t>(input, 11);
      uint32_t W12 = load_be<uint32_t>(input, 12);
      uint32_t W13 = load_be<uint32_t>(input, 13);
      uint32_t W14 = load_be<uint32_t>(input, 14);
      uint32_t W15 = load_be<uint32_t>(input, 15);

      SHA2_32_F(A, B, C, D, E, F, G, H, W00, W14, W09, W01, 0x428A2F98);
      SHA2_32_F(H, A, B, C, D, E, F, G, W01, W15, W10, W02, 0x71374491);
      SHA2_32_F(G, H, A, B, C, D, E, F, W02, W00, W11, W03, 0xB5C0FBCF);
      SHA2_32_F(F, G, H, A, B, C, D, E, W03, W01, W12, W04, 0xE9B5DBA5);
      SHA2_32_F(E, F, G, H, A, B, C, D, W04, W02, W13, W05, 0x3956C25B);
      SHA2_32_F(D, E, F, G, H, A, B, C, W05, W03, W14, W06, 0x59F111F1);
      SHA2_32_F(C, D, E, F, G, H, A, B, W06, W04, W15, W07, 0x923F82A4);
      SHA2_32_F(B, C, D, E, F, G, H, A, W07, W05, W00, W08, 0xAB1C5ED5);
      SHA2_32_F(A, B, C, D, E, F, G, H, W08, W06, W01, W09, 0xD807AA98);
      SHA2_32_F(H, A, B, C, D, E, F, G, W09, W07, W02, W10, 0x12835B01);
      SHA2_32_F(G, H, A, B, C, D, E, F, W10, W08, W03, W11, 0x243185BE);
      SHA2_32_F(F, G, H, A, B, C, D, E, W11, W09, W04, W12, 0x550C7DC3);
      SHA2_32_F(E, F, G, H, A, B, C, D, W12, W10, W05, W13, 0x72BE5D74);
      SHA2_32_F(D, E, F, G, H, A, B, C, W13, W11, W06, W14, 0x80DEB1FE);
      SHA2_32_F(C, D, E, F, G, H, A, B, W14, W12, W07, W15, 0x9BDC06A7);
      SHA2_32_F(B, C, D, E, F, G, H, A, W15, W13, W08, W00, 0xC19BF174);

      SHA2_32_F(A, B, C, D, E, F, G, H, W00, W14, W09, W01, 0xE49B69C1);
      SHA2_32_F(H, A, B, C, D, E, F, G, W01, W15, W10, W02, 0xEFBE4786);
      SHA2_32_F(G, H, A, B, C, D, E, F, W02, W00, W11, W03, 0x0FC19DC6);
      SHA2_32_F(F, G, H, A, B, C, D, E, W03, W01, W12, W04, 0x240CA1CC);
      SHA2_32_F(E, F, G, H, A, B, C, D, W04, W02, W13, W05, 0x2DE92C6F);
      SHA2_32_F(D, E, F, G, H, A, B, C, W05, W03, W14, W06, 0x4A7484AA);
      SHA2_32_F(C, D, E, F, G, H, A, B, W06, W04, W15, W07, 0x5CB0A9DC);
      SHA2_32_F(B, C, D, E, F, G, H, A, W07, W05, W00, W08, 0x76F988DA);
      SHA2_32_F(A, B, C, D, E, F, G, H, W08, W06, W01, W09, 0x983E5152);
      SHA2_32_F(H, A, B, C, D, E, F, G, W09, W07, W02, W10, 0xA831C66D);
      SHA2_32_F(G, H, A, B, C, D, E, F, W10, W08, W03, W11, 0xB00327C8);
      SHA2_32_F(F, G, H, A, B, C, D, E, W11, W09, W04, W12, 0xBF597FC7);
      SHA2_32_F(E, F, G, H, A, B, C, D, W12, W10, W05, W13, 0xC6E00BF3);
      SHA2_32_F(D, E, F, G, H, A, B, C, W13, W11, W06, W14, 0xD5A79147);
      SHA2_32_F(C, D, E, F, G, H, A, B, W14, W12, W07, W15, 0x06CA6351);
      SHA2_32_F(B, C, D, E, F, G, H, A, W15, W13, W08, W00, 0x14292967);

      SHA2_32_F(A, B, C, D, E, F, G, H, W00, W14, W09, W01, 0x27B70A85);
      SHA2_32_F(H, A, B, C, D, E, F, G, W01, W15, W10, W02, 0x2E1B2138);
      SHA2_32_F(G, H, A, B, C, D, E, F, W02, W00, W11, W03, 0x4D2C6DFC);
      SHA2_32_F(F, G, H, A, B, C, D, E, W03, W01, W12, W04, 0x53380D13);
      SHA2_32_F(E, F, G, H, A, B, C, D, W04, W02, W13, W05, 0x650A7354);
      SHA2_32_F(D, E, F, G, H, A, B, C, W05, W03, W14, W06, 0x766A0ABB);
      SHA2_32_F(C, D, E, F, G, H, A, B, W06, W04, W15, W07, 0x81C2C92E);
      SHA2_32_F(B, C, D, E, F, G, H, A, W07, W05, W00, W08, 0x92722C85);
      SHA2_32_F(A, B, C, D, E, F, G, H, W08, W06, W01, W09, 0xA2BFE8A1);
      SHA2_32_F(H, A, B, C, D, E, F, G, W09, W07, W02, W10, 0xA81A664B);
      SHA2_32_F(G, H, A, B, C, D, E, F, W10, W08, W03, W11, 0xC24B8B70);
      SHA2_32_F(F, G, H, A, B, C, D, E, W11, W09, W04, W12, 0xC76C51A3);
      SHA2_32_F(E, F, G, H, A, B, C, D, W12, W10, W05, W13, 0xD192E819);
      SHA2_32_F(D, E, F, G, H, A, B, C, W13, W11, W06, W14, 0xD6990624);
      SHA2_32_F(C, D, E, F, G, H, A, B, W14, W12, W07, W15, 0xF40E3585);
      SHA2_32_F(B, C, D, E, F, G, H, A, W15, W13, W08, W00, 0x106AA070);

      SHA2_32_F(A, B, C, D, E, F, G, H, W00, W14, W09, W01, 0x19A4C116);
      SHA2_32_F(H, A, B, C, D, E, F, G, W01, W15, W10, W02, 0x1E376C08);
      SHA2_32_F(G, H, A, B, C, D, E, F, W02, W00, W11, W03, 0x2748774C);
      SHA2_32_F(F, G, H, A, B, C, D, E, W03, W01, W12, W04, 0x34B0BCB5);
      SHA2_32_F(E, F, G, H, A, B, C, D, W04, W02, W13, W05, 0x391C0CB3);
      SHA2_32_F(D, E, F, G, H, A, B, C, W05, W03, W14, W06, 0x4ED8AA4A);
      SHA2_32_F(C, D, E, F, G, H, A, B, W06, W04, W15, W07, 0x5B9CCA4F);
      SHA2_32_F(B, C, D, E, F, G, H, A, W07, W05, W00, W08, 0x682E6FF3);
      SHA2_32_F(A, B, C, D, E, F, G, H, W08, W06, W01, W09, 0x748F82EE);
      SHA2_32_F(H, A, B, C, D, E, F, G, W09, W07, W02, W10, 0x78A5636F);
      SHA2_32_F(G, H, A, B, C, D, E, F, W10, W08, W03, W11, 0x84C87814);
      SHA2_32_F(F, G, H, A, B, C, D, E, W11, W09, W04, W12, 0x8CC70208);
      SHA2_32_F(E, F, G, H, A, B, C, D, W12, W10, W05, W13, 0x90BEFFFA);
      SHA2_32_F(D, E, F, G, H, A, B, C, W13, W11, W06, W14, 0xA4506CEB);
      SHA2_32_F(C, D, E, F, G, H, A, B, W14, W12, W07, W15, 0xBEF9A3F7);
      SHA2_32_F(B, C, D, E, F, G, H, A, W15, W13, W08, W00, 0xC67178F2);

      A = (digest[0] += A);
      B = (digest[1] += B);
      C = (digest[2] += C);
      D = (digest[3] += D);
      E = (digest[4] += E);
      F = (digest[5] += F);
      G = (digest[6] += G);
      H = (digest[7] += H);

      input += 64;
   }
}

std::string SHA_224::provider() const { return sha256_provider(); }

std::string SHA_256::provider() const { return sha256_provider(); }

/*
* SHA-224 compression function
*/
void SHA_224::compress_n(const uint8_t input[], size_t blocks) { SHA_256::compress_digest(m_digest, input, blocks); }

/*
* Copy out the digest
*/
void SHA_224::copy_out(uint8_t output[]) { copy_out_vec_be(output, output_length(), m_digest); }

/*
* Clear memory of sensitive data
*/
void SHA_224::clear() {
   MDx_HashFunction::clear();
   m_digest[0] = 0xC1059ED8;
   m_digest[1] = 0x367CD507;
   m_digest[2] = 0x3070DD17;
   m_digest[3] = 0xF70E5939;
   m_digest[4] = 0xFFC00B31;
   m_digest[5] = 0x68581511;
   m_digest[6] = 0x64F98FA7;
   m_digest[7] = 0xBEFA4FA4;
}

/*
* SHA-256 compression function
*/
void SHA_256::compress_n(const uint8_t input[], size_t blocks) { SHA_256::compress_digest(m_digest, input, blocks); }

/*
* Copy out the digest
*/
void SHA_256::copy_out(uint8_t output[]) { copy_out_vec_be(output, output_length(), m_digest); }

/*
* Clear memory of sensitive data
*/
void SHA_256::clear() {
   MDx_HashFunction::clear();
   m_digest[0] = 0x6A09E667;
   m_digest[1] = 0xBB67AE85;
   m_digest[2] = 0x3C6EF372;
   m_digest[3] = 0xA54FF53A;
   m_digest[4] = 0x510E527F;
   m_digest[5] = 0x9B05688C;
   m_digest[6] = 0x1F83D9AB;
   m_digest[7] = 0x5BE0CD19;
}

}  // namespace Botan

Coverage Report

Created: 2023-06-07 07:00

Line	Count	Source (jump to first uncovered line)
1		/*
2		* SHA-{224,256}
3		* (C) 1999-2010,2017 Jack Lloyd
4		* 2007 FlexSecure GmbH
5		*
6		* Botan is released under the Simplified BSD License (see license.txt)
7		*/
8
9		#include <botan/internal/sha2_32.h>
10
11		#include <botan/internal/bit_ops.h>
12		#include <botan/internal/cpuid.h>
13		#include <botan/internal/loadstor.h>
14		#include <botan/internal/rotate.h>
15		#include <botan/internal/sha2_32_f.h>
16
17		namespace Botan {
18
19		namespace {
20
21	0	std::string sha256_provider() {
22	0	#if defined(BOTAN_HAS_SHA2_32_X86)
23	0	if(CPUID::has_intel_sha()) {
24	0	return "shani";
25	0	}
26	0	#endif
27
28	0	#if defined(BOTAN_HAS_SHA2_32_X86_BMI2)
29	0	if(CPUID::has_bmi2()) {
30	0	return "bmi2";
31	0	}
32	0	#endif
33
34		#if defined(BOTAN_HAS_SHA2_32_ARMV8)
35		if(CPUID::has_arm_sha2()) {
36		return "armv8";
37		}
38		#endif
39
40	0	return "base";
41	0	}
42
43		} // namespace
44
45	0	std::unique_ptr<HashFunction> SHA_224::copy_state() const { return std::make_unique<SHA_224>(*this); }
46
47	0	std::unique_ptr<HashFunction> SHA_256::copy_state() const { return std::make_unique<SHA_256>(*this); }
48
49		/*
50		* SHA-224 / SHA-256 compression function
51		*/
52	10	void SHA_256::compress_digest(secure_vector<uint32_t>& digest, const uint8_t input[], size_t blocks) {
53	10	#if defined(BOTAN_HAS_SHA2_32_X86)
54	10	if(CPUID::has_intel_sha()) {
55	0	return SHA_256::compress_digest_x86(digest, input, blocks);
56	0	}
57	10	#endif
58
59	10	#if defined(BOTAN_HAS_SHA2_32_X86_BMI2)
60	10	if(CPUID::has_bmi2()) {
61	10	return SHA_256::compress_digest_x86_bmi2(digest, input, blocks);
62	10	}
63	0	#endif
64
65		#if defined(BOTAN_HAS_SHA2_32_ARMV8)
66		if(CPUID::has_arm_sha2()) {
67		return SHA_256::compress_digest_armv8(digest, input, blocks);
68		}
69		#endif
70
71	0	uint32_t A = digest[0], B = digest[1], C = digest[2], D = digest[3], E = digest[4], F = digest[5], G = digest[6],
72	0	H = digest[7];
73
74	0	for(size_t i = 0; i != blocks; ++i) {
75	0	uint32_t W00 = load_be<uint32_t>(input, 0);
76	0	uint32_t W01 = load_be<uint32_t>(input, 1);
77	0	uint32_t W02 = load_be<uint32_t>(input, 2);
78	0	uint32_t W03 = load_be<uint32_t>(input, 3);
79	0	uint32_t W04 = load_be<uint32_t>(input, 4);
80	0	uint32_t W05 = load_be<uint32_t>(input, 5);
81	0	uint32_t W06 = load_be<uint32_t>(input, 6);
82	0	uint32_t W07 = load_be<uint32_t>(input, 7);
83	0	uint32_t W08 = load_be<uint32_t>(input, 8);
84	0	uint32_t W09 = load_be<uint32_t>(input, 9);
85	0	uint32_t W10 = load_be<uint32_t>(input, 10);
86	0	uint32_t W11 = load_be<uint32_t>(input, 11);
87	0	uint32_t W12 = load_be<uint32_t>(input, 12);
88	0	uint32_t W13 = load_be<uint32_t>(input, 13);
89	0	uint32_t W14 = load_be<uint32_t>(input, 14);
90	0	uint32_t W15 = load_be<uint32_t>(input, 15);
91
92	0	SHA2_32_F(A, B, C, D, E, F, G, H, W00, W14, W09, W01, 0x428A2F98);
93	0	SHA2_32_F(H, A, B, C, D, E, F, G, W01, W15, W10, W02, 0x71374491);
94	0	SHA2_32_F(G, H, A, B, C, D, E, F, W02, W00, W11, W03, 0xB5C0FBCF);
95	0	SHA2_32_F(F, G, H, A, B, C, D, E, W03, W01, W12, W04, 0xE9B5DBA5);
96	0	SHA2_32_F(E, F, G, H, A, B, C, D, W04, W02, W13, W05, 0x3956C25B);
97	0	SHA2_32_F(D, E, F, G, H, A, B, C, W05, W03, W14, W06, 0x59F111F1);
98	0	SHA2_32_F(C, D, E, F, G, H, A, B, W06, W04, W15, W07, 0x923F82A4);
99	0	SHA2_32_F(B, C, D, E, F, G, H, A, W07, W05, W00, W08, 0xAB1C5ED5);
100	0	SHA2_32_F(A, B, C, D, E, F, G, H, W08, W06, W01, W09, 0xD807AA98);
101	0	SHA2_32_F(H, A, B, C, D, E, F, G, W09, W07, W02, W10, 0x12835B01);
102	0	SHA2_32_F(G, H, A, B, C, D, E, F, W10, W08, W03, W11, 0x243185BE);
103	0	SHA2_32_F(F, G, H, A, B, C, D, E, W11, W09, W04, W12, 0x550C7DC3);
104	0	SHA2_32_F(E, F, G, H, A, B, C, D, W12, W10, W05, W13, 0x72BE5D74);
105	0	SHA2_32_F(D, E, F, G, H, A, B, C, W13, W11, W06, W14, 0x80DEB1FE);
106	0	SHA2_32_F(C, D, E, F, G, H, A, B, W14, W12, W07, W15, 0x9BDC06A7);
107	0	SHA2_32_F(B, C, D, E, F, G, H, A, W15, W13, W08, W00, 0xC19BF174);
108
109	0	SHA2_32_F(A, B, C, D, E, F, G, H, W00, W14, W09, W01, 0xE49B69C1);
110	0	SHA2_32_F(H, A, B, C, D, E, F, G, W01, W15, W10, W02, 0xEFBE4786);
111	0	SHA2_32_F(G, H, A, B, C, D, E, F, W02, W00, W11, W03, 0x0FC19DC6);
112	0	SHA2_32_F(F, G, H, A, B, C, D, E, W03, W01, W12, W04, 0x240CA1CC);
113	0	SHA2_32_F(E, F, G, H, A, B, C, D, W04, W02, W13, W05, 0x2DE92C6F);
114	0	SHA2_32_F(D, E, F, G, H, A, B, C, W05, W03, W14, W06, 0x4A7484AA);
115	0	SHA2_32_F(C, D, E, F, G, H, A, B, W06, W04, W15, W07, 0x5CB0A9DC);
116	0	SHA2_32_F(B, C, D, E, F, G, H, A, W07, W05, W00, W08, 0x76F988DA);
117	0	SHA2_32_F(A, B, C, D, E, F, G, H, W08, W06, W01, W09, 0x983E5152);
118	0	SHA2_32_F(H, A, B, C, D, E, F, G, W09, W07, W02, W10, 0xA831C66D);
119	0	SHA2_32_F(G, H, A, B, C, D, E, F, W10, W08, W03, W11, 0xB00327C8);
120	0	SHA2_32_F(F, G, H, A, B, C, D, E, W11, W09, W04, W12, 0xBF597FC7);
121	0	SHA2_32_F(E, F, G, H, A, B, C, D, W12, W10, W05, W13, 0xC6E00BF3);
122	0	SHA2_32_F(D, E, F, G, H, A, B, C, W13, W11, W06, W14, 0xD5A79147);
123	0	SHA2_32_F(C, D, E, F, G, H, A, B, W14, W12, W07, W15, 0x06CA6351);
124	0	SHA2_32_F(B, C, D, E, F, G, H, A, W15, W13, W08, W00, 0x14292967);
125
126	0	SHA2_32_F(A, B, C, D, E, F, G, H, W00, W14, W09, W01, 0x27B70A85);
127	0	SHA2_32_F(H, A, B, C, D, E, F, G, W01, W15, W10, W02, 0x2E1B2138);
128	0	SHA2_32_F(G, H, A, B, C, D, E, F, W02, W00, W11, W03, 0x4D2C6DFC);
129	0	SHA2_32_F(F, G, H, A, B, C, D, E, W03, W01, W12, W04, 0x53380D13);
130	0	SHA2_32_F(E, F, G, H, A, B, C, D, W04, W02, W13, W05, 0x650A7354);
131	0	SHA2_32_F(D, E, F, G, H, A, B, C, W05, W03, W14, W06, 0x766A0ABB);
132	0	SHA2_32_F(C, D, E, F, G, H, A, B, W06, W04, W15, W07, 0x81C2C92E);
133	0	SHA2_32_F(B, C, D, E, F, G, H, A, W07, W05, W00, W08, 0x92722C85);
134	0	SHA2_32_F(A, B, C, D, E, F, G, H, W08, W06, W01, W09, 0xA2BFE8A1);
135	0	SHA2_32_F(H, A, B, C, D, E, F, G, W09, W07, W02, W10, 0xA81A664B);
136	0	SHA2_32_F(G, H, A, B, C, D, E, F, W10, W08, W03, W11, 0xC24B8B70);
137	0	SHA2_32_F(F, G, H, A, B, C, D, E, W11, W09, W04, W12, 0xC76C51A3);
138	0	SHA2_32_F(E, F, G, H, A, B, C, D, W12, W10, W05, W13, 0xD192E819);
139	0	SHA2_32_F(D, E, F, G, H, A, B, C, W13, W11, W06, W14, 0xD6990624);
140	0	SHA2_32_F(C, D, E, F, G, H, A, B, W14, W12, W07, W15, 0xF40E3585);
141	0	SHA2_32_F(B, C, D, E, F, G, H, A, W15, W13, W08, W00, 0x106AA070);
142
143	0	SHA2_32_F(A, B, C, D, E, F, G, H, W00, W14, W09, W01, 0x19A4C116);
144	0	SHA2_32_F(H, A, B, C, D, E, F, G, W01, W15, W10, W02, 0x1E376C08);
145	0	SHA2_32_F(G, H, A, B, C, D, E, F, W02, W00, W11, W03, 0x2748774C);
146	0	SHA2_32_F(F, G, H, A, B, C, D, E, W03, W01, W12, W04, 0x34B0BCB5);
147	0	SHA2_32_F(E, F, G, H, A, B, C, D, W04, W02, W13, W05, 0x391C0CB3);
148	0	SHA2_32_F(D, E, F, G, H, A, B, C, W05, W03, W14, W06, 0x4ED8AA4A);
149	0	SHA2_32_F(C, D, E, F, G, H, A, B, W06, W04, W15, W07, 0x5B9CCA4F);
150	0	SHA2_32_F(B, C, D, E, F, G, H, A, W07, W05, W00, W08, 0x682E6FF3);
151	0	SHA2_32_F(A, B, C, D, E, F, G, H, W08, W06, W01, W09, 0x748F82EE);
152	0	SHA2_32_F(H, A, B, C, D, E, F, G, W09, W07, W02, W10, 0x78A5636F);
153	0	SHA2_32_F(G, H, A, B, C, D, E, F, W10, W08, W03, W11, 0x84C87814);
154	0	SHA2_32_F(F, G, H, A, B, C, D, E, W11, W09, W04, W12, 0x8CC70208);
155	0	SHA2_32_F(E, F, G, H, A, B, C, D, W12, W10, W05, W13, 0x90BEFFFA);
156	0	SHA2_32_F(D, E, F, G, H, A, B, C, W13, W11, W06, W14, 0xA4506CEB);
157	0	SHA2_32_F(C, D, E, F, G, H, A, B, W14, W12, W07, W15, 0xBEF9A3F7);
158	0	SHA2_32_F(B, C, D, E, F, G, H, A, W15, W13, W08, W00, 0xC67178F2);
159
160	0	A = (digest[0] += A);
161	0	B = (digest[1] += B);
162	0	C = (digest[2] += C);
163	0	D = (digest[3] += D);
164	0	E = (digest[4] += E);
165	0	F = (digest[5] += F);
166	0	G = (digest[6] += G);
167	0	H = (digest[7] += H);
168
169	0	input += 64;
170	0	}
171	0	}
172
173	0	std::string SHA_224::provider() const { return sha256_provider(); }
174
175	0	std::string SHA_256::provider() const { return sha256_provider(); }
176
177		/*
178		* SHA-224 compression function
179		*/
180	0	void SHA_224::compress_n(const uint8_t input[], size_t blocks) { SHA_256::compress_digest(m_digest, input, blocks); }
181
182		/*
183		* Copy out the digest
184		*/
185	0	void SHA_224::copy_out(uint8_t output[]) { copy_out_vec_be(output, output_length(), m_digest); }
186
187		/*
188		* Clear memory of sensitive data
189		*/
190	0	void SHA_224::clear() {
191	0	MDx_HashFunction::clear();
192	0	m_digest[0] = 0xC1059ED8;
193	0	m_digest[1] = 0x367CD507;
194	0	m_digest[2] = 0x3070DD17;
195	0	m_digest[3] = 0xF70E5939;
196	0	m_digest[4] = 0xFFC00B31;
197	0	m_digest[5] = 0x68581511;
198	0	m_digest[6] = 0x64F98FA7;
199	0	m_digest[7] = 0xBEFA4FA4;
200	0	}
201
202		/*
203		* SHA-256 compression function
204		*/
205	10	void SHA_256::compress_n(const uint8_t input[], size_t blocks) { SHA_256::compress_digest(m_digest, input, blocks); }
206
207		/*
208		* Copy out the digest
209		*/
210	4	void SHA_256::copy_out(uint8_t output[]) { copy_out_vec_be(output, output_length(), m_digest); }
211
212		/*
213		* Clear memory of sensitive data
214		*/
215	7	void SHA_256::clear() {
216	7	MDx_HashFunction::clear();
217	7	m_digest[0] = 0x6A09E667;
218	7	m_digest[1] = 0xBB67AE85;
219	7	m_digest[2] = 0x3C6EF372;
220	7	m_digest[3] = 0xA54FF53A;
221	7	m_digest[4] = 0x510E527F;
222	7	m_digest[5] = 0x9B05688C;
223	7	m_digest[6] = 0x1F83D9AB;
224	7	m_digest[7] = 0x5BE0CD19;
225	7	}
226
227		} // namespace Botan