12 #ifdef CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY 17 #if defined(_ARCH_PWR8) || defined(__CRYPTO__) 22 extern const char PPC_POWER8_FNAME[] = __FILE__;
28 #ifdef CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY 30 typedef void (*SigHandler)(int);
32 static jmp_buf s_jmpSIGILL;
33 static void SigIllHandler(
int)
35 longjmp(s_jmpSIGILL, 1);
38 #endif // CRYPTOPP_MS_STYLE_INLINE_ASSEMBLY 40 #if (CRYPTOPP_BOOL_PPC32 || CRYPTOPP_BOOL_PPC64) 42 bool CPU_ProbePower8()
44 #if defined(CRYPTOPP_NO_CPU_FEATURE_PROBES) 46 #elif (_ARCH_PWR8) && defined(CRYPTOPP_POWER8_AVAILABLE) 47 # if defined(CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY) 51 volatile int result =
true;
53 volatile SigHandler oldHandler = signal(SIGILL, SigIllHandler);
54 if (oldHandler == SIG_ERR)
57 volatile sigset_t oldMask;
58 if (sigprocmask(0, NULLPTR, (sigset_t*)&oldMask))
61 if (setjmp(s_jmpSIGILL))
66 const word64 x = W64LIT(0xffffffffffffffff);
67 word64 w1[2] = {x, x}, w2[2] = {4, 6}, w3[2];
70 #if defined(__ibmxl__) || (defined(_AIX) && defined(__xlC__)) 71 const uint64x2_p v1 = vec_xl(0, (
unsigned long long*)w1);
72 const uint64x2_p v2 = vec_xl(0, (
unsigned long long*)w2);
74 vec_xst(v3, 0, (
unsigned long long*)w3);
83 result = (w3[0] == 3 && w3[1] == 5);
86 sigprocmask(SIG_SETMASK, (sigset_t*)&oldMask, NULLPTR);
87 signal(SIGILL, oldHandler);
97 #if defined(CRYPTOPP_NO_CPU_FEATURE_PROBES) 99 #elif (__CRYPTO__) && defined(CRYPTOPP_POWER8_AES_AVAILABLE) 100 # if defined(CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY) 104 volatile int result =
true;
106 volatile SigHandler oldHandler = signal(SIGILL, SigIllHandler);
107 if (oldHandler == SIG_ERR)
110 volatile sigset_t oldMask;
111 if (sigprocmask(0, NULLPTR, (sigset_t*)&oldMask))
114 if (setjmp(s_jmpSIGILL))
118 byte key[16] = {0xA0, 0xFA, 0xFE, 0x17, 0x88, 0x54, 0x2c, 0xb1,
119 0x23, 0xa3, 0x39, 0x39, 0x2a, 0x6c, 0x76, 0x05};
120 byte state[16] = {0x19, 0x3d, 0xe3, 0xb3, 0xa0, 0xf4, 0xe2, 0x2b,
121 0x9a, 0xc6, 0x8d, 0x2a, 0xe9, 0xf8, 0x48, 0x08};
122 byte r[16] = {255}, z[16] = {};
132 result = (0 != std::memcmp(r, z, 16));
135 sigprocmask(SIG_SETMASK, (sigset_t*)&oldMask, NULLPTR);
136 signal(SIGILL, oldHandler);
144 bool CPU_ProbeSHA256()
146 #if defined(CRYPTOPP_NO_CPU_FEATURE_PROBES) 148 #elif (__CRYPTO__) && defined(CRYPTOPP_POWER8_SHA_AVAILABLE) 149 # if defined(CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY) 153 volatile int result =
false;
155 volatile SigHandler oldHandler = signal(SIGILL, SigIllHandler);
156 if (oldHandler == SIG_ERR)
159 volatile sigset_t oldMask;
160 if (sigprocmask(0, NULLPTR, (sigset_t*)&oldMask))
163 if (setjmp(s_jmpSIGILL))
167 byte r[16], z[16] = {0};
168 uint8x16_p x = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
170 x = VecSHA256<0,0>(x);
171 x = VecSHA256<0,0xf>(x);
172 x = VecSHA256<1,0>(x);
173 x = VecSHA256<1,0xf>(x);
176 result = (0 == std::memcmp(r, z, 16));
179 sigprocmask(SIG_SETMASK, (sigset_t*)&oldMask, NULLPTR);
180 signal(SIGILL, oldHandler);
185 #endif // CRYPTOPP_ALTIVEC_AVAILABLE 188 bool CPU_ProbeSHA512()
190 #if defined(CRYPTOPP_NO_CPU_FEATURE_PROBES) 192 #elif (__CRYPTO__) && defined(CRYPTOPP_POWER8_SHA_AVAILABLE) 193 # if defined(CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY) 197 volatile int result =
false;
199 volatile SigHandler oldHandler = signal(SIGILL, SigIllHandler);
200 if (oldHandler == SIG_ERR)
203 volatile sigset_t oldMask;
204 if (sigprocmask(0, NULLPTR, (sigset_t*)&oldMask))
207 if (setjmp(s_jmpSIGILL))
211 byte r[16], z[16] = {0};
212 uint8x16_p x = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
214 x = VecSHA512<0,0>(x);
215 x = VecSHA512<0,0xf>(x);
216 x = VecSHA512<1,0>(x);
217 x = VecSHA512<1,0xf>(x);
220 result = (0 == std::memcmp(r, z, 16));
223 sigprocmask(SIG_SETMASK, (sigset_t*)&oldMask, NULLPTR);
224 signal(SIGILL, oldHandler);
229 #endif // CRYPTOPP_POWER8_AVAILABLE 232 #endif // PPC32 or PPC64 T1 VecDecryptLast(const T1 state, const T2 key)
Final round of AES decryption.
Library configuration file.
Support functions for PowerPC and vector operations.
void VecStore(const T data, byte dest[16])
Stores a vector to a byte array.
__vector unsigned long long uint64x2_p
Vector of 64-bit elements.
T1 VecEncryptLast(const T1 state, const T2 key)
Final round of AES encryption.
Crypto++ library namespace.
T1 VecDecrypt(const T1 state, const T2 key)
One round of AES decryption.
uint32x4_p VecLoad(const byte src[16])
Loads a vector from a byte array.
__vector unsigned char uint8x16_p
Vector of 8-bit elements.
T1 VecEncrypt(const T1 state, const T2 key)
One round of AES encryption.