+
+void sha256_block_p8(void *ctx, const void *inp, size_t len);
+void sha256_block_ppc(void *ctx, const void *inp, size_t len);
+void sha256_block_data_order(void *ctx, const void *inp, size_t len);
+void sha256_block_data_order(void *ctx, const void *inp, size_t len)
+{
+ OPENSSL_ppccap_P & PPC_CRYPTO207 ? sha256_block_p8(ctx, inp, len) :
+ sha256_block_ppc(ctx, inp, len);
+}
+
+void sha512_block_p8(void *ctx, const void *inp, size_t len);
+void sha512_block_ppc(void *ctx, const void *inp, size_t len);
+void sha512_block_data_order(void *ctx, const void *inp, size_t len);
+void sha512_block_data_order(void *ctx, const void *inp, size_t len)
+{
+ OPENSSL_ppccap_P & PPC_CRYPTO207 ? sha512_block_p8(ctx, inp, len) :
+ sha512_block_ppc(ctx, inp, len);
+}
+
+#ifndef OPENSSL_NO_CHACHA
+void ChaCha20_ctr32_int(unsigned char *out, const unsigned char *inp,
+ size_t len, const unsigned int key[8],
+ const unsigned int counter[4]);
+void ChaCha20_ctr32_vmx(unsigned char *out, const unsigned char *inp,
+ size_t len, const unsigned int key[8],
+ const unsigned int counter[4]);
+void ChaCha20_ctr32_vsx(unsigned char *out, const unsigned char *inp,
+ size_t len, const unsigned int key[8],
+ const unsigned int counter[4]);
+void ChaCha20_ctr32(unsigned char *out, const unsigned char *inp,
+ size_t len, const unsigned int key[8],
+ const unsigned int counter[4])
+{
+ OPENSSL_ppccap_P & PPC_CRYPTO207
+ ? ChaCha20_ctr32_vsx(out, inp, len, key, counter)
+ : OPENSSL_ppccap_P & PPC_ALTIVEC
+ ? ChaCha20_ctr32_vmx(out, inp, len, key, counter)
+ : ChaCha20_ctr32_int(out, inp, len, key, counter);
+}
+#endif
+
+#ifndef OPENSSL_NO_POLY1305
+void poly1305_init_int(void *ctx, const unsigned char key[16]);
+void poly1305_blocks(void *ctx, const unsigned char *inp, size_t len,
+ unsigned int padbit);
+void poly1305_emit(void *ctx, unsigned char mac[16],
+ const unsigned int nonce[4]);
+void poly1305_init_fpu(void *ctx, const unsigned char key[16]);
+void poly1305_blocks_fpu(void *ctx, const unsigned char *inp, size_t len,
+ unsigned int padbit);
+void poly1305_emit_fpu(void *ctx, unsigned char mac[16],
+ const unsigned int nonce[4]);
+int poly1305_init(void *ctx, const unsigned char key[16], void *func[2]);
+int poly1305_init(void *ctx, const unsigned char key[16], void *func[2])
+{
+ if (sizeof(size_t) == 4 && (OPENSSL_ppccap_P & PPC_FPU)) {
+ poly1305_init_fpu(ctx, key);
+ func[0] = (void*)(uintptr_t)poly1305_blocks_fpu;
+ func[1] = (void*)(uintptr_t)poly1305_emit_fpu;
+ } else {
+ poly1305_init_int(ctx, key);
+ func[0] = (void*)(uintptr_t)poly1305_blocks;
+ func[1] = (void*)(uintptr_t)poly1305_emit;
+ }
+ return 1;
+}