adding crypto/hash.h and move openssl specific code from checksum.cpp to crypto/openssl/hash.cpp

CMakeLists.txt

@@ -45,7 +45,10 @@ endif()
 
 # Libraries
 find_package(OpenSSL 1.1 REQUIRED)
-set (PROGRAM_SOURCE ${PROGRAM_SOURCE} src/crypto/openssl/ec.cpp)
+set (PROGRAM_SOURCE ${PROGRAM_SOURCE}
+	src/crypto/openssl/ec.cpp
+	src/crypto/openssl/hash.cpp
+)
 
 if (USE_THREADS)
 	find_package(Threads)

src/checksum.cpp

@@ -21,32 +21,31 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-#include <openssl/sha.h>
-#include <openssl/ripemd.h>
 #include <cstring>
+#include "crypto/hash.h"
 #include "checksum.h"
 
 namespace eoskeygen {
 
-inline void sha256d(const unsigned char *data, std::size_t len, unsigned char *out) {
-	SHA256(data, len, out);
-	SHA256(out, 32, out);
+inline void sha256d(const unsigned char *data, std::size_t len, sha256_t *out) {
+	sha256(data, len, out);
+	sha256(out->data, 32, out);
 }
 
-#define checksum_impl(name, func) \
-	checksum_t checksum_##name(const unsigned char *data, std::size_t len) { 	\
+#define checksum_impl(func, type) \
+	checksum_t checksum_##func(const unsigned char *data, std::size_t len) { 	\
 																				\
 		checksum_t crc;															\
-		unsigned char hash[32];													\
+		type hash;																\
 																				\
-		func(data, len, hash);													\
+		func(data, len, &hash);													\
 																				\
-		std::memcpy(crc.data(), hash, crc.size());								\
+		std::memcpy(crc.data(), &hash, crc.size());								\
 		return crc;																\
 	}
 
 
-checksum_impl(sha256d, sha256d)
-checksum_impl(ripemd160, RIPEMD160)
+checksum_impl(sha256d, sha256_t)
+checksum_impl(ripemd160, ripemd160_t)
 
 } // namespace eosio-keygen

src/crypto/hash.h

@@ -0,0 +1,38 @@
+/**
+ * MIT License
+ *
+ * Copyright (c) 2019-2020 EOS Sw/eden
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef EOSIOKEYGEN_CRYPTO_HASH_H
+#define EOSIOKEYGEN_CRYPTO_HASH_H
+
+#include <cstddef>
+#include "types.h"
+
+namespace eoskeygen {
+
+sha256_t* sha256(const unsigned char *data, std::size_t len, sha256_t* out);
+
+ripemd160_t* ripemd160(const unsigned char *data, std::size_t len, ripemd160_t* out);
+
+} // namespace eoskeygen
+
+#endif /* EOSIOKEYGEN_CRYPTO_HASH_H */

src/crypto/openssl/hash.cpp

@@ -0,0 +1,38 @@
+/**
+ * MIT License
+ *
+ * Copyright (c) 2019-2020 EOS Sw/eden
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <openssl/sha.h>
+#include <openssl/ripemd.h>
+#include "../hash.h"
+
+namespace eoskeygen {
+
+sha256_t* sha256(const unsigned char *data, std::size_t len, sha256_t* out) {
+	return (sha256_t *) SHA256(data, len, out->data);
+}
+
+ripemd160_t* ripemd160(const unsigned char *data, std::size_t len, ripemd160_t* out) {
+	return (ripemd160_t *) RIPEMD160(data, len, out->data);
+}
+
+} // namespace eoskeygen

src/crypto/types.h

@@ -45,6 +45,11 @@ struct ec_keypair {
 	ec_pubkey_t pub;
 };
 
+// Hashes.
+
+typedef struct { unsigned char data[20]; } ripemd160_t;
+typedef struct { unsigned char data[32]; } sha256_t;
+
 } // namespace eoskeygen
 
 #endif /* EOSIOKEYGEN_CRYPTO_TYPES_H */