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Remove zerocash's SHA256 implementation

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This commit is contained in:
Sean Bowe
2016-03-31 15:59:06 -06:00
parent 8466467a35
commit d3612b1c94
10 changed files with 107 additions and 281 deletions
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59
src/zerocash/utils/util.cpp
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@@ -203,68 +203,65 @@ void concatenateVectors(const std::vector<unsigned char>& A, const std::vector<u
}
void sha256(const unsigned char* input, unsigned char* hash, int len) {
SHA256_CTX_mod ctx256;
sha256_init(&ctx256);
sha256_update(&ctx256, input, len);
sha256_final_no_padding(&ctx256, hash);
CSHA256 hasher;
hasher.Write(input, len);
hasher.FinalizeNoPadding(hash);
}
void sha256(SHA256_CTX_mod* ctx256, const unsigned char* input, unsigned char* hash, int len) {
sha256_init(ctx256);
sha256_update(ctx256, input, len);
sha256_final_no_padding(ctx256, hash);
void sha256(CSHA256& hasher, const unsigned char* input, unsigned char* hash, int len) {
hasher.Write(input, len);
hasher.FinalizeNoPadding(hash);
}
void hashVector(SHA256_CTX_mod* ctx256, const std::vector<bool> input, std::vector<bool>& output) {
void hashVector(CSHA256& hasher, const std::vector<bool> input, std::vector<bool>& output) {
int size = int(input.size() / 8);
unsigned char bytes[size];
convertVectorToBytes(input, bytes);
unsigned char hash[SHA256_BLOCK_SIZE];
sha256(ctx256, bytes, hash, (int)size);
unsigned char hash[CSHA256::OUTPUT_SIZE];
sha256(hasher, bytes, hash, (int)size);
convertBytesToVector(hash, output);
}
void hashVector(SHA256_CTX_mod* ctx256, const std::vector<unsigned char> input, std::vector<unsigned char>& output) {
void hashVector(CSHA256& hasher, const std::vector<unsigned char> input, std::vector<unsigned char>& output) {
int size = int(input.size());
unsigned char bytes[size];
convertBytesVectorToBytes(input, bytes);
unsigned char hash[SHA256_BLOCK_SIZE];
sha256(ctx256, bytes, hash, (int)size);
unsigned char hash[CSHA256::OUTPUT_SIZE];
sha256(hasher, bytes, hash, (int)size);
convertBytesToBytesVector(hash, output);
}
void hashVector(const std::vector<bool> input, std::vector<bool>& output) {
SHA256_CTX_mod ctx256;
CSHA256 hasher;
int size = int(input.size() / 8);
unsigned char bytes[size];
convertVectorToBytes(input, bytes);
unsigned char hash[SHA256_BLOCK_SIZE];
sha256(&ctx256, bytes, hash, (int)size);
unsigned char hash[CSHA256::OUTPUT_SIZE];
sha256(hasher, bytes, hash, (int)size);
convertBytesToVector(hash, output);
}
void hashVector(const std::vector<unsigned char> input, std::vector<unsigned char>& output) {
SHA256_CTX_mod ctx256;
CSHA256 hasher;
int size = int(input.size());
unsigned char bytes[size];
convertBytesVectorToBytes(input, bytes);
unsigned char hash[SHA256_BLOCK_SIZE];
sha256(&ctx256, bytes, hash, (int)size);
unsigned char hash[CSHA256::OUTPUT_SIZE];
sha256(hasher, bytes, hash, (int)size);
convertBytesToBytesVector(hash, output);
}
void hashVectors(SHA256_CTX_mod* ctx256, const std::vector<bool> left, const std::vector<bool> right, std::vector<bool>& output) {
void hashVectors(CSHA256& hasher, const std::vector<bool> left, const std::vector<bool> right, std::vector<bool>& output) {
std::vector<bool> concat;
concatenateVectors(left, right, concat);
@@ -272,13 +269,13 @@ void hashVectors(SHA256_CTX_mod* ctx256, const std::vector<bool> left, const std
unsigned char bytes[size];
convertVectorToBytes(concat, bytes);
unsigned char hash[SHA256_BLOCK_SIZE];
sha256(ctx256, bytes, hash, (int)size);
unsigned char hash[CSHA256::OUTPUT_SIZE];
sha256(hasher, bytes, hash, (int)size);
convertBytesToVector(hash, output);
}
void hashVectors(SHA256_CTX_mod* ctx256, const std::vector<unsigned char> left, const std::vector<unsigned char> right, std::vector<unsigned char>& output) {
void hashVectors(CSHA256& hasher, const std::vector<unsigned char> left, const std::vector<unsigned char> right, std::vector<unsigned char>& output) {
std::vector<unsigned char> concat;
concatenateVectors(left, right, concat);
@@ -286,23 +283,21 @@ void hashVectors(SHA256_CTX_mod* ctx256, const std::vector<unsigned char> left,
unsigned char bytes[size];
convertBytesVectorToBytes(concat, bytes);
unsigned char hash[SHA256_BLOCK_SIZE];
sha256(ctx256, bytes, hash, (int)size);
unsigned char hash[CSHA256::OUTPUT_SIZE];
sha256(hasher, bytes, hash, (int)size);
convertBytesToBytesVector(hash, output);
}
void hashVectors(const std::vector<bool> left, const std::vector<bool> right, std::vector<bool>& output) {
std::cout << std::endl;
std::vector<bool> concat;
std::vector<bool> concat;
concatenateVectors(left, right, concat);
int size = int(concat.size() / 8);
unsigned char bytes[size];
convertVectorToBytes(concat, bytes);
unsigned char hash[SHA256_BLOCK_SIZE];
unsigned char hash[CSHA256::OUTPUT_SIZE];
sha256(bytes, hash, (int)size);
convertBytesToVector(hash, output);
@@ -316,7 +311,7 @@ void hashVectors(const std::vector<unsigned char> left, const std::vector<unsign
unsigned char bytes[size];
convertBytesVectorToBytes(concat, bytes);
unsigned char hash[SHA256_BLOCK_SIZE];
unsigned char hash[CSHA256::OUTPUT_SIZE];
sha256(bytes, hash, (int)size);
convertBytesToBytesVector(hash, output);