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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| // | ||
| // SHA256.h | ||
| // GigaBitcoin/secp256k1.swift | ||
| // | ||
| // Copyright (c) 2021 GigaBitcoin LLC | ||
| // Distributed under the MIT software license | ||
| // | ||
| // See the accompanying file LICENSE for information | ||
| // | ||
|
|
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| #include "../secp256k1/src/hash.h" | ||
| #include "../secp256k1/include/secp256k1.h" | ||
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| /// Exposes secp256k1 SHA256 implementation to the bindings target | ||
| /// @param output pointer to an array to be filled by the function | ||
| /// @param input a pointer to the data to be hashed | ||
| /// @param len the length of the data to be hashed | ||
| void secp256k1_swift_sha256(unsigned char *output, const unsigned char *input, size_t len); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| // | ||
| // SHA256.c | ||
| // GigaBitcoin/secp256k1.swift | ||
| // | ||
| // Copyright (c) 2021 GigaBitcoin LLC | ||
| // Distributed under the MIT software license | ||
| // | ||
| // See the accompanying file LICENSE for information | ||
| // | ||
|
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| #include "SHA256.h" | ||
| #include "../secp256k1/src/hash_impl.h" | ||
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| /// Exposes secp256k1 SHA256 implementation to the bindings target | ||
| /// @param output pointer to an array to be filled by the function | ||
| /// @param input a pointer to the data to be hashed | ||
| /// @param len the length of the data to be hashed | ||
| void secp256k1_swift_sha256(unsigned char *output, const unsigned char *input, size_t len) { | ||
| secp256k1_sha256 hasher; | ||
| secp256k1_sha256_initialize(&hasher); | ||
| secp256k1_sha256_write(&hasher, input, len); | ||
| secp256k1_sha256_finalize(&hasher, output); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| // | ||
| // Digests.swift | ||
| // GigaBitcoin/secp256k1.swift | ||
| // | ||
| // Modifications Copyright (c) 2021 GigaBitcoin LLC | ||
| // Distributed under the MIT software license | ||
| // | ||
| // See the accompanying file LICENSE for information | ||
| // | ||
| // | ||
| // NOTICE: THIS FILE HAS BEEN MODIFIED BY GigaBitcoin LLC | ||
| // UNDER COMPLIANCE WITH THE APACHE 2.0 LICENSE FROM THE | ||
| // ORIGINAL WORK OF THE COMPANY Apple Inc. | ||
| // | ||
| // THE FOLLOWING IS THE COPYRIGHT OF THE ORIGINAL DOCUMENT: | ||
| // | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
| // | ||
| // This source file is part of the SwiftCrypto open source project | ||
| // | ||
| // Copyright (c) 2019-2020 Apple Inc. and the SwiftCrypto project authors | ||
| // Licensed under Apache License v2.0 | ||
| // | ||
| // See LICENSE.txt for license information | ||
| // See CONTRIBUTORS.md for the list of SwiftCrypto project authors | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
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| import Foundation | ||
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| // MARK: - SHA256Digest + DigestPrivate | ||
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| public struct SHA256Digest: Digest { | ||
| let bytes: (UInt64, UInt64, UInt64, UInt64) | ||
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| public static var byteCount: Int { | ||
| get { return 32 } | ||
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| set { fatalError("Cannot set SHA256.byteCount") } | ||
| } | ||
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| public func withUnsafeBytes<R>(_ body: (UnsafeRawBufferPointer) throws -> R) rethrows -> R { | ||
| return try Swift.withUnsafeBytes(of: bytes) { | ||
| let boundsCheckedPtr = UnsafeRawBufferPointer(start: $0.baseAddress, | ||
| count: Self.byteCount) | ||
| return try body(boundsCheckedPtr) | ||
| } | ||
| } | ||
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| private func toArray() -> ArraySlice<UInt8> { | ||
| var array = [UInt8]() | ||
| array.appendByte(bytes.0) | ||
| array.appendByte(bytes.1) | ||
| array.appendByte(bytes.2) | ||
| array.appendByte(bytes.3) | ||
| return array.prefix(upTo: SHA256Digest.byteCount) | ||
| } | ||
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| public var description: String { | ||
| return "\("SHA256") digest: \(toArray().hexString)" | ||
| } | ||
|
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| public func hash(into hasher: inout Hasher) { | ||
| self.withUnsafeBytes { hasher.combine(bytes: $0) } | ||
| } | ||
| } |
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