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interop/crypto: update documentation
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1 changed files with 11 additions and 8 deletions
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@ -1,29 +1,32 @@
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/*
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Package crypto provides an interface to VM cryptographic instructions.
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*/
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package crypto
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// Package crypto provides function signatures that can be used inside
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// smart contracts that are written in the neo-go framework.
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// SHA1 computes the sha1 hash of b.
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// SHA1 computes SHA1 hash of b. It uses `SHA1` VM instruction.
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func SHA1(b []byte) []byte {
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return nil
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}
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// SHA256 computes the sha256 hash of b.
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// SHA256 computes SHA256 hash of b. It uses `SHA256` VM instruction.
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func SHA256(b []byte) []byte {
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return nil
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}
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// Hash160 computes the sha256 + ripemd160 of b.
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// Hash160 computes SHA256 + RIPEMD-160 of b, which is commonly used for
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// script hashing and address generation. It uses `HASH160` VM instruction.
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func Hash160(b []byte) []byte {
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return nil
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}
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// Hash256 computes the sha256^2 hash of b.
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// Hash256 computes double SHA256 hash of b (SHA256(SHA256(b))) which is used
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// as ID for transactions, blocks and assets. It uses `HASH256` VM instruction.
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func Hash256(b []byte) []byte {
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return nil
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}
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// VerifySignature checks that sig is msg's signature with pub.
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// VerifySignature checks that sig is correct msg's signature for a given pub
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// (serialized public key). It uses `VERIFY` VM instruction.
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func VerifySignature(msg []byte, sig []byte, pub []byte) bool {
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return false
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}
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