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Fix typos on signature.go

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This commit is contained in:
Evan Tedesco 2023-11-28 14:00:54 -07:00 committed by John C. Vernaleo
parent 4171854739
commit 6ea604df63
1 changed files with 9 additions and 10 deletions
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19
btcec/schnorr/signature.go
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@ -124,8 +124,7 @@ func schnorrVerify(sig *Signature, hash []byte, pubKeyBytes []byte) error {
// 7. Fail if is_infinite(R) // 7. Fail if is_infinite(R)
// 8. Fail if not hash_even_y(R) // 8. Fail if not hash_even_y(R)
// 9. Fail is x(R) != r. // 9. Fail is x(R) != r.
// 10. Return success iff not failure occured before reachign this // 10. Return success if failure did not occur before reaching this point.
// point.
// Step 1. // Step 1.
// //
@ -238,14 +237,14 @@ func zeroArray(a *[scalarSize]byte) {
} }
} }
// schnorrSign generates an BIP-340 signature over the secp256k1 curve for the // schnorrSign generates a BIP-340 signature over the secp256k1 curve for the
// provided hash (which should be the result of hashing a larger message) using // provided hash (which should be the result of hashing a larger message) using
// the given nonce and private key. The produced signature is deterministic // the given nonce and private key. The produced signature is deterministic
// (same message, nonce, and key yield the same signature) and canonical. // (same message, nonce, and key yield the same signature) and canonical.
// //
// WARNING: The hash MUST be 32 bytes and both the nonce and private keys must // WARNING: The hash MUST be 32 bytes and both the nonce and private keys must
// NOT be 0. Since this is an internal use function, these preconditions MUST // NOT be 0. Since this is an internal use function, these preconditions MUST
// be satisified by the caller. // be satisfied by the caller.
func schnorrSign(privKey, nonce *btcec.ModNScalar, pubKey *btcec.PublicKey, hash []byte, func schnorrSign(privKey, nonce *btcec.ModNScalar, pubKey *btcec.PublicKey, hash []byte,
opts *signOptions) (*Signature, error) { opts *signOptions) (*Signature, error) {
@ -256,7 +255,7 @@ func schnorrSign(privKey, nonce *btcec.ModNScalar, pubKey *btcec.PublicKey, hash
// n = curve order // n = curve order
// d = private key // d = private key
// m = message // m = message
// a = input randmoness // a = input randomness
// r, s = signature // r, s = signature
// //
// 1. d' = int(d) // 1. d' = int(d)
@ -342,8 +341,8 @@ func schnorrSign(privKey, nonce *btcec.ModNScalar, pubKey *btcec.PublicKey, hash
return sig, nil return sig, nil
} }
// SignOption is a functional option arguemnt that allows callers to modify the // SignOption is a functional option argument that allows callers to modify the
// way we generate BIP-340 schnorr signatues. // way we generate BIP-340 schnorr signatures.
type SignOption func(*signOptions) type SignOption func(*signOptions)
// signOptions houses the set of functional options that can be used to modify // signOptions houses the set of functional options that can be used to modify
@ -364,7 +363,7 @@ func defaultSignOptions() *signOptions {
} }
// FastSign forces signing to skip the extra verification step at the end. // FastSign forces signing to skip the extra verification step at the end.
// Peformance sensitive applications may opt to use this option to speed up the // Performance sensitive applications may opt to use this option to speed up the
// signing operation. // signing operation.
func FastSign() SignOption { func FastSign() SignOption {
return func(o *signOptions) { return func(o *signOptions) {
@ -409,7 +408,7 @@ func Sign(privKey *btcec.PrivateKey, hash []byte,
// n = curve order // n = curve order
// d = private key // d = private key
// m = message // m = message
// a = input randmoness // a = input randomness
// r, s = signature // r, s = signature
// //
// 1. d' = int(d) // 1. d' = int(d)
@ -471,7 +470,7 @@ func Sign(privKey *btcec.PrivateKey, hash []byte,
// At this point, we check to see if a CustomNonce has been passed in, // At this point, we check to see if a CustomNonce has been passed in,
// and if so, then we'll deviate from the main routine here by // and if so, then we'll deviate from the main routine here by
// generating the nonce value as specifid by BIP-0340. // generating the nonce value as specified by BIP-0340.
if opts.authNonce != nil { if opts.authNonce != nil {
// Step 6. // Step 6.
// //