crypto: fix typos in comments (#29186)

crypto/kzg4844/kzg4844.go

@@ -85,7 +85,7 @@ type Claim [32]byte
 var useCKZG atomic.Bool
 
 // UseCKZG can be called to switch the default Go implementation of KZG to the C
-// library if fo some reason the user wishes to do so (e.g. consensus bug in one
+// library if for some reason the user wishes to do so (e.g. consensus bug in one
 // or the other).
 func UseCKZG(use bool) error {
 	if use && !ckzgAvailable {

crypto/secp256k1/libsecp256k1/include/secp256k1.h

@@ -357,7 +357,7 @@ SECP256K1_API int secp256k1_ecdsa_signature_serialize_compact(
 /** Verify an ECDSA signature.
  *
  *  Returns: 1: correct signature
- *           0: incorrect or unparseable signature
+ *           0: incorrect or unparsable signature
  *  Args:    ctx:       a secp256k1 context object, initialized for verification.
  *  In:      sig:       the signature being verified (cannot be NULL)
  *           msg32:     the 32-byte message hash being verified (cannot be NULL)

crypto/secp256k1/libsecp256k1/sage/group_prover.sage

@@ -17,7 +17,7 @@
 #   - A constraint describing the requirements of the law, called "require"
 # * Implementations are transliterated into functions that operate as well on
 #   algebraic input points, and are called once per combination of branches
-#   exectured. Each execution returns:
+#   executed. Each execution returns:
 #   - A constraint describing the assumptions this implementation requires
 #     (such as Z1=1), called "assumeFormula"
 #   - A constraint describing the assumptions this specific branch requires,