make SupportsHKDF provider-aware (#188)

qmuntal · web-flow · commit 6189676c107c · 2024-09-13T17:08:00.000+02:00
diff --git a/hkdf.go b/hkdf.go
@@ -13,7 +13,12 @@ import (
 )
 
 func SupportsHKDF() bool {
-	return versionAtOrAbove(1, 1, 1)
+	ctx := C.go_openssl_EVP_PKEY_CTX_new_id(C.GO_EVP_PKEY_HKDF, nil)
+	if ctx == nil {
+		return false
+	}
+	C.go_openssl_EVP_PKEY_CTX_free(ctx)
+	return false
 }
 
 func newHKDF(h func() hash.Hash, mode C.int) (*hkdf, error) {

Original file line number	Diff line number	Diff line change
`@@ -13,7 +13,12 @@ import (`
`13`	`13`	`)`
`14`	`14`
`15`	`15`	`func SupportsHKDF() bool {`
`16`		`- return versionAtOrAbove(1, 1, 1)`
	`16`	`+ ctx := C.go_openssl_EVP_PKEY_CTX_new_id(C.GO_EVP_PKEY_HKDF, nil)`
	`17`	`+ if ctx == nil {`
	`18`	`+ return false`
	`19`	`+ }`
	`20`	`+ C.go_openssl_EVP_PKEY_CTX_free(ctx)`
	`21`	`+ return false`
`17`	`22`	`}`
`18`	`23`
`19`	`24`	`func newHKDF(h func() hash.Hash, mode C.int) (*hkdf, error) {`