diff options
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/pbkdf2.go | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/crypto/pbkdf2.go b/crypto/pbkdf2.go index d5217429..0cc44d7e 100644 --- a/crypto/pbkdf2.go +++ b/crypto/pbkdf2.go @@ -7,22 +7,23 @@ import ( "crypto/sha512" "fmt" "hash" + "sync" "golang.org/x/crypto/pbkdf2" ) -var hashFuncs map[crypto.Hash]func() hash.Hash +var hashFuncs = sync.OnceValue[map[crypto.Hash]func() hash.Hash](func() map[crypto.Hash]func() hash.Hash { + h := make(map[crypto.Hash]func() hash.Hash) + h[crypto.SHA1] = sha1.New + h[crypto.SHA224] = sha256.New224 + h[crypto.SHA256] = sha256.New + h[crypto.SHA384] = sha512.New384 + h[crypto.SHA512] = sha512.New + h[crypto.SHA512_224] = sha512.New512_224 + h[crypto.SHA512_256] = sha512.New512_256 -func init() { - hashFuncs = make(map[crypto.Hash]func() hash.Hash) - hashFuncs[crypto.SHA1] = sha1.New - hashFuncs[crypto.SHA224] = sha256.New224 - hashFuncs[crypto.SHA256] = sha256.New - hashFuncs[crypto.SHA384] = sha512.New384 - hashFuncs[crypto.SHA512] = sha512.New - hashFuncs[crypto.SHA512_224] = sha512.New512_224 - hashFuncs[crypto.SHA512_256] = sha512.New512_256 -} + return h +})() // StrToHash - find a hash given a certain string func StrToHash(hash string) (crypto.Hash, error) { |