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Diffstat (limited to 'internal/stupidgcm')
-rw-r--r--internal/stupidgcm/stupidgcm.go10
1 files changed, 7 insertions, 3 deletions
diff --git a/internal/stupidgcm/stupidgcm.go b/internal/stupidgcm/stupidgcm.go
index db9e6ef..58027f8 100644
--- a/internal/stupidgcm/stupidgcm.go
+++ b/internal/stupidgcm/stupidgcm.go
@@ -9,6 +9,7 @@ package stupidgcm
import "C"
import (
+ "crypto/cipher"
"fmt"
"log"
"unsafe"
@@ -28,7 +29,10 @@ type stupidGCM struct {
key []byte
}
-func New(key []byte) stupidGCM {
+var _ cipher.AEAD = &stupidGCM{}
+
+// New returns a new cipher.AEAD implementation..
+func New(key []byte) cipher.AEAD {
if len(key) != keyLen {
log.Panicf("Only %d-byte keys are supported", keyLen)
}
@@ -43,7 +47,7 @@ func (g stupidGCM) Overhead() int {
return tagLen
}
-// Seal - encrypt "in" using "iv" and "authData" and append the result to "dst"
+// Seal encrypts "in" using "iv" and "authData" and append the result to "dst"
func (g stupidGCM) Seal(dst, iv, in, authData []byte) []byte {
if len(iv) != ivLen {
log.Panicf("Only %d-byte IVs are supported", ivLen)
@@ -114,7 +118,7 @@ func (g stupidGCM) Seal(dst, iv, in, authData []byte) []byte {
return append(dst, buf...)
}
-// Open - decrypt "in" using "iv" and "authData" and append the result to "dst"
+// Open decrypts "in" using "iv" and "authData" and append the result to "dst"
func (g stupidGCM) Open(dst, iv, in, authData []byte) ([]byte, error) {
if len(iv) != ivLen {
log.Panicf("Only %d-byte IVs are supported", ivLen)