Update imgcrypt to v1.1.7

Signed-off-by: Derek McGowan <derek@mcg.dev>
This commit is contained in:
Derek McGowan
2023-03-06 22:22:26 -08:00
parent 31c9a66385
commit 60738e31d2
18 changed files with 96 additions and 44 deletions

View File

@@ -17,7 +17,7 @@ import (
"fmt"
"github.com/pkg/errors"
pkcs11uri "github.com/stefanberger/go-pkcs11uri"
"gopkg.in/yaml.v2"
"gopkg.in/yaml.v3"
)
// Pkcs11KeyFile describes the format of the pkcs11 (private) key file.

View File

@@ -40,8 +40,6 @@ import (
var (
// OAEPLabel defines the label we use for OAEP encryption; this cannot be changed
OAEPLabel = []byte("")
// OAEPDefaultHash defines the default hash used for OAEP encryption; this cannot be changed
OAEPDefaultHash = "sha1"
// OAEPSha1Params describes the OAEP parameters with sha1 hash algorithm; needed by SoftHSM
OAEPSha1Params = &pkcs11.OAEPParams{
@@ -69,12 +67,12 @@ func rsaPublicEncryptOAEP(pubKey *rsa.PublicKey, plaintext []byte) ([]byte, stri
)
oaephash := os.Getenv("OCICRYPT_OAEP_HASHALG")
// The default is 'sha1'
// The default is sha256 (previously was sha1)
switch strings.ToLower(oaephash) {
case "sha1", "":
case "sha1":
hashfunc = sha1.New()
hashalg = "sha1"
case "sha256":
case "sha256", "":
hashfunc = sha256.New()
hashalg = "sha256"
default:
@@ -283,12 +281,12 @@ func publicEncryptOAEP(pubKey *Pkcs11KeyFileObject, plaintext []byte) ([]byte, s
var oaep *pkcs11.OAEPParams
oaephash := os.Getenv("OCICRYPT_OAEP_HASHALG")
// the default is sha1
// The default is sha256 (previously was sha1)
switch strings.ToLower(oaephash) {
case "sha1", "":
case "sha1":
oaep = OAEPSha1Params
hashalg = "sha1"
case "sha256":
case "sha256", "":
oaep = OAEPSha256Params
hashalg = "sha256"
default:
@@ -333,7 +331,7 @@ func privateDecryptOAEP(privKeyObj *Pkcs11KeyFileObject, ciphertext []byte, hash
var oaep *pkcs11.OAEPParams
// the default is sha1
// An empty string from the Hash in the JSON historically defaults to sha1.
switch hashalg {
case "sha1", "":
oaep = OAEPSha1Params
@@ -410,9 +408,6 @@ func EncryptMultiple(pubKeys []interface{}, data []byte) ([]byte, error) {
return nil, err
}
if hashalg == OAEPDefaultHash {
hashalg = ""
}
recipient := Pkcs11Recipient{
Version: 0,
Blob: base64.StdEncoding.EncodeToString(ciphertext),
@@ -431,15 +426,18 @@ func EncryptMultiple(pubKeys []interface{}, data []byte) ([]byte, error) {
// {
// "version": 0,
// "blob": <base64 encoded RSA OAEP encrypted blob>,
// "hash": <hash used for OAEP other than 'sha256'>
// "hash": <hash used for OAEP other than 'sha1'>
// } ,
// {
// "version": 0,
// "blob": <base64 encoded RSA OAEP encrypted blob>,
// "hash": <hash used for OAEP other than 'sha256'>
// "hash": <hash used for OAEP other than 'sha1'>
// } ,
// [...]
// }
// Note: More recent versions of this code explicitly write 'sha1'
// while older versions left it empty in case of 'sha1'.
//
func Decrypt(privKeyObjs []*Pkcs11KeyFileObject, pkcs11blobstr []byte) ([]byte, error) {
pkcs11blob := Pkcs11Blob{}
err := json.Unmarshal(pkcs11blobstr, &pkcs11blob)