Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

add support for RSA 1.5 transport of AES keys #55

Open
wants to merge 1 commit into
base: main
Choose a base branch
from
Open

add support for RSA 1.5 transport of AES keys #55

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
13 changes: 13 additions & 0 deletions types/encrypted_key.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@ type DigestMethod struct {
const (
MethodRSAOAEP = "http://www.w3.org/2001/04/xmlenc#rsa-oaep-mgf1p"
MethodRSAOAEP2 = "http://www.w3.org/2009/xmlenc11#rsa-oaep"
MethodRSA1_5 = "http://www.w3.org/2001/04/xmlenc#rsa-1_5"
)

//Well-known private key encryption methods
Expand Down Expand Up @@ -131,6 +132,18 @@ func (ek *EncryptedKey) DecryptSymmetricKey(cert *tls.Certificate) (cipher.Block
return nil, err
}

return b, nil
case MethodRSA1_5:
pt, err := rsa.DecryptPKCS1v15(rand.Reader, pk, cipherText)
if err != nil {
return nil, fmt.Errorf("rsa internal error: %v", err)
}

b, err := aes.NewCipher(pt)
if err != nil {
return nil, err
}

return b, nil
default:
return nil, fmt.Errorf("unsupported encryption algorithm: %s", ek.EncryptionMethod.Algorithm)
Expand Down