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add rsa 1024 support (not recommended though)

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This commit is contained in:
Greg T. Wallace 2024-02-04 10:59:58 -05:00
parent b878deaf2d
commit b633a357c7
4 changed files with 14 additions and 14 deletions
pkg/pkcs15
pem_decode.go

8
pkg/pkcs15/pem_decode.go
View file

@ -13,7 +13,7 @@ var (
errPemKeyBadBlock = errors.New("pkcs15: pem key: failed to decode pem block")
errPemKeyFailedToParse = errors.New("pkcs15: pem key: failed to parse key")
errPemKeyWrongBlockType = errors.New("pkcs15: pem key: unsupported pem block type (only pkcs1 and pkcs8 supported)")
errPemKeyWrongType = errors.New("pkcs15: pem key: unsupported key type (only rsa 2,048 supported)")
errPemKeyWrongType = errors.New("pkcs15: pem key: unsupported key type (only rsa 1,024 or 2,048 supported)")
errPemCertBadBlock = errors.New("pkcs15: pem cert: failed to decode pem block")
errPemCertFailedToParse = errors.New("pkcs15: pem cert: failed to parse cert")
@ -21,7 +21,7 @@ var (
// pemKeyDecode attempts to decode a pem encoded byte slice and then attempts
// to parse an RSA private key from the decoded pem block. an error is returned
// if any of these steps fail OR if the rsa key is not of bitlen 2,048
// if any of these steps fail OR if the key is not RSA and of bitlen 1,024 or 2,048
func pemKeyDecode(keyPem []byte) (*rsa.PrivateKey, error) {
// decode
pemBlock, _ := pem.Decode([]byte(keyPem))
@ -48,7 +48,7 @@ func pemKeyDecode(keyPem []byte) (*rsa.PrivateKey, error) {
}
// verify proper bitlen
if rsaKey.N.BitLen() != 2048 {
if rsaKey.N.BitLen() != 1024 && rsaKey.N.BitLen() != 2048 {
return nil, errPemKeyWrongType
}
@ -71,7 +71,7 @@ func pemKeyDecode(keyPem []byte) (*rsa.PrivateKey, error) {
}
// verify proper bitlen
if rsaKey.N.BitLen() != 2048 {
if rsaKey.N.BitLen() != 1024 && rsaKey.N.BitLen() != 2048 {
return nil, errPemKeyWrongType
}