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fix(crypto): nil pointer dereference in crypto.BytesToPrivateKey (#491) (#493)

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This commit is contained in:
Oleksandr Shepetko 2023-12-05 17:15:59 +02:00 • committed by GitHub
parent fe3e02b80a
commit 3a4d44cae7
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2 changed files with 71 additions and 4 deletions
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13
pkg/crypto/key.go
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@ -4,14 +4,19 @@ import (
"crypto/rsa"
"crypto/x509"
"encoding/pem"
"errors"
)
func BytesToPrivateKey(priv []byte) (*rsa.PrivateKey, error) {
block, _ := pem.Decode(priv)
b := block.Bytes
key, err := x509.ParsePKCS1PrivateKey(b)
func BytesToPrivateKey(b []byte) (*rsa.PrivateKey, error) {
block, _ := pem.Decode(b)
if block == nil {
return nil, errors.New("PEM decode failed")
}
key, err := x509.ParsePKCS1PrivateKey(block.Bytes)
if err != nil {
return nil, err
}
return key, nil
}