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-rw-r--r--src/x509.erl7
1 files changed, 2 insertions, 5 deletions
diff --git a/src/x509.erl b/src/x509.erl
index 279d9b9..2d4cffa 100644
--- a/src/x509.erl
+++ b/src/x509.erl
@@ -171,10 +171,7 @@ signed_by_p(SubjectDer, IssuerDer) ->
end.
verify_sig(IssuerSPKI, {DigestOrPlainText, DigestType, Signature}) ->
- %% Dig out alg, params and key from issuer.
- #'SubjectPublicKeyInfo'{
- algorithm = #'AlgorithmIdentifier'{algorithm = Alg, parameters = Params},
- subjectPublicKey = {0, Key0}} = IssuerSPKI,
+ {Alg, Params, Key0} = compat:unpack_issuer(IssuerSPKI),
KeyType = pubkey_cert_records:supportedPublicKeyAlgorithms(Alg),
IssuerKey =
case KeyType of
@@ -196,7 +193,7 @@ verify_sig(IssuerSPKI, {DigestOrPlainText, DigestType, Signature}) ->
%% Code from pubkey_cert:extract_verify_data/2.
extract_verify_data(Cert, DerCert) ->
PlainText = encoded_tbs_cert(DerCert),
- {_, Sig} = Cert#'Certificate'.signature,
+ Sig = compat:unpack_signature(Cert#'Certificate'.signature),
SigAlgRecord = Cert#'Certificate'.signatureAlgorithm,
SigAlg = SigAlgRecord#'AlgorithmIdentifier'.algorithm,
try