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Adding RS256 signature verification. #7

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Adding RS256 signature verification. #7

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10 changes: 10 additions & 0 deletions source/JSONWebToken-Core.package/JWAHMACSHA256.class/class/checkSignature.withKey..st
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Original file line number Diff line number Diff line change
@@ -0,0 +1,10 @@
sign
checkSignature: parts withKey: key
(self
signMessage:
($.
join:
{parts first.
parts second}) withKey: key)
= parts third base64Padded base64Decoded asByteArray
ifFalse: [ Error signal: 'signature does not match' ]
3 changes: 3 additions & 0 deletions source/JSONWebToken-Core.package/JWANone.class/class/checkSignature.withKey..st
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Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
sign
checkSignature: parts withKey: key

15 changes: 15 additions & 0 deletions source/JSONWebToken-Core.package/JWARSASHA256.class/class/checkSignature.withKey..st
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Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
sign
checkSignature: parts withKey: key
| jwtHeaderAndPayload signatureByteArray rsa pubKey |
jwtHeaderAndPayload := $.
join:
{parts first.
parts second}.
signatureByteArray := parts third base64Padded base64Decoded
asByteArray.
rsa := LcRSA fromRsaPublicKeyPemString: key.
pubKey := LcEvpPublicKey setRSA: rsa.

(pubKey
digestVerifyMessage: jwtHeaderAndPayload
with: signatureByteArray) ifFalse: [ Error signal: 'signature does not match' ]
3 changes: 0 additions & 3 deletions source/JSONWebToken-Core.package/JWARSASHA256.class/class/signMessage.withKey..st
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5 changes: 3 additions & 2 deletions source/JSONWebToken-Core.package/JsonWebSignature.class/instance/checkSignature..st
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
signature
checkSignature: parts
((self signatureFor: ($. join: { parts first . parts second })) = parts third base64Padded base64Decoded asByteArray) ifFalse: [
Error signal: 'signature does not match' ].


self protectedHeader algorithm checkSignature: parts withKey: key