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MOSIP-42630: null pointer exception fix for cwt payload #524

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Merged
mahammedtaheer merged 2 commits into from
Feb 24, 2026
Merged

MOSIP-42630: null pointer exception fix for cwt payload #524

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819c3b5
MOSIP-42630: null pointer exception fix for cwt payload
nagendra0721 Feb 24, 2026
063e600
MOSIP-42630: kid add
nagendra0721 Feb 24, 2026
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7 changes: 6 additions & 1 deletion ...ervice/src/main/java/io/mosip/kernel/signature/service/impl/CoseSignatureServiceImpl.java
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Original file line number Diff line number Diff line change
Expand Up @@ -385,7 +385,12 @@ public String getKeyId(String kidPrepend, SignatureCertificate certificateRespon
(requestDto.getUnprotectedHeader() != null && requestDto.getUnprotectedHeader().containsKey(SignatureConstant.COSE_HEADER_KID))) {
String kidPrefix = kidPrepend;
if (kidPrepend.equalsIgnoreCase(SignatureConstant.KEY_ID_PREFIX)) {
kidPrefix = SignatureUtil.getIssuerFromPayload(requestDto.getPayload()).concat(SignatureConstant.KEY_ID_SEPARATOR);
String payload = Objects.isNull(requestDto.getPayload()) ? "" : requestDto.getPayload();
kidPrefix = SignatureUtil.getIssuerFromPayload(payload);
if (kidPrefix.isEmpty())
kidPrefix = SignatureConstant.BLANK;
else
kidPrefix = kidPrefix.concat(SignatureConstant.KEY_ID_SEPARATOR);
}
String keyId = SignatureUtil.convertHexToBase64(certificateResponse.getUniqueIdentifier());
if (includeKeyId && Objects.nonNull(keyId)) {
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8 changes: 7 additions & 1 deletion ...kernel-keymanager-service/src/main/java/io/mosip/kernel/signature/util/SignatureUtil.java
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Original file line number Diff line number Diff line change
Expand Up @@ -226,7 +226,13 @@ else return switch (referenceId) {

public static String getIssuerFromPayload(String jsonPayload) {
try {
JsonNode jsonNode = mapper.readTree(jsonPayload);
if (!isDataValid(jsonPayload)) {
LOGGER.error(SignatureConstant.SESSIONID, SignatureConstant.JWT_SIGN, SignatureConstant.BLANK,
"Invalid JSON Payload Data Provided. Payload: " + jsonPayload);
return SignatureConstant.BLANK;
}

JsonNode jsonNode = mapper.readTree(new String(CryptoUtil.decodeURLSafeBase64(jsonPayload)));

if (jsonNode.has(SignatureConstant.ISSUER)) {
return jsonNode.get(SignatureConstant.ISSUER).asText();
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