org.eclipse.osgi.signedcontent
Interface SignedContent
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public interface SignedContent
A SignedContent object represents content which may be signed. A
SignedContentFactory is used to create signed content objects.
A SignedContent object is intended to provide information about
the signers of the content, and cannot be used to access the actual data of the content.
This interface is not intended to be implemented by clients.
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Since:
- 3.4
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Restriction:
- This interface is not intended to be implemented by clients.
getSignedEntries
SignedContentEntry[] getSignedEntries()
- Returns all entries of the content. The returned entries can be used
to verify the entry content using
SignedContentEntry.verify() and
get signer info for each entry in this content using
SignedContentEntry.getSignerInfos().
Note that this operation may be expensive because it requires an
exhaustive search for entries over the entire content.
Unsigned entries are included in the result. Entries for which signer info exists
but no content is found are also returned. For example, when an entry is removed from
a signed jar but the jar is not resigned, the signer thinks the entry should exist
but the content got removed. This would be considered an invalid entry which would fail verification.
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Returns:
- all entries of the content
getSignedEntry
SignedContentEntry getSignedEntry(
String name)
- Returns the signed entry for the specified name.
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Parameters:
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name - the name of the entry
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Returns:
- the entry or null if the entry could not be found
getSignerInfos
SignerInfo[] getSignerInfos()
- Returns all the signer infos for this
SignedContent. If the content
is not signed then an empty array is returned.
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Returns:
- all the signer infos for this
SignedContent
isSigned
boolean isSigned()
- Returns true if the content is signed; false otherwise. This is a convenience method
equivalent to calling
getSignerInfos().length > 0
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Returns:
- true if the content is signed
getSigningTime
Date getSigningTime(
SignerInfo signerInfo)
- Returns the signing time for the signer info. If no TSA signers exist then null is returned
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Parameters:
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signerInfo - the signer info to get the signing time for
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Returns:
- the signing time
getTSASignerInfo
SignerInfo getTSASignerInfo(
SignerInfo signerInfo)
- Returns the TSA signer info used to authenticate the signer time of a signer info.
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Parameters:
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signerInfo - the signer info to get the TSA signer for
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Returns:
- the TSA signer info
checkValidity
void checkValidity(
SignerInfo signerInfo)
throws
CertificateExpiredException,
CertificateNotYetValidException
- Checks if the certificates are valid for the specified signer. If the signer has a singing time
returned by
getSigningTime(SignerInfo) then that time is used to check the
validity of the certificates; otherwise the current time is used.
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Parameters:
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signerInfo - the signer info to check validity for.
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Throws:
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CertificateExpiredException
- if one of the certificates of this signer is expired
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CertificateNotYetValidException
- if one of the certificates of this signer is not yet valid
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