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added extended attribute getter for notation-go #46

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merged 2 commits into from
Aug 22, 2022
Merged

added extended attribute getter for notation-go #46

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b6cbbf8
added extended attribute getter for notation-go
Two-Hearts Aug 22, 2022
767ec49
update
Two-Hearts Aug 22, 2022
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12 changes: 12 additions & 0 deletions signature/types.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ package signature

import (
"crypto/x509"
"errors"
"time"
)

Expand Down Expand Up @@ -119,3 +120,14 @@ type Payload struct {
// Content contains the raw bytes of the payload.
Content []byte
}

// ExtendedAttribute fetches the specified Attribute with provided key from
// signerInfo.SignedAttributes.ExtendedAttributes
func (signerInfo *SignerInfo) ExtendedAttribute(key string) (Attribute, error) {
for _, attr := range signerInfo.SignedAttributes.ExtendedAttributes {
if attr.Key == key {
return attr, nil
}
}
return Attribute{}, errors.New("key not in ExtendedAttributes")
}