40 lines
1.2 KiB
Go
40 lines
1.2 KiB
Go
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package protocol
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import (
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"errors"
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"fmt"
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)
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// ASN1Error is an error from parsing ASN.1 structures.
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type ASN1Error struct {
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Message string
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}
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// Error implements the error interface.
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func (err ASN1Error) Error() string {
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return fmt.Sprintf("cms/protocol: ASN.1 Error — %s", err.Message)
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}
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var (
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// ErrWrongType is returned by methods that make assumptions about types.
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// Helper methods are defined for accessing CHOICE and ANY feilds. These
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// helper methods get the value of the field, assuming it is of a given type.
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// This error is returned if that assumption is wrong and the field has a
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// different type.
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ErrWrongType = errors.New("cms/protocol: wrong choice or any type")
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// ErrNoCertificate is returned when a requested certificate cannot be found.
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ErrNoCertificate = errors.New("no certificate found")
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// ErrNoKeyFound is returned when a requested certificate cannot be found.
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ErrNoKeyFound = errors.New("no key for decryption found")
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// ErrUnsupported is returned when an unsupported type or version
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// is encountered.
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ErrUnsupported = ASN1Error{"unsupported type or version"}
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// ErrTrailingData is returned when extra data is found after parsing an ASN.1
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// structure.
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ErrTrailingData = ASN1Error{"unexpected trailing data"}
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)
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