26 lines
516 B
Go
26 lines
516 B
Go
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package symm
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// CipherOptions provides a unified configuration for symmetric APIs.
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// For GCM mode, Nonce is used; if Nonce is empty, IV is used as fallback.
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type CipherOptions struct {
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Mode string
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Padding string
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IV []byte
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Nonce []byte
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AAD []byte
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}
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func normalizeCipherOptions(opts *CipherOptions) CipherOptions {
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if opts == nil {
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return CipherOptions{}
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}
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return *opts
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}
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func nonceFromOptions(opts CipherOptions) []byte {
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if len(opts.Nonce) > 0 {
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return opts.Nonce
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}
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return opts.IV
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}
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