---
title: cssm_key_size
framework: security
role: symbol
role_heading: Structure
path: security/cssm_key_size-swift.struct
---

# cssm_key_size

## Declaration

```swift
struct cssm_key_size
```

## Topics

### Initializers

- [init()](security/cssm_key_size-swift.struct/init().md)
- [init(LogicalKeySizeInBits:EffectiveKeySizeInBits:)](security/cssm_key_size-swift.struct/init(logicalkeysizeinbits:effectivekeysizeinbits:).md)

### Instance Properties

- [EffectiveKeySizeInBits](security/cssm_key_size-swift.struct/effectivekeysizeinbits.md)
- [LogicalKeySizeInBits](security/cssm_key_size-swift.struct/logicalkeysizeinbits.md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Sendable](swift/sendable.md)