<!--
{
  "availability" : [
    "iOS: 2.0.0 -",
    "iPadOS: 2.0.0 -",
    "macCatalyst: 13.0.0 -",
    "macOS: 10.0.0 -",
    "tvOS: 9.0.0 -",
    "visionOS: 1.0.0 -",
    "watchOS: 2.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "Security",
  "identifier" : "/documentation/Security/tls_ciphersuite_t",
  "metadataVersion" : "0.1.0",
  "role" : "Enumeration",
  "symbol" : {
    "kind" : "Enumeration",
    "modules" : [
      "Security"
    ],
    "preciseIdentifier" : "c:@E@tls_ciphersuite_t"
  },
  "title" : "tls_ciphersuite_t"
}
-->

# tls_ciphersuite_t

The collection of valid ciphersuites.

```
enum tls_ciphersuite_t
```

## Topics

### AES

[`tls_ciphersuite_t.AES_128_GCM_SHA256`](/documentation/Security/tls_ciphersuite_t/AES_128_GCM_SHA256)

[`tls_ciphersuite_t.AES_256_GCM_SHA384`](/documentation/Security/tls_ciphersuite_t/AES_256_GCM_SHA384)

### Cha Cha Poly

[`tls_ciphersuite_t.CHACHA20_POLY1305_SHA256`](/documentation/Security/tls_ciphersuite_t/CHACHA20_POLY1305_SHA256)

### Elliptic Curve

[`tls_ciphersuite_t.ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA`](/documentation/Security/tls_ciphersuite_t/ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA)

[`tls_ciphersuite_t.ECDHE_ECDSA_WITH_AES_128_CBC_SHA`](/documentation/Security/tls_ciphersuite_t/ECDHE_ECDSA_WITH_AES_128_CBC_SHA)

[`tls_ciphersuite_t.ECDHE_ECDSA_WITH_AES_128_CBC_SHA256`](/documentation/Security/tls_ciphersuite_t/ECDHE_ECDSA_WITH_AES_128_CBC_SHA256)

[`tls_ciphersuite_t.ECDHE_ECDSA_WITH_AES_128_GCM_SHA256`](/documentation/Security/tls_ciphersuite_t/ECDHE_ECDSA_WITH_AES_128_GCM_SHA256)

[`tls_ciphersuite_t.ECDHE_ECDSA_WITH_AES_256_CBC_SHA`](/documentation/Security/tls_ciphersuite_t/ECDHE_ECDSA_WITH_AES_256_CBC_SHA)

[`tls_ciphersuite_t.ECDHE_ECDSA_WITH_AES_256_CBC_SHA384`](/documentation/Security/tls_ciphersuite_t/ECDHE_ECDSA_WITH_AES_256_CBC_SHA384)

[`tls_ciphersuite_t.ECDHE_ECDSA_WITH_AES_256_GCM_SHA384`](/documentation/Security/tls_ciphersuite_t/ECDHE_ECDSA_WITH_AES_256_GCM_SHA384)

[`tls_ciphersuite_t.ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256`](/documentation/Security/tls_ciphersuite_t/ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256)

[`tls_ciphersuite_t.ECDHE_RSA_WITH_3DES_EDE_CBC_SHA`](/documentation/Security/tls_ciphersuite_t/ECDHE_RSA_WITH_3DES_EDE_CBC_SHA)

[`tls_ciphersuite_t.ECDHE_RSA_WITH_AES_128_CBC_SHA`](/documentation/Security/tls_ciphersuite_t/ECDHE_RSA_WITH_AES_128_CBC_SHA)

[`tls_ciphersuite_t.ECDHE_RSA_WITH_AES_128_CBC_SHA256`](/documentation/Security/tls_ciphersuite_t/ECDHE_RSA_WITH_AES_128_CBC_SHA256)

[`tls_ciphersuite_t.ECDHE_RSA_WITH_AES_128_GCM_SHA256`](/documentation/Security/tls_ciphersuite_t/ECDHE_RSA_WITH_AES_128_GCM_SHA256)

[`tls_ciphersuite_t.ECDHE_RSA_WITH_AES_256_CBC_SHA`](/documentation/Security/tls_ciphersuite_t/ECDHE_RSA_WITH_AES_256_CBC_SHA)

[`tls_ciphersuite_t.ECDHE_RSA_WITH_AES_256_CBC_SHA384`](/documentation/Security/tls_ciphersuite_t/ECDHE_RSA_WITH_AES_256_CBC_SHA384)

[`tls_ciphersuite_t.ECDHE_RSA_WITH_AES_256_GCM_SHA384`](/documentation/Security/tls_ciphersuite_t/ECDHE_RSA_WITH_AES_256_GCM_SHA384)

[`tls_ciphersuite_t.ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256`](/documentation/Security/tls_ciphersuite_t/ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256)

### RSA

[`tls_ciphersuite_t.RSA_WITH_3DES_EDE_CBC_SHA`](/documentation/Security/tls_ciphersuite_t/RSA_WITH_3DES_EDE_CBC_SHA)

[`tls_ciphersuite_t.RSA_WITH_AES_128_CBC_SHA`](/documentation/Security/tls_ciphersuite_t/RSA_WITH_AES_128_CBC_SHA)

[`tls_ciphersuite_t.RSA_WITH_AES_128_CBC_SHA256`](/documentation/Security/tls_ciphersuite_t/RSA_WITH_AES_128_CBC_SHA256)

[`tls_ciphersuite_t.RSA_WITH_AES_128_GCM_SHA256`](/documentation/Security/tls_ciphersuite_t/RSA_WITH_AES_128_GCM_SHA256)

[`tls_ciphersuite_t.RSA_WITH_AES_256_CBC_SHA`](/documentation/Security/tls_ciphersuite_t/RSA_WITH_AES_256_CBC_SHA)

[`tls_ciphersuite_t.RSA_WITH_AES_256_CBC_SHA256`](/documentation/Security/tls_ciphersuite_t/RSA_WITH_AES_256_CBC_SHA256)

[`tls_ciphersuite_t.RSA_WITH_AES_256_GCM_SHA384`](/documentation/Security/tls_ciphersuite_t/RSA_WITH_AES_256_GCM_SHA384)



---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)