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6.4 Associating the credentials
| 6.4.1 Certificates | ||
| 6.4.2 SRP | ||
| 6.4.3 PSK | ||
| 6.4.4 Anonymous |
Each authentication method is associated with a key exchange method, and a credentials type. The contents of the credentials is method-dependent, e.g. certificates for certificate authentication and should be initialized and associated with a session (see gnutls_credentials_set). A mapping of the key exchange methods with the credential types is shown in Table 6.1.
| Authentication method | Key exchange | Client credentials | Server credentials |
|---|---|---|---|
| Certificate | KX_RSA,
KX_DHE_RSA,
KX_DHE_DSS,
KX_ECDHE_RSA,
KX_ECDHE_ECDSA,
KX_RSA_EXPORT | CRD_CERTIFICATE | CRD_CERTIFICATE |
| Password and certificate | KX_SRP_RSA, KX_SRP_DSS | CRD_SRP | CRD_CERTIFICATE, CRD_SRP |
| Password | KX_SRP | CRD_SRP | CRD_SRP |
| Anonymous | KX_ANON_DH,
KX_ANON_ECDH | CRD_ANON | CRD_ANON |
| Pre-shared key | KX_PSK,
KX_DHE_PSK, KX_ECDHE_PSK | CRD_PSK | CRD_PSK |
Table 6.1: Key exchange algorithms and the corresponding credential types.
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