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GnuTLS is not a low-level cryptographic library, i.e., it does not provide access to basic cryptographic primitives. However it abstracts the internal cryptographic back-end (see Cryptographic Backend), providing symmetric crypto, hash and HMAC algorithms, as well access to the random number generation.
| • Symmetric cryptography: | ||
| • Hash and HMAC functions: | ||
| • Random number generation: |