Add RSA-OAEP encryption/decryption to Nettle

[Nicolas Mora]

Hello,


https://git.lysator.liu.se/nettle/nettle/-/merge_requests/20

It adds 2 new functions:

int
pkcs1_oaep_encrypt (size_t key_size,
               void *random_ctx, nettle_random_func *random,
               size_t hlen,
               size_t label_length, const uint8_t *label,
               size_t message_length, const uint8_t *message,
               mpz_t m);

int
pkcs1_oaep_decrypt (size_t key_size,
               const mpz_t m,
               size_t hlen,
               size_t label_length, const uint8_t *label,
               size_t *length, uint8_t *message);


- SHA1_DIGEST_SIZE
- SHA256_DIGEST_SIZE
- SHA384_DIGEST_SIZE
- SHA512_DIGEST_SIZE



Thanks in advance

/Nicolas

I've made a new Merge Request in the nettle gitlab repo to provide RSA-OAEP encryption and decryption: The parameter hlen is the output length of the SHA function used for masking data: Is it possible to get feedback for this MR and eventually push it to the master branch?

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