ceph/src/crypto/isa-l/isa-l_crypto/aes/gcm_pre.c

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  29
  30 #include <aes_gcm.h>
  31 #include <aes_keyexp.h>
  32
  33 void aes_keyexp_128_enc(uint8_t *, uint8_t *);
  34 void aesni_gcm128_precomp(struct gcm_data *my_ctx_data);
  35 void aesni_gcm256_precomp(struct gcm_data *my_ctx_data);
  36
  37 void aesni_gcm128_pre(uint8_t * key, struct gcm_data *gdata)
  38 {
  39         //////
  40         // Prefill the key values for each round of encrypting/decrypting
  41         // Prefill the Sub Hash key values for encoding the tag
  42         //////
  43         aes_keyexp_128_enc(key, (uint8_t *) gdata->expanded_keys);
  44         aesni_gcm128_precomp(gdata);
  45
  46 }
  47
  48 void aesni_gcm256_pre(uint8_t * key, struct gcm_data *gdata)
  49 {
  50         struct gcm_data tmp;
  51         //////
  52         // Prefill the key values for each round of encrypting/decrypting
  53         // Prefill the Sub Hash key values for encoding the tag
  54         //////
  55         aes_keyexp_256(key, gdata->expanded_keys, tmp.expanded_keys);
  56         aesni_gcm256_precomp(gdata);
  57
  58 }
  59
  60 struct slver {
  61         uint16_t snum;
  62         uint8_t ver;
  63         uint8_t core;
  64 };
  65
  66 // Version info
  67 struct slver aesni_gcm128_pre_slver_00000287;
  68 struct slver aesni_gcm128_pre_slver = { 0x0287, 0x00, 0x00 };
  69
  70 struct slver aesni_gcm256_pre_slver_0000028f;
  71 struct slver aesni_gcm256_pre_slver = { 0x028f, 0x00, 0x00 };