projects / thirdparty / openssl.git / blame
| Commit | Line | Data |
|---|---|---|
| 4a42e264 SL |
1 | /* |
| 2 | * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved. | |
| 3 | * | |
| 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use | |
| 5 | * this file except in compliance with the License. You can obtain a copy | |
| 6 | * in the file LICENSE in the source distribution or at | |
| 7 | * https://www.openssl.org/source/license.html | |
| 8 | */ | |
| 9 | ||
| 10 | /* Dispatch functions for AES GCM mode */ | |
| 11 | ||
| 706457b7 | 12 | #include "cipher_local.h" |
| 4a42e264 SL |
13 | #include "internal/ciphers/cipher_gcm.h" |
| 14 | ||
| 15 | static int generic_aes_gcm_initkey(PROV_GCM_CTX *ctx, const unsigned char *key, | |
| 16 | size_t keylen) | |
| 17 | { | |
| 18 | PROV_AES_GCM_CTX *actx = (PROV_AES_GCM_CTX *)ctx; | |
| 19 | AES_KEY *ks = &actx->ks.ks; | |
| 20 | ||
| 21 | # ifdef HWAES_CAPABLE | |
| 22 | if (HWAES_CAPABLE) { | |
| 23 | # ifdef HWAES_ctr32_encrypt_blocks | |
| 24 | GCM_HW_SET_KEY_CTR_FN(ks, HWAES_set_encrypt_key, HWAES_encrypt, | |
| 25 | HWAES_ctr32_encrypt_blocks); | |
| 26 | # else | |
| 27 | GCM_HW_SET_KEY_CTR_FN(ks, HWAES_set_encrypt_key, HWAES_encrypt, NULL); | |
| 28 | # endif /* HWAES_ctr32_encrypt_blocks */ | |
| 29 | } else | |
| 30 | # endif /* HWAES_CAPABLE */ | |
| 31 | ||
| 32 | # ifdef BSAES_CAPABLE | |
| 33 | if (BSAES_CAPABLE) { | |
| 34 | GCM_HW_SET_KEY_CTR_FN(ks, AES_set_encrypt_key, AES_encrypt, | |
| 35 | bsaes_ctr32_encrypt_blocks); | |
| 36 | } else | |
| 37 | # endif /* BSAES_CAPABLE */ | |
| 38 | ||
| 39 | # ifdef VPAES_CAPABLE | |
| 40 | if (VPAES_CAPABLE) { | |
| 41 | GCM_HW_SET_KEY_CTR_FN(ks, vpaes_set_encrypt_key, vpaes_encrypt, NULL); | |
| 42 | } else | |
| 43 | # endif /* VPAES_CAPABLE */ | |
| 44 | ||
| 45 | { | |
| 46 | # ifdef AES_CTR_ASM | |
| 47 | GCM_HW_SET_KEY_CTR_FN(ks, AES_set_encrypt_key, AES_encrypt, | |
| 48 | AES_ctr32_encrypt); | |
| 49 | # else | |
| 50 | GCM_HW_SET_KEY_CTR_FN(ks, AES_set_encrypt_key, AES_encrypt, NULL); | |
| 51 | # endif /* AES_CTR_ASM */ | |
| 52 | } | |
| 53 | ctx->key_set = 1; | |
| 54 | return 1; | |
| 55 | } | |
| 56 | ||
| 57 | static const PROV_GCM_HW aes_gcm = { | |
| 58 | generic_aes_gcm_initkey, | |
| 59 | gcm_setiv, | |
| 60 | gcm_aad_update, | |
| 61 | gcm_cipher_update, | |
| 62 | gcm_cipher_final, | |
| 63 | gcm_one_shot | |
| 64 | }; | |
| 65 | ||
| 66 | #if defined(S390X_aes_128_CAPABLE) | |
| 67 | # include "cipher_aes_gcm_hw_s390x.inc" | |
| 68 | #elif defined(AESNI_CAPABLE) | |
| 69 | # include "cipher_aes_gcm_hw_aesni.inc" | |
| 70 | #elif defined(SPARC_AES_CAPABLE) | |
| 71 | # include "cipher_aes_gcm_hw_t4.inc" | |
| 72 | #else | |
| 73 | const PROV_GCM_HW *PROV_AES_HW_gcm(size_t keybits) | |
| 74 | { | |
| 75 | return &aes_gcm; | |
| 76 | } | |
| 77 | #endif | |
| 78 |