diff options
Diffstat (limited to 'providers/common/ciphers/cipher_aes_gcm_hw.c')
-rw-r--r-- | providers/common/ciphers/cipher_aes_gcm_hw.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/providers/common/ciphers/cipher_aes_gcm_hw.c b/providers/common/ciphers/cipher_aes_gcm_hw.c new file mode 100644 index 0000000000..3f56e6861d --- /dev/null +++ b/providers/common/ciphers/cipher_aes_gcm_hw.c @@ -0,0 +1,78 @@ +/* + * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the Apache License 2.0 (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +/* Dispatch functions for AES GCM mode */ + +#include "cipher_locl.h" +#include "internal/ciphers/cipher_gcm.h" + +static int generic_aes_gcm_initkey(PROV_GCM_CTX *ctx, const unsigned char *key, + size_t keylen) +{ + PROV_AES_GCM_CTX *actx = (PROV_AES_GCM_CTX *)ctx; + AES_KEY *ks = &actx->ks.ks; + +# ifdef HWAES_CAPABLE + if (HWAES_CAPABLE) { +# ifdef HWAES_ctr32_encrypt_blocks + GCM_HW_SET_KEY_CTR_FN(ks, HWAES_set_encrypt_key, HWAES_encrypt, + HWAES_ctr32_encrypt_blocks); +# else + GCM_HW_SET_KEY_CTR_FN(ks, HWAES_set_encrypt_key, HWAES_encrypt, NULL); +# endif /* HWAES_ctr32_encrypt_blocks */ + } else +# endif /* HWAES_CAPABLE */ + +# ifdef BSAES_CAPABLE + if (BSAES_CAPABLE) { + GCM_HW_SET_KEY_CTR_FN(ks, AES_set_encrypt_key, AES_encrypt, + bsaes_ctr32_encrypt_blocks); + } else +# endif /* BSAES_CAPABLE */ + +# ifdef VPAES_CAPABLE + if (VPAES_CAPABLE) { + GCM_HW_SET_KEY_CTR_FN(ks, vpaes_set_encrypt_key, vpaes_encrypt, NULL); + } else +# endif /* VPAES_CAPABLE */ + + { +# ifdef AES_CTR_ASM + GCM_HW_SET_KEY_CTR_FN(ks, AES_set_encrypt_key, AES_encrypt, + AES_ctr32_encrypt); +# else + GCM_HW_SET_KEY_CTR_FN(ks, AES_set_encrypt_key, AES_encrypt, NULL); +# endif /* AES_CTR_ASM */ + } + ctx->key_set = 1; + return 1; +} + +static const PROV_GCM_HW aes_gcm = { + generic_aes_gcm_initkey, + gcm_setiv, + gcm_aad_update, + gcm_cipher_update, + gcm_cipher_final, + gcm_one_shot +}; + +#if defined(S390X_aes_128_CAPABLE) +# include "cipher_aes_gcm_hw_s390x.inc" +#elif defined(AESNI_CAPABLE) +# include "cipher_aes_gcm_hw_aesni.inc" +#elif defined(SPARC_AES_CAPABLE) +# include "cipher_aes_gcm_hw_t4.inc" +#else +const PROV_GCM_HW *PROV_AES_HW_gcm(size_t keybits) +{ + return &aes_gcm; +} +#endif + |