diff options
Diffstat (limited to 'crypto/openssl/providers/implementations/include/prov/ciphercommon_ccm.h')
| -rw-r--r-- | crypto/openssl/providers/implementations/include/prov/ciphercommon_ccm.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/crypto/openssl/providers/implementations/include/prov/ciphercommon_ccm.h b/crypto/openssl/providers/implementations/include/prov/ciphercommon_ccm.h new file mode 100644 index 000000000000..4c184b395f44 --- /dev/null +++ b/crypto/openssl/providers/implementations/include/prov/ciphercommon_ccm.h @@ -0,0 +1,100 @@ +/* + * Copyright 2019-2021 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 + */ + +#include "ciphercommon_aead.h" + +typedef struct prov_ccm_hw_st PROV_CCM_HW; + +#if defined(OPENSSL_CPUID_OBJ) && defined(__s390__) +/*- + * KMAC-AES parameter block - begin + * (see z/Architecture Principles of Operation >= SA22-7832-08) + */ +typedef struct S390X_kmac_params_st { + union { + unsigned long long g[2]; + unsigned char b[16]; + } icv; + unsigned char k[32]; +} S390X_KMAC_PARAMS; +/* KMAC-AES parameter block - end */ +#endif + +/* Base structure that is shared by AES & ARIA for CCM MODE */ +typedef struct prov_ccm_st { + unsigned int enc : 1; + unsigned int key_set : 1; /* Set if key initialised */ + unsigned int iv_set : 1; /* Set if an iv is set */ + unsigned int tag_set : 1; /* Set if tag is valid */ + unsigned int len_set : 1; /* Set if message length set */ + size_t l, m; /* L and M parameters from RFC3610 */ + size_t keylen; + size_t tls_aad_len; /* TLS AAD length */ + size_t tls_aad_pad_sz; + unsigned char iv[GENERIC_BLOCK_SIZE]; + unsigned char buf[GENERIC_BLOCK_SIZE]; + CCM128_CONTEXT ccm_ctx; + ccm128_f str; + const PROV_CCM_HW *hw; /* hardware specific methods */ +} PROV_CCM_CTX; + +PROV_CIPHER_FUNC(int, CCM_cipher, (PROV_CCM_CTX *ctx, unsigned char *out, \ + size_t *padlen, const unsigned char *in, \ + size_t len)); +PROV_CIPHER_FUNC(int, CCM_setkey, (PROV_CCM_CTX *ctx, \ + const unsigned char *key, size_t keylen)); +PROV_CIPHER_FUNC(int, CCM_setiv, (PROV_CCM_CTX *dat, \ + const unsigned char *iv, size_t ivlen, \ + size_t mlen)); +PROV_CIPHER_FUNC(int, CCM_setaad, (PROV_CCM_CTX *ctx, \ + const unsigned char *aad, size_t aadlen)); +PROV_CIPHER_FUNC(int, CCM_auth_encrypt, (PROV_CCM_CTX *ctx, \ + const unsigned char *in, \ + unsigned char *out, size_t len, \ + unsigned char *tag, size_t taglen)); +PROV_CIPHER_FUNC(int, CCM_auth_decrypt, (PROV_CCM_CTX *ctx, \ + const unsigned char *in, \ + unsigned char *out, size_t len, \ + unsigned char *tag, size_t taglen)); +PROV_CIPHER_FUNC(int, CCM_gettag, (PROV_CCM_CTX *ctx, \ + unsigned char *tag, size_t taglen)); + +/* + * CCM Mode internal method table used to handle hardware specific differences, + * (and different algorithms). + */ +struct prov_ccm_hw_st { + OSSL_CCM_setkey_fn setkey; + OSSL_CCM_setiv_fn setiv; + OSSL_CCM_setaad_fn setaad; + OSSL_CCM_auth_encrypt_fn auth_encrypt; + OSSL_CCM_auth_decrypt_fn auth_decrypt; + OSSL_CCM_gettag_fn gettag; +}; + +OSSL_FUNC_cipher_encrypt_init_fn ossl_ccm_einit; +OSSL_FUNC_cipher_decrypt_init_fn ossl_ccm_dinit; +OSSL_FUNC_cipher_get_ctx_params_fn ossl_ccm_get_ctx_params; +OSSL_FUNC_cipher_set_ctx_params_fn ossl_ccm_set_ctx_params; +OSSL_FUNC_cipher_update_fn ossl_ccm_stream_update; +OSSL_FUNC_cipher_final_fn ossl_ccm_stream_final; +OSSL_FUNC_cipher_cipher_fn ossl_ccm_cipher; +void ossl_ccm_initctx(PROV_CCM_CTX *ctx, size_t keybits, const PROV_CCM_HW *hw); + +int ossl_ccm_generic_setiv(PROV_CCM_CTX *ctx, const unsigned char *nonce, + size_t nlen, size_t mlen); +int ossl_ccm_generic_setaad(PROV_CCM_CTX *ctx, const unsigned char *aad, + size_t alen); +int ossl_ccm_generic_gettag(PROV_CCM_CTX *ctx, unsigned char *tag, size_t tlen); +int ossl_ccm_generic_auth_encrypt(PROV_CCM_CTX *ctx, const unsigned char *in, + unsigned char *out, size_t len, + unsigned char *tag, size_t taglen); +int ossl_ccm_generic_auth_decrypt(PROV_CCM_CTX *ctx, const unsigned char *in, + unsigned char *out, size_t len, + unsigned char *expected_tag, size_t taglen); |