diff options
Diffstat (limited to 'crypto/openssl/providers/implementations/ciphers/cipher_rc4_hmac_md5.c')
| -rw-r--r-- | crypto/openssl/providers/implementations/ciphers/cipher_rc4_hmac_md5.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/crypto/openssl/providers/implementations/ciphers/cipher_rc4_hmac_md5.c b/crypto/openssl/providers/implementations/ciphers/cipher_rc4_hmac_md5.c new file mode 100644 index 000000000000..ec18777143bb --- /dev/null +++ b/crypto/openssl/providers/implementations/ciphers/cipher_rc4_hmac_md5.c @@ -0,0 +1,245 @@ +/* + * Copyright 2019-2023 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 RC4_HMAC_MD5 cipher */ + +/* + * MD5 and RC4 low level APIs are deprecated for public use, but still ok for + * internal use. + */ +#include "internal/deprecated.h" + +#include <openssl/proverr.h> +#include "cipher_rc4_hmac_md5.h" +#include "prov/implementations.h" +#include "prov/providercommon.h" + +#define RC4_HMAC_MD5_FLAGS (PROV_CIPHER_FLAG_VARIABLE_LENGTH \ + | PROV_CIPHER_FLAG_AEAD) + +#define RC4_HMAC_MD5_KEY_BITS (16 * 8) +#define RC4_HMAC_MD5_BLOCK_BITS (1 * 8) +#define RC4_HMAC_MD5_IV_BITS 0 +#define RC4_HMAC_MD5_MODE 0 + +#define GET_HW(ctx) ((PROV_CIPHER_HW_RC4_HMAC_MD5 *)ctx->base.hw) + +static OSSL_FUNC_cipher_encrypt_init_fn rc4_hmac_md5_einit; +static OSSL_FUNC_cipher_decrypt_init_fn rc4_hmac_md5_dinit; +static OSSL_FUNC_cipher_newctx_fn rc4_hmac_md5_newctx; +static OSSL_FUNC_cipher_freectx_fn rc4_hmac_md5_freectx; +static OSSL_FUNC_cipher_dupctx_fn rc4_hmac_md5_dupctx; +static OSSL_FUNC_cipher_get_ctx_params_fn rc4_hmac_md5_get_ctx_params; +static OSSL_FUNC_cipher_gettable_ctx_params_fn rc4_hmac_md5_gettable_ctx_params; +static OSSL_FUNC_cipher_set_ctx_params_fn rc4_hmac_md5_set_ctx_params; +static OSSL_FUNC_cipher_settable_ctx_params_fn rc4_hmac_md5_settable_ctx_params; +static OSSL_FUNC_cipher_get_params_fn rc4_hmac_md5_get_params; +#define rc4_hmac_md5_gettable_params ossl_cipher_generic_gettable_params +#define rc4_hmac_md5_update ossl_cipher_generic_stream_update +#define rc4_hmac_md5_final ossl_cipher_generic_stream_final +#define rc4_hmac_md5_cipher ossl_cipher_generic_cipher + +static void *rc4_hmac_md5_newctx(void *provctx) +{ + PROV_RC4_HMAC_MD5_CTX *ctx; + + if (!ossl_prov_is_running()) + return NULL; + + ctx = OPENSSL_zalloc(sizeof(*ctx)); + if (ctx != NULL) + ossl_cipher_generic_initkey(ctx, RC4_HMAC_MD5_KEY_BITS, + RC4_HMAC_MD5_BLOCK_BITS, + RC4_HMAC_MD5_IV_BITS, + RC4_HMAC_MD5_MODE, RC4_HMAC_MD5_FLAGS, + ossl_prov_cipher_hw_rc4_hmac_md5( + RC4_HMAC_MD5_KEY_BITS + ), NULL); + return ctx; +} + +static void rc4_hmac_md5_freectx(void *vctx) +{ + PROV_RC4_HMAC_MD5_CTX *ctx = (PROV_RC4_HMAC_MD5_CTX *)vctx; + + ossl_cipher_generic_reset_ctx((PROV_CIPHER_CTX *)vctx); + OPENSSL_clear_free(ctx, sizeof(*ctx)); +} + +static void *rc4_hmac_md5_dupctx(void *vctx) +{ + PROV_RC4_HMAC_MD5_CTX *ctx = vctx; + + if (ctx == NULL) + return NULL; + return OPENSSL_memdup(ctx, sizeof(*ctx)); +} + +static int rc4_hmac_md5_einit(void *ctx, const unsigned char *key, + size_t keylen, const unsigned char *iv, + size_t ivlen, const OSSL_PARAM params[]) +{ + if (!ossl_cipher_generic_einit(ctx, key, keylen, iv, ivlen, NULL)) + return 0; + return rc4_hmac_md5_set_ctx_params(ctx, params); +} + +static int rc4_hmac_md5_dinit(void *ctx, const unsigned char *key, + size_t keylen, const unsigned char *iv, + size_t ivlen, const OSSL_PARAM params[]) +{ + if (!ossl_cipher_generic_dinit(ctx, key, keylen, iv, ivlen, NULL)) + return 0; + return rc4_hmac_md5_set_ctx_params(ctx, params); +} + +static const OSSL_PARAM rc4_hmac_md5_known_gettable_ctx_params[] = { + OSSL_PARAM_size_t(OSSL_CIPHER_PARAM_KEYLEN, NULL), + OSSL_PARAM_size_t(OSSL_CIPHER_PARAM_IVLEN, NULL), + OSSL_PARAM_size_t(OSSL_CIPHER_PARAM_AEAD_TLS1_AAD_PAD, NULL), + OSSL_PARAM_END +}; +const OSSL_PARAM *rc4_hmac_md5_gettable_ctx_params(ossl_unused void *cctx, + ossl_unused void *provctx) +{ + return rc4_hmac_md5_known_gettable_ctx_params; +} + +static int rc4_hmac_md5_get_ctx_params(void *vctx, OSSL_PARAM params[]) +{ + PROV_RC4_HMAC_MD5_CTX *ctx = (PROV_RC4_HMAC_MD5_CTX *)vctx; + OSSL_PARAM *p; + + p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_KEYLEN); + if (p != NULL && !OSSL_PARAM_set_size_t(p, ctx->base.keylen)) { + ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER); + return 0; + } + + p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_IVLEN); + if (p != NULL && !OSSL_PARAM_set_size_t(p, ctx->base.ivlen)) { + ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER); + return 0; + } + p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_AEAD_TLS1_AAD_PAD); + if (p != NULL && !OSSL_PARAM_set_size_t(p, ctx->tls_aad_pad_sz)) { + ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER); + return 0; + } + return 1; +} + +static const OSSL_PARAM rc4_hmac_md5_known_settable_ctx_params[] = { + OSSL_PARAM_size_t(OSSL_CIPHER_PARAM_KEYLEN, NULL), + OSSL_PARAM_size_t(OSSL_CIPHER_PARAM_IVLEN, NULL), + OSSL_PARAM_octet_string(OSSL_CIPHER_PARAM_AEAD_TLS1_AAD, NULL, 0), + OSSL_PARAM_END +}; +const OSSL_PARAM *rc4_hmac_md5_settable_ctx_params(ossl_unused void *cctx, + ossl_unused void *provctx) +{ + return rc4_hmac_md5_known_settable_ctx_params; +} + +static int rc4_hmac_md5_set_ctx_params(void *vctx, const OSSL_PARAM params[]) +{ + PROV_RC4_HMAC_MD5_CTX *ctx = (PROV_RC4_HMAC_MD5_CTX *)vctx; + const OSSL_PARAM *p; + size_t sz; + + if (ossl_param_is_empty(params)) + return 1; + + p = OSSL_PARAM_locate_const(params, OSSL_CIPHER_PARAM_KEYLEN); + if (p != NULL) { + if (!OSSL_PARAM_get_size_t(p, &sz)) { + ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER); + return 0; + } + if (ctx->base.keylen != sz) { + ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_KEY_LENGTH); + return 0; + } + } + + p = OSSL_PARAM_locate_const(params, OSSL_CIPHER_PARAM_IVLEN); + if (p != NULL) { + if (!OSSL_PARAM_get_size_t(p, &sz)) { + ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER); + return 0; + } + if (ctx->base.ivlen != sz) { + ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_IV_LENGTH); + return 0; + } + } + + p = OSSL_PARAM_locate_const(params, OSSL_CIPHER_PARAM_AEAD_TLS1_AAD); + if (p != NULL) { + if (p->data_type != OSSL_PARAM_OCTET_STRING) { + ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER); + return 0; + } + sz = GET_HW(ctx)->tls_init(&ctx->base, p->data, p->data_size); + if (sz == 0) { + ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_DATA); + return 0; + } + ctx->tls_aad_pad_sz = sz; + } + p = OSSL_PARAM_locate_const(params, OSSL_CIPHER_PARAM_AEAD_MAC_KEY); + if (p != NULL) { + if (p->data_type != OSSL_PARAM_OCTET_STRING) { + ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER); + return 0; + } + GET_HW(ctx)->init_mackey(&ctx->base, p->data, p->data_size); + } + p = OSSL_PARAM_locate_const(params, OSSL_CIPHER_PARAM_TLS_VERSION); + if (p != NULL) { + if (!OSSL_PARAM_get_uint(p, &ctx->base.tlsversion)) { + ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER); + return 0; + } + } + + return 1; +} + +static int rc4_hmac_md5_get_params(OSSL_PARAM params[]) +{ + return ossl_cipher_generic_get_params(params, RC4_HMAC_MD5_MODE, + RC4_HMAC_MD5_FLAGS, + RC4_HMAC_MD5_KEY_BITS, + RC4_HMAC_MD5_BLOCK_BITS, + RC4_HMAC_MD5_IV_BITS); +} + +const OSSL_DISPATCH ossl_rc4_hmac_ossl_md5_functions[] = { + { OSSL_FUNC_CIPHER_NEWCTX, (void (*)(void))rc4_hmac_md5_newctx }, + { OSSL_FUNC_CIPHER_FREECTX, (void (*)(void))rc4_hmac_md5_freectx }, + { OSSL_FUNC_CIPHER_DUPCTX, (void (*)(void))rc4_hmac_md5_dupctx }, + { OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void))rc4_hmac_md5_einit }, + { OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void))rc4_hmac_md5_dinit }, + { OSSL_FUNC_CIPHER_UPDATE, (void (*)(void))rc4_hmac_md5_update }, + { OSSL_FUNC_CIPHER_FINAL, (void (*)(void))rc4_hmac_md5_final }, + { OSSL_FUNC_CIPHER_CIPHER, (void (*)(void))rc4_hmac_md5_cipher }, + { OSSL_FUNC_CIPHER_GET_PARAMS, (void (*)(void))rc4_hmac_md5_get_params }, + { OSSL_FUNC_CIPHER_GETTABLE_PARAMS, + (void (*)(void))rc4_hmac_md5_gettable_params }, + { OSSL_FUNC_CIPHER_GET_CTX_PARAMS, + (void (*)(void))rc4_hmac_md5_get_ctx_params }, + { OSSL_FUNC_CIPHER_GETTABLE_CTX_PARAMS, + (void (*)(void))rc4_hmac_md5_gettable_ctx_params }, + { OSSL_FUNC_CIPHER_SET_CTX_PARAMS, + (void (*)(void))rc4_hmac_md5_set_ctx_params }, + { OSSL_FUNC_CIPHER_SETTABLE_CTX_PARAMS, + (void (*)(void))rc4_hmac_md5_settable_ctx_params }, + OSSL_DISPATCH_END +}; 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