diff options
Diffstat (limited to 'drivers/builtin_openssl2/crypto/cmac/cm_pmeth.c')
-rw-r--r-- | drivers/builtin_openssl2/crypto/cmac/cm_pmeth.c | 292 |
1 files changed, 142 insertions, 150 deletions
diff --git a/drivers/builtin_openssl2/crypto/cmac/cm_pmeth.c b/drivers/builtin_openssl2/crypto/cmac/cm_pmeth.c index 072228ec7f..a2300df187 100644 --- a/drivers/builtin_openssl2/crypto/cmac/cm_pmeth.c +++ b/drivers/builtin_openssl2/crypto/cmac/cm_pmeth.c @@ -1,5 +1,6 @@ -/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL - * project 2010. +/* + * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project + * 2010. */ /* ==================================================================== * Copyright (c) 2010 The OpenSSL Project. All rights reserved. @@ -9,7 +10,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in @@ -61,164 +62,155 @@ /* The context structure and "key" is simply a CMAC_CTX */ static int pkey_cmac_init(EVP_PKEY_CTX *ctx) - { - ctx->data = CMAC_CTX_new(); - if (!ctx->data) - return 0; - ctx->keygen_info_count = 0; - return 1; - } +{ + ctx->data = CMAC_CTX_new(); + if (!ctx->data) + return 0; + ctx->keygen_info_count = 0; + return 1; +} static int pkey_cmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src) - { - if (!pkey_cmac_init(dst)) - return 0; - if (!CMAC_CTX_copy(dst->data, src->data)) - return 0; - return 1; - } +{ + if (!pkey_cmac_init(dst)) + return 0; + if (!CMAC_CTX_copy(dst->data, src->data)) + return 0; + return 1; +} static void pkey_cmac_cleanup(EVP_PKEY_CTX *ctx) - { - CMAC_CTX_free(ctx->data); - } +{ + CMAC_CTX_free(ctx->data); +} static int pkey_cmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey) - { - CMAC_CTX *cmkey = CMAC_CTX_new(); - CMAC_CTX *cmctx = ctx->data; - if (!cmkey) - return 0; - if (!CMAC_CTX_copy(cmkey, cmctx)) - { - CMAC_CTX_free(cmkey); - return 0; - } - EVP_PKEY_assign(pkey, EVP_PKEY_CMAC, cmkey); - - return 1; - } - -static int int_update(EVP_MD_CTX *ctx,const void *data,size_t count) - { - if (!CMAC_Update(ctx->pctx->data, data, count)) - return 0; - return 1; - } +{ + CMAC_CTX *cmkey = CMAC_CTX_new(); + CMAC_CTX *cmctx = ctx->data; + if (!cmkey) + return 0; + if (!CMAC_CTX_copy(cmkey, cmctx)) { + CMAC_CTX_free(cmkey); + return 0; + } + EVP_PKEY_assign(pkey, EVP_PKEY_CMAC, cmkey); + + return 1; +} + +static int int_update(EVP_MD_CTX *ctx, const void *data, size_t count) +{ + if (!CMAC_Update(ctx->pctx->data, data, count)) + return 0; + return 1; +} static int cmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx) - { - EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT); - mctx->update = int_update; - return 1; - } +{ + EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT); + mctx->update = int_update; + return 1; +} static int cmac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, - EVP_MD_CTX *mctx) - { - return CMAC_Final(ctx->data, sig, siglen); - } + EVP_MD_CTX *mctx) +{ + return CMAC_Final(ctx->data, sig, siglen); +} static int pkey_cmac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2) - { - CMAC_CTX *cmctx = ctx->data; - switch (type) - { - - case EVP_PKEY_CTRL_SET_MAC_KEY: - if (!p2 || p1 < 0) - return 0; - if (!CMAC_Init(cmctx, p2, p1, NULL, NULL)) - return 0; - break; - - case EVP_PKEY_CTRL_CIPHER: - if (!CMAC_Init(cmctx, NULL, 0, p2, ctx->engine)) - return 0; - break; - - case EVP_PKEY_CTRL_MD: - if (ctx->pkey && !CMAC_CTX_copy(ctx->data, - (CMAC_CTX *)ctx->pkey->pkey.ptr)) - return 0; - if (!CMAC_Init(cmctx, NULL, 0, NULL, NULL)) - return 0; - break; - - default: - return -2; - - } - return 1; - } +{ + CMAC_CTX *cmctx = ctx->data; + switch (type) { + + case EVP_PKEY_CTRL_SET_MAC_KEY: + if (!p2 || p1 < 0) + return 0; + if (!CMAC_Init(cmctx, p2, p1, NULL, NULL)) + return 0; + break; + + case EVP_PKEY_CTRL_CIPHER: + if (!CMAC_Init(cmctx, NULL, 0, p2, ctx->engine)) + return 0; + break; + + case EVP_PKEY_CTRL_MD: + if (ctx->pkey && !CMAC_CTX_copy(ctx->data, + (CMAC_CTX *)ctx->pkey->pkey.ptr)) + return 0; + if (!CMAC_Init(cmctx, NULL, 0, NULL, NULL)) + return 0; + break; + + default: + return -2; + + } + return 1; +} static int pkey_cmac_ctrl_str(EVP_PKEY_CTX *ctx, - const char *type, const char *value) - { - if (!value) - { - return 0; - } - if (!strcmp(type, "key")) - { - void *p = (void *)value; - return pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, - strlen(p), p); - } - if (!strcmp(type, "cipher")) - { - const EVP_CIPHER *c; - c = EVP_get_cipherbyname(value); - if (!c) - return 0; - return pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_CIPHER, -1, (void *)c); - } - if (!strcmp(type, "hexkey")) - { - unsigned char *key; - int r; - long keylen; - key = string_to_hex(value, &keylen); - if (!key) - return 0; - r = pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key); - OPENSSL_free(key); - return r; - } - return -2; - } - -const EVP_PKEY_METHOD cmac_pkey_meth = - { - EVP_PKEY_CMAC, - EVP_PKEY_FLAG_SIGCTX_CUSTOM, - pkey_cmac_init, - pkey_cmac_copy, - pkey_cmac_cleanup, - - 0, 0, - - 0, - pkey_cmac_keygen, - - 0, 0, - - 0, 0, - - 0,0, - - cmac_signctx_init, - cmac_signctx, - - 0,0, - - 0,0, - - 0,0, - - 0,0, - - pkey_cmac_ctrl, - pkey_cmac_ctrl_str - - }; + const char *type, const char *value) +{ + if (!value) { + return 0; + } + if (!strcmp(type, "key")) { + void *p = (void *)value; + return pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, strlen(p), p); + } + if (!strcmp(type, "cipher")) { + const EVP_CIPHER *c; + c = EVP_get_cipherbyname(value); + if (!c) + return 0; + return pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_CIPHER, -1, (void *)c); + } + if (!strcmp(type, "hexkey")) { + unsigned char *key; + int r; + long keylen; + key = string_to_hex(value, &keylen); + if (!key) + return 0; + r = pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key); + OPENSSL_free(key); + return r; + } + return -2; +} + +const EVP_PKEY_METHOD cmac_pkey_meth = { + EVP_PKEY_CMAC, + EVP_PKEY_FLAG_SIGCTX_CUSTOM, + pkey_cmac_init, + pkey_cmac_copy, + pkey_cmac_cleanup, + + 0, 0, + + 0, + pkey_cmac_keygen, + + 0, 0, + + 0, 0, + + 0, 0, + + cmac_signctx_init, + cmac_signctx, + + 0, 0, + + 0, 0, + + 0, 0, + + 0, 0, + + pkey_cmac_ctrl, + pkey_cmac_ctrl_str +}; |