Module: wine Branch: master Commit: 0ce784300eb5d7a9798f6a6ad5ed96be61b2cf9e URL: https://source.winehq.org/git/wine.git/?a=commit;h=0ce784300eb5d7a9798f6a6ad...
Author: Paul Gofman pgofman@codeweavers.com Date: Mon May 16 12:22:06 2022 -0500
rsaenh: Factor out alloc_key() function.
Signed-off-by: Paul Gofman pgofman@codeweavers.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/rsaenh/rsaenh.c | 166 +++++++++++++++++++++++++++------------------------ 1 file changed, 87 insertions(+), 79 deletions(-)
diff --git a/dlls/rsaenh/rsaenh.c b/dlls/rsaenh/rsaenh.c index fd39a5b125e..8a11da5f3f8 100644 --- a/dlls/rsaenh/rsaenh.c +++ b/dlls/rsaenh/rsaenh.c @@ -876,6 +876,92 @@ static inline void setup_key(CRYPTKEY *pCryptKey) { pCryptKey->abKeyValue); }
+/****************************************************************************** + * alloc_key [Internal] + * + */ +static HCRYPTKEY alloc_key(HCRYPTPROV hprov, ALG_ID alg_id, DWORD flags, DWORD key_len, CRYPTKEY **ret_key) +{ + KEYCONTAINER *key_container = get_key_container(hprov); + HCRYPTKEY hkey; + CRYPTKEY *key; + + hkey = new_object(&handle_table, sizeof(CRYPTKEY), RSAENH_MAGIC_KEY, + destroy_key, (OBJECTHDR**)&key); + if (hkey == (HCRYPTKEY)INVALID_HANDLE_VALUE) + return hkey; + + key->aiAlgid = alg_id; + key->hProv = hprov; + key->dwModeBits = 0; + key->dwPermissions = CRYPT_ENCRYPT | CRYPT_DECRYPT | CRYPT_READ | CRYPT_WRITE | CRYPT_MAC; + if (flags & CRYPT_EXPORTABLE) + key->dwPermissions |= CRYPT_EXPORT; + key->dwKeyLen = key_len >> 3; + key->dwEffectiveKeyLen = 0; + + /* + * For compatibility reasons a 40 bit key on the Enhanced + * provider will not have salt + */ + if (key_container->dwPersonality == RSAENH_PERSONALITY_ENHANCED + && (alg_id == CALG_RC2 || alg_id == CALG_RC4) + && (flags & CRYPT_CREATE_SALT) && key_len == 40) + key->dwSaltLen = 0; + else if ((flags & CRYPT_CREATE_SALT) || (key_len == 40 && !(flags & CRYPT_NO_SALT))) + key->dwSaltLen = 16 /*FIXME*/ - key->dwKeyLen; + else + key->dwSaltLen = 0; + memset(key->abKeyValue, 0, sizeof(key->abKeyValue)); + memset(key->abInitVector, 0, sizeof(key->abInitVector)); + memset(&key->siSChannelInfo.saEncAlg, 0, sizeof(key->siSChannelInfo.saEncAlg)); + memset(&key->siSChannelInfo.saMACAlg, 0, sizeof(key->siSChannelInfo.saMACAlg)); + init_data_blob(&key->siSChannelInfo.blobClientRandom); + init_data_blob(&key->siSChannelInfo.blobServerRandom); + init_data_blob(&key->blobHmacKey); + + switch(alg_id) + { + case CALG_PCT1_MASTER: + case CALG_SSL2_MASTER: + case CALG_SSL3_MASTER: + case CALG_TLS1_MASTER: + case CALG_RC4: + key->dwBlockLen = 0; + key->dwMode = 0; + break; + + case CALG_RC2: + case CALG_DES: + case CALG_3DES_112: + case CALG_3DES: + key->dwBlockLen = 8; + key->dwMode = CRYPT_MODE_CBC; + break; + + case CALG_AES_128: + case CALG_AES_192: + case CALG_AES_256: + key->dwBlockLen = 16; + key->dwMode = CRYPT_MODE_CBC; + break; + + case CALG_RSA_KEYX: + case CALG_RSA_SIGN: + key->dwBlockLen = key_len >> 3; + key->dwMode = 0; + break; + + case CALG_HMAC: + key->dwBlockLen = 0; + key->dwMode = 0; + break; + } + + *ret_key = key; + return hkey; +} + /****************************************************************************** * new_key [Internal] * @@ -896,8 +982,6 @@ static inline void setup_key(CRYPTKEY *pCryptKey) { */ static HCRYPTKEY new_key(HCRYPTPROV hProv, ALG_ID aiAlgid, DWORD dwFlags, CRYPTKEY **ppCryptKey) { - HCRYPTKEY hCryptKey; - CRYPTKEY *pCryptKey; DWORD dwKeyLen = HIWORD(dwFlags); const PROV_ENUMALGS_EX *peaAlgidInfo;
@@ -969,83 +1053,7 @@ static HCRYPTKEY new_key(HCRYPTPROV hProv, ALG_ID aiAlgid, DWORD dwFlags, CRYPTK } }
- hCryptKey = new_object(&handle_table, sizeof(CRYPTKEY), RSAENH_MAGIC_KEY, - destroy_key, (OBJECTHDR**)&pCryptKey); - if (hCryptKey != (HCRYPTKEY)INVALID_HANDLE_VALUE) - { - KEYCONTAINER *pKeyContainer = get_key_container(hProv); - pCryptKey->aiAlgid = aiAlgid; - pCryptKey->hProv = hProv; - pCryptKey->dwModeBits = 0; - pCryptKey->dwPermissions = CRYPT_ENCRYPT | CRYPT_DECRYPT | CRYPT_READ | CRYPT_WRITE | - CRYPT_MAC; - if (dwFlags & CRYPT_EXPORTABLE) - pCryptKey->dwPermissions |= CRYPT_EXPORT; - pCryptKey->dwKeyLen = dwKeyLen >> 3; - pCryptKey->dwEffectiveKeyLen = 0; - - /* - * For compatibility reasons a 40 bit key on the Enhanced - * provider will not have salt - */ - if (pKeyContainer->dwPersonality == RSAENH_PERSONALITY_ENHANCED - && (aiAlgid == CALG_RC2 || aiAlgid == CALG_RC4) - && (dwFlags & CRYPT_CREATE_SALT) && dwKeyLen == 40) - pCryptKey->dwSaltLen = 0; - else if ((dwFlags & CRYPT_CREATE_SALT) || (dwKeyLen == 40 && !(dwFlags & CRYPT_NO_SALT))) - pCryptKey->dwSaltLen = 16 /*FIXME*/ - pCryptKey->dwKeyLen; - else - pCryptKey->dwSaltLen = 0; - memset(pCryptKey->abKeyValue, 0, sizeof(pCryptKey->abKeyValue)); - memset(pCryptKey->abInitVector, 0, sizeof(pCryptKey->abInitVector)); - memset(&pCryptKey->siSChannelInfo.saEncAlg, 0, sizeof(pCryptKey->siSChannelInfo.saEncAlg)); - memset(&pCryptKey->siSChannelInfo.saMACAlg, 0, sizeof(pCryptKey->siSChannelInfo.saMACAlg)); - init_data_blob(&pCryptKey->siSChannelInfo.blobClientRandom); - init_data_blob(&pCryptKey->siSChannelInfo.blobServerRandom); - init_data_blob(&pCryptKey->blobHmacKey); - - switch(aiAlgid) - { - case CALG_PCT1_MASTER: - case CALG_SSL2_MASTER: - case CALG_SSL3_MASTER: - case CALG_TLS1_MASTER: - case CALG_RC4: - pCryptKey->dwBlockLen = 0; - pCryptKey->dwMode = 0; - break; - - case CALG_RC2: - case CALG_DES: - case CALG_3DES_112: - case CALG_3DES: - pCryptKey->dwBlockLen = 8; - pCryptKey->dwMode = CRYPT_MODE_CBC; - break; - - case CALG_AES_128: - case CALG_AES_192: - case CALG_AES_256: - pCryptKey->dwBlockLen = 16; - pCryptKey->dwMode = CRYPT_MODE_CBC; - break; - - case CALG_RSA_KEYX: - case CALG_RSA_SIGN: - pCryptKey->dwBlockLen = dwKeyLen >> 3; - pCryptKey->dwMode = 0; - break; - - case CALG_HMAC: - pCryptKey->dwBlockLen = 0; - pCryptKey->dwMode = 0; - break; - } - - *ppCryptKey = pCryptKey; - } - - return hCryptKey; + return alloc_key(hProv, aiAlgid, dwFlags, dwKeyLen, ppCryptKey); }
/******************************************************************************