diff options
author | marha <marha@users.sourceforge.net> | 2015-02-22 21:39:56 +0100 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2015-02-22 21:39:56 +0100 |
commit | 462f18c7b25fe3e467f837647d07ab0a78aa8d2b (patch) | |
tree | fc8013c0a1bac05a1945846c1697e973f4c35013 /openssl/crypto/evp/evp_key.c | |
parent | 36f711ee12b6dd5184198abed3aa551efb585587 (diff) | |
download | vcxsrv-462f18c7b25fe3e467f837647d07ab0a78aa8d2b.tar.gz vcxsrv-462f18c7b25fe3e467f837647d07ab0a78aa8d2b.tar.bz2 vcxsrv-462f18c7b25fe3e467f837647d07ab0a78aa8d2b.zip |
Merged origin/release (checked in because wanted to merge new stuff)
Diffstat (limited to 'openssl/crypto/evp/evp_key.c')
-rw-r--r-- | openssl/crypto/evp/evp_key.c | 236 |
1 files changed, 120 insertions, 116 deletions
diff --git a/openssl/crypto/evp/evp_key.c b/openssl/crypto/evp/evp_key.c index 7961fbebf..71fa627b2 100644 --- a/openssl/crypto/evp/evp_key.c +++ b/openssl/crypto/evp/evp_key.c @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,7 +49,7 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence @@ -67,123 +67,127 @@ static char prompt_string[80]; void EVP_set_pw_prompt(const char *prompt) - { - if (prompt == NULL) - prompt_string[0]='\0'; - else - { - strncpy(prompt_string,prompt,79); - prompt_string[79]='\0'; - } - } +{ + if (prompt == NULL) + prompt_string[0] = '\0'; + else { + strncpy(prompt_string, prompt, 79); + prompt_string[79] = '\0'; + } +} char *EVP_get_pw_prompt(void) - { - if (prompt_string[0] == '\0') - return(NULL); - else - return(prompt_string); - } +{ + if (prompt_string[0] == '\0') + return (NULL); + else + return (prompt_string); +} -/* For historical reasons, the standard function for reading passwords is - * in the DES library -- if someone ever wants to disable DES, - * this function will fail */ +/* + * For historical reasons, the standard function for reading passwords is in + * the DES library -- if someone ever wants to disable DES, this function + * will fail + */ int EVP_read_pw_string(char *buf, int len, const char *prompt, int verify) - { - return EVP_read_pw_string_min(buf, 0, len, prompt, verify); - } - -int EVP_read_pw_string_min(char *buf, int min, int len, const char *prompt, int verify) - { - int ret; - char buff[BUFSIZ]; - UI *ui; +{ + return EVP_read_pw_string_min(buf, 0, len, prompt, verify); +} - if ((prompt == NULL) && (prompt_string[0] != '\0')) - prompt=prompt_string; - ui = UI_new(); - UI_add_input_string(ui,prompt,0,buf,min,(len>=BUFSIZ)?BUFSIZ-1:len); - if (verify) - UI_add_verify_string(ui,prompt,0, - buff,min,(len>=BUFSIZ)?BUFSIZ-1:len,buf); - ret = UI_process(ui); - UI_free(ui); - OPENSSL_cleanse(buff,BUFSIZ); - return ret; - } +int EVP_read_pw_string_min(char *buf, int min, int len, const char *prompt, + int verify) +{ + int ret; + char buff[BUFSIZ]; + UI *ui; -int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md, - const unsigned char *salt, const unsigned char *data, int datal, - int count, unsigned char *key, unsigned char *iv) - { - EVP_MD_CTX c; - unsigned char md_buf[EVP_MAX_MD_SIZE]; - int niv,nkey,addmd=0; - unsigned int mds=0,i; - int rv = 0; - nkey=type->key_len; - niv=type->iv_len; - OPENSSL_assert(nkey <= EVP_MAX_KEY_LENGTH); - OPENSSL_assert(niv <= EVP_MAX_IV_LENGTH); + if ((prompt == NULL) && (prompt_string[0] != '\0')) + prompt = prompt_string; + ui = UI_new(); + UI_add_input_string(ui, prompt, 0, buf, min, + (len >= BUFSIZ) ? BUFSIZ - 1 : len); + if (verify) + UI_add_verify_string(ui, prompt, 0, + buff, min, (len >= BUFSIZ) ? BUFSIZ - 1 : len, + buf); + ret = UI_process(ui); + UI_free(ui); + OPENSSL_cleanse(buff, BUFSIZ); + return ret; +} - if (data == NULL) return(nkey); +int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md, + const unsigned char *salt, const unsigned char *data, + int datal, int count, unsigned char *key, + unsigned char *iv) +{ + EVP_MD_CTX c; + unsigned char md_buf[EVP_MAX_MD_SIZE]; + int niv, nkey, addmd = 0; + unsigned int mds = 0, i; + int rv = 0; + nkey = type->key_len; + niv = type->iv_len; + OPENSSL_assert(nkey <= EVP_MAX_KEY_LENGTH); + OPENSSL_assert(niv <= EVP_MAX_IV_LENGTH); - EVP_MD_CTX_init(&c); - for (;;) - { - if (!EVP_DigestInit_ex(&c,md, NULL)) - return 0; - if (addmd++) - if (!EVP_DigestUpdate(&c,&(md_buf[0]),mds)) - goto err; - if (!EVP_DigestUpdate(&c,data,datal)) - goto err; - if (salt != NULL) - if (!EVP_DigestUpdate(&c,salt,PKCS5_SALT_LEN)) - goto err; - if (!EVP_DigestFinal_ex(&c,&(md_buf[0]),&mds)) - goto err; + if (data == NULL) + return (nkey); - for (i=1; i<(unsigned int)count; i++) - { - if (!EVP_DigestInit_ex(&c,md, NULL)) - goto err; - if (!EVP_DigestUpdate(&c,&(md_buf[0]),mds)) - goto err; - if (!EVP_DigestFinal_ex(&c,&(md_buf[0]),&mds)) - goto err; - } - i=0; - if (nkey) - { - for (;;) - { - if (nkey == 0) break; - if (i == mds) break; - if (key != NULL) - *(key++)=md_buf[i]; - nkey--; - i++; - } - } - if (niv && (i != mds)) - { - for (;;) - { - if (niv == 0) break; - if (i == mds) break; - if (iv != NULL) - *(iv++)=md_buf[i]; - niv--; - i++; - } - } - if ((nkey == 0) && (niv == 0)) break; - } - rv = type->key_len; - err: - EVP_MD_CTX_cleanup(&c); - OPENSSL_cleanse(&(md_buf[0]),EVP_MAX_MD_SIZE); - return rv; - } + EVP_MD_CTX_init(&c); + for (;;) { + if (!EVP_DigestInit_ex(&c, md, NULL)) + return 0; + if (addmd++) + if (!EVP_DigestUpdate(&c, &(md_buf[0]), mds)) + goto err; + if (!EVP_DigestUpdate(&c, data, datal)) + goto err; + if (salt != NULL) + if (!EVP_DigestUpdate(&c, salt, PKCS5_SALT_LEN)) + goto err; + if (!EVP_DigestFinal_ex(&c, &(md_buf[0]), &mds)) + goto err; + for (i = 1; i < (unsigned int)count; i++) { + if (!EVP_DigestInit_ex(&c, md, NULL)) + goto err; + if (!EVP_DigestUpdate(&c, &(md_buf[0]), mds)) + goto err; + if (!EVP_DigestFinal_ex(&c, &(md_buf[0]), &mds)) + goto err; + } + i = 0; + if (nkey) { + for (;;) { + if (nkey == 0) + break; + if (i == mds) + break; + if (key != NULL) + *(key++) = md_buf[i]; + nkey--; + i++; + } + } + if (niv && (i != mds)) { + for (;;) { + if (niv == 0) + break; + if (i == mds) + break; + if (iv != NULL) + *(iv++) = md_buf[i]; + niv--; + i++; + } + } + if ((nkey == 0) && (niv == 0)) + break; + } + rv = type->key_len; + err: + EVP_MD_CTX_cleanup(&c); + OPENSSL_cleanse(&(md_buf[0]), EVP_MAX_MD_SIZE); + return rv; +} |