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openssl: move shared AES-CTR code into misc

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Thomas
2017-02-10 20:39:01 +01:00
committed by Marc Hoersken
parent b3f9557f52
commit e378d2e30a
3 changed files with 38 additions and 9 deletions
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12
src/openssl.c
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@@ -43,6 +43,7 @@
#ifdef LIBSSH2_OPENSSL /* compile only if we build with openssl */
#include <string.h>
#include "misc.h"
#ifndef EVP_MAX_BLOCK_LENGTH
#define EVP_MAX_BLOCK_LENGTH 32
@@ -364,15 +365,8 @@ aes_ctr_do_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
return 0;
}
for (i = 0; i < 16; i++)
*out++ = *in++ ^ b1[i];
i = 15;
while (c->ctr[i]++ == 0xFF) {
if (i == 0)
break;
i--;
}
_libssh2_xor_data(out, in, b1, AES_BLOCK_SIZE);
_libssh2_aes_ctr_increment(c->ctr, AES_BLOCK_SIZE);
return 1;
}