diff options
Diffstat (limited to 'src/libstrongswan/plugins/openssl/openssl_util.c')
| -rw-r--r-- | src/libstrongswan/plugins/openssl/openssl_util.c | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/src/libstrongswan/plugins/openssl/openssl_util.c b/src/libstrongswan/plugins/openssl/openssl_util.c index c8c453f64..55b18a524 100644 --- a/src/libstrongswan/plugins/openssl/openssl_util.c +++ b/src/libstrongswan/plugins/openssl/openssl_util.c @@ -1,4 +1,5 @@ /* + * Copyright (C) 2009 Martin Willi * Copyright (C) 2008 Tobias Brunner * Hochschule fuer Technik Rapperswil * @@ -18,6 +19,7 @@ #include <debug.h> #include <openssl/evp.h> +#include <openssl/x509.h> /** * Described in header. @@ -31,30 +33,30 @@ bool openssl_hash_chunk(int hash_type, chunk_t data, chunk_t *hash) { return FALSE; } - - ctx = EVP_MD_CTX_create(); + + ctx = EVP_MD_CTX_create(); if (!ctx) { goto error; } - + if (!EVP_DigestInit_ex(ctx, hasher, NULL)) { goto error; } - + if (!EVP_DigestUpdate(ctx, data.ptr, data.len)) { goto error; } - + *hash = chunk_alloc(hasher->md_size); if (!EVP_DigestFinal_ex(ctx, hash->ptr, NULL)) { chunk_free(hash); goto error; } - + ret = TRUE; error: if (ctx) @@ -70,18 +72,18 @@ error: bool openssl_bn_cat(int len, BIGNUM *a, BIGNUM *b, chunk_t *chunk) { int offset; - + chunk->len = len + (b ? len : 0); chunk->ptr = malloc(chunk->len); memset(chunk->ptr, 0, chunk->len); - + /* convert a */ offset = len - BN_num_bytes(a); if (!BN_bn2bin(a, chunk->ptr + offset)) { goto error; } - + /* optionally convert and concatenate b */ if (b) { @@ -90,8 +92,8 @@ bool openssl_bn_cat(int len, BIGNUM *a, BIGNUM *b, chunk_t *chunk) { goto error; } - } - + } + return TRUE; error: chunk_free(chunk); @@ -105,19 +107,20 @@ error: bool openssl_bn_split(chunk_t chunk, BIGNUM *a, BIGNUM *b) { int len; - + if ((chunk.len % 2) != 0) { return FALSE; } - + len = chunk.len / 2; - + if (!BN_bin2bn(chunk.ptr, len, a) || !BN_bin2bn(chunk.ptr + len, len, b)) { return FALSE; } - + return TRUE; } + |