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Support RC4 in EVP

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This commit is contained in:
Love Hornquist Astrand
2009-08-10 11:48:12 +02:00
parent 8276a469ab
commit 21e8270aa2
5 changed files with 320 additions and 89 deletions
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90
lib/hcrypto/evp-cc.c
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@@ -183,8 +183,6 @@ EVP_cc_des_cbc(void)
return &des_ede3_cbc;
}
/*
*
*/
@@ -391,21 +389,6 @@ EVP_cc_rc2_64_cbc(void)
return &rc2_64_cbc;
}
/**
* The RC4 cipher type (Apple CommonCrypto provider)
*
* @return the RC4 EVP_CIPHER pointer.
*
* @ingroup hcrypto_evp
*/
const EVP_CIPHER *
EVP_cc_rc4(void)
{
abort();
}
/**
* The CommonCrypto md2 provider
*
@@ -553,5 +536,78 @@ EVP_cc_camellia_256_cbc(void)
return NULL;
}
/*
*
*/
static int
cc_rc4_init(EVP_CIPHER_CTX *ctx,
const unsigned char * key,
const unsigned char * iv,
int encp)
{
struct cc_key *cc = ctx->cipher_data;
return init_cc_key(encp, kCCAlgorithmRC4, key, ctx->key_len, iv, &cc->href);
}
/**
* The RC4 cipher type (Apple CommonCrypto provider)
*
* @return the RC4 EVP_CIPHER pointer.
*
* @ingroup hcrypto_evp
*/
const EVP_CIPHER *
EVP_cc_rc4(void)
{
static const EVP_CIPHER rc4 = {
0,
1,
16,
0,
EVP_CIPH_STREAM_CIPHER|EVP_CIPH_VARIABLE_LENGTH,
cc_rc4_init,
cc_do_cipher,
cc_cleanup,
sizeof(struct cc_key),
NULL,
NULL,
NULL,
NULL
};
return &rc4;
}
/**
* The RC4-40 cipher type (Apple CommonCrypto provider)
*
* @return the RC4 EVP_CIPHER pointer.
*
* @ingroup hcrypto_evp
*/
const EVP_CIPHER *
EVP_cc_rc4_40(void)
{
static const EVP_CIPHER rc4_40 = {
0,
1,
5,
0,
EVP_CIPH_STREAM_CIPHER|EVP_CIPH_VARIABLE_LENGTH,
cc_rc4_init,
cc_do_cipher,
cc_cleanup,
sizeof(struct cc_key),
NULL,
NULL,
NULL,
NULL
};
return &rc4_40;
}
#endif /* __APPLE__ */