add EVP_des_cbc
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@23591 ec53bebd-3082-4978-b11e-865c3cabbd6b
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@@ -1026,6 +1026,71 @@ EVP_rc4_40(void)
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return NULL;
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}
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/*
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*
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*/
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static int
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des_cbc_init(EVP_CIPHER_CTX *ctx,
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const unsigned char * key,
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const unsigned char * iv,
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int encp)
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{
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DES_key_schedule *k = ctx->cipher_data;
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DES_cblock deskey;
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memcpy(&deskey, key, sizeof(deskey));
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DES_set_key_unchecked(&deskey, k);
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return 1;
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}
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static int
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des_cbc_do_cipher(EVP_CIPHER_CTX *ctx,
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unsigned char *out,
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const unsigned char *in,
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unsigned int size)
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{
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DES_key_schedule *k = ctx->cipher_data;
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DES_ede3_cbc_encrypt(in, out, size,
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k, (DES_cblock *)ctx->iv, ctx->encrypt);
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return 1;
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}
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static int
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des_cbc_cleanup(EVP_CIPHER_CTX *ctx)
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{
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memset(ctx->cipher_data, 0, sizeof(struct des_ede3_cbc));
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return 1;
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}
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/**
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* The DES cipher type
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*
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* @return the DES-CBC EVP_CIPHER pointer.
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*
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* @ingroup hcrypto_evp
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*/
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const EVP_CIPHER *
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EVP_des_cbc(void)
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{
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static const EVP_CIPHER des_ede3_cbc = {
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0,
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8,
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8,
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8,
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EVP_CIPH_CBC_MODE,
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des_cbc_init,
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des_cbc_do_cipher,
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des_cbc_cleanup,
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sizeof(DES_key_schedule),
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NULL,
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NULL,
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NULL,
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NULL
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};
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return &des_ede3_cbc;
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}
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/*
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*
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*/
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