diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/lib/libcrypto/evp/cipher_method_lib.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/src/lib/libcrypto/evp/cipher_method_lib.c b/src/lib/libcrypto/evp/cipher_method_lib.c new file mode 100644 index 0000000000..272e48249e --- /dev/null +++ b/src/lib/libcrypto/evp/cipher_method_lib.c | |||
| @@ -0,0 +1,151 @@ | |||
| 1 | /* | ||
| 2 | * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved. | ||
| 3 | * | ||
| 4 | * Licensed under the OpenSSL license (the "License"). You may not use | ||
| 5 | * this file except in compliance with the License. You can obtain a copy | ||
| 6 | * in the file LICENSE in the source distribution or at | ||
| 7 | * https://www.openssl.org/source/license.html | ||
| 8 | */ | ||
| 9 | |||
| 10 | #include <string.h> | ||
| 11 | |||
| 12 | #include <openssl/evp.h> | ||
| 13 | #include "crypto/evp.h" | ||
| 14 | #include "evp_local.h" | ||
| 15 | |||
| 16 | EVP_CIPHER *EVP_CIPHER_meth_new(int cipher_type, int block_size, int key_len) | ||
| 17 | { | ||
| 18 | EVP_CIPHER *cipher = OPENSSL_zalloc(sizeof(EVP_CIPHER)); | ||
| 19 | |||
| 20 | if (cipher != NULL) { | ||
| 21 | cipher->nid = cipher_type; | ||
| 22 | cipher->block_size = block_size; | ||
| 23 | cipher->key_len = key_len; | ||
| 24 | } | ||
| 25 | return cipher; | ||
| 26 | } | ||
| 27 | |||
| 28 | EVP_CIPHER *EVP_CIPHER_meth_dup(const EVP_CIPHER *cipher) | ||
| 29 | { | ||
| 30 | EVP_CIPHER *to = EVP_CIPHER_meth_new(cipher->nid, cipher->block_size, | ||
| 31 | cipher->key_len); | ||
| 32 | |||
| 33 | if (to != NULL) | ||
| 34 | memcpy(to, cipher, sizeof(*to)); | ||
| 35 | return to; | ||
| 36 | } | ||
| 37 | |||
| 38 | void EVP_CIPHER_meth_free(EVP_CIPHER *cipher) | ||
| 39 | { | ||
| 40 | OPENSSL_free(cipher); | ||
| 41 | } | ||
| 42 | |||
| 43 | int EVP_CIPHER_meth_set_iv_length(EVP_CIPHER *cipher, int iv_len) | ||
| 44 | { | ||
| 45 | cipher->iv_len = iv_len; | ||
| 46 | return 1; | ||
| 47 | } | ||
| 48 | |||
| 49 | int EVP_CIPHER_meth_set_flags(EVP_CIPHER *cipher, unsigned long flags) | ||
| 50 | { | ||
| 51 | cipher->flags = flags; | ||
| 52 | return 1; | ||
| 53 | } | ||
| 54 | |||
| 55 | int EVP_CIPHER_meth_set_impl_ctx_size(EVP_CIPHER *cipher, int ctx_size) | ||
| 56 | { | ||
| 57 | cipher->ctx_size = ctx_size; | ||
| 58 | return 1; | ||
| 59 | } | ||
| 60 | |||
| 61 | int EVP_CIPHER_meth_set_init(EVP_CIPHER *cipher, | ||
| 62 | int (*init) (EVP_CIPHER_CTX *ctx, | ||
| 63 | const unsigned char *key, | ||
| 64 | const unsigned char *iv, | ||
| 65 | int enc)) | ||
| 66 | { | ||
| 67 | cipher->init = init; | ||
| 68 | return 1; | ||
| 69 | } | ||
| 70 | |||
| 71 | int EVP_CIPHER_meth_set_do_cipher(EVP_CIPHER *cipher, | ||
| 72 | int (*do_cipher) (EVP_CIPHER_CTX *ctx, | ||
| 73 | unsigned char *out, | ||
| 74 | const unsigned char *in, | ||
| 75 | size_t inl)) | ||
| 76 | { | ||
| 77 | cipher->do_cipher = do_cipher; | ||
| 78 | return 1; | ||
| 79 | } | ||
| 80 | |||
| 81 | int EVP_CIPHER_meth_set_cleanup(EVP_CIPHER *cipher, | ||
| 82 | int (*cleanup) (EVP_CIPHER_CTX *)) | ||
| 83 | { | ||
| 84 | cipher->cleanup = cleanup; | ||
| 85 | return 1; | ||
| 86 | } | ||
| 87 | |||
| 88 | int EVP_CIPHER_meth_set_set_asn1_params(EVP_CIPHER *cipher, | ||
| 89 | int (*set_asn1_parameters) (EVP_CIPHER_CTX *, | ||
| 90 | ASN1_TYPE *)) | ||
| 91 | { | ||
| 92 | cipher->set_asn1_parameters = set_asn1_parameters; | ||
| 93 | return 1; | ||
| 94 | } | ||
| 95 | |||
| 96 | int EVP_CIPHER_meth_set_get_asn1_params(EVP_CIPHER *cipher, | ||
| 97 | int (*get_asn1_parameters) (EVP_CIPHER_CTX *, | ||
| 98 | ASN1_TYPE *)) | ||
| 99 | { | ||
| 100 | cipher->get_asn1_parameters = get_asn1_parameters; | ||
| 101 | return 1; | ||
| 102 | } | ||
| 103 | |||
| 104 | int EVP_CIPHER_meth_set_ctrl(EVP_CIPHER *cipher, | ||
| 105 | int (*ctrl) (EVP_CIPHER_CTX *, int type, | ||
| 106 | int arg, void *ptr)) | ||
| 107 | { | ||
| 108 | cipher->ctrl = ctrl; | ||
| 109 | return 1; | ||
| 110 | } | ||
| 111 | |||
| 112 | |||
| 113 | int (*EVP_CIPHER_meth_get_init(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx, | ||
| 114 | const unsigned char *key, | ||
| 115 | const unsigned char *iv, | ||
| 116 | int enc) | ||
| 117 | { | ||
| 118 | return cipher->init; | ||
| 119 | } | ||
| 120 | int (*EVP_CIPHER_meth_get_do_cipher(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx, | ||
| 121 | unsigned char *out, | ||
| 122 | const unsigned char *in, | ||
| 123 | size_t inl) | ||
| 124 | { | ||
| 125 | return cipher->do_cipher; | ||
| 126 | } | ||
| 127 | |||
| 128 | int (*EVP_CIPHER_meth_get_cleanup(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *) | ||
| 129 | { | ||
| 130 | return cipher->cleanup; | ||
| 131 | } | ||
| 132 | |||
| 133 | int (*EVP_CIPHER_meth_get_set_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *, | ||
| 134 | ASN1_TYPE *) | ||
| 135 | { | ||
| 136 | return cipher->set_asn1_parameters; | ||
| 137 | } | ||
| 138 | |||
| 139 | int (*EVP_CIPHER_meth_get_get_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *, | ||
| 140 | ASN1_TYPE *) | ||
| 141 | { | ||
| 142 | return cipher->get_asn1_parameters; | ||
| 143 | } | ||
| 144 | |||
| 145 | int (*EVP_CIPHER_meth_get_ctrl(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *, | ||
| 146 | int type, int arg, | ||
| 147 | void *ptr) | ||
| 148 | { | ||
| 149 | return cipher->ctrl; | ||
| 150 | } | ||
| 151 | |||
