diff options
| -rw-r--r-- | crypto/Makefile.objs | 1 | ||||
| -rw-r--r-- | crypto/cipher-builtin.c | 398 | ||||
| -rw-r--r-- | crypto/cipher.c | 49 | ||||
| -rw-r--r-- | include/crypto/cipher.h | 210 | ||||
| -rw-r--r-- | tests/.gitignore | 1 | ||||
| -rw-r--r-- | tests/Makefile | 2 | ||||
| -rw-r--r-- | tests/test-crypto-cipher.c | 290 |
7 files changed, 951 insertions, 0 deletions
diff --git a/crypto/Makefile.objs b/crypto/Makefile.objs index 9f70294..b050138 100644 --- a/crypto/Makefile.objs +++ b/crypto/Makefile.objs @@ -2,3 +2,4 @@ util-obj-y += init.o util-obj-y += hash.o util-obj-y += aes.o util-obj-y += desrfb.o +util-obj-y += cipher.o diff --git a/crypto/cipher-builtin.c b/crypto/cipher-builtin.c new file mode 100644 index 0000000..c625cb4 --- /dev/null +++ b/crypto/cipher-builtin.c @@ -0,0 +1,398 @@ +/* + * QEMU Crypto cipher built-in algorithms + * + * Copyright (c) 2015 Red Hat, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + * + */ + +#include "crypto/aes.h" +#include "crypto/desrfb.h" + +typedef struct QCryptoCipherBuiltinAES QCryptoCipherBuiltinAES; +struct QCryptoCipherBuiltinAES { + AES_KEY encrypt_key; + AES_KEY decrypt_key; + uint8_t *iv; + size_t niv; +}; +typedef struct QCryptoCipherBuiltinDESRFB QCryptoCipherBuiltinDESRFB; +struct QCryptoCipherBuiltinDESRFB { + uint8_t *key; + size_t nkey; +}; + +typedef struct QCryptoCipherBuiltin QCryptoCipherBuiltin; +struct QCryptoCipherBuiltin { + union { + QCryptoCipherBuiltinAES aes; + QCryptoCipherBuiltinDESRFB desrfb; + } state; + void (*free)(QCryptoCipher *cipher); + int (*setiv)(QCryptoCipher *cipher, + const uint8_t *iv, size_t niv, + Error **errp); + int (*encrypt)(QCryptoCipher *cipher, + const void *in, + void *out, + size_t len, + Error **errp); + int (*decrypt)(QCryptoCipher *cipher, + const void *in, + void *out, + size_t len, + Error **errp); +}; + + +static void qcrypto_cipher_free_aes(QCryptoCipher *cipher) +{ + QCryptoCipherBuiltin *ctxt = cipher->opaque; + + g_free(ctxt->state.aes.iv); + g_free(ctxt); + cipher->opaque = NULL; +} + + +static int qcrypto_cipher_encrypt_aes(QCryptoCipher *cipher, + const void *in, + void *out, + size_t len, + Error **errp) +{ + QCryptoCipherBuiltin *ctxt = cipher->opaque; + + if (cipher->mode == QCRYPTO_CIPHER_MODE_ECB) { + const uint8_t *inptr = in; + uint8_t *outptr = out; + while (len) { + if (len > AES_BLOCK_SIZE) { + AES_encrypt(inptr, outptr, &ctxt->state.aes.encrypt_key); + inptr += AES_BLOCK_SIZE; + outptr += AES_BLOCK_SIZE; + len -= AES_BLOCK_SIZE; + } else { + uint8_t tmp1[AES_BLOCK_SIZE], tmp2[AES_BLOCK_SIZE]; + memcpy(tmp1, inptr, len); + /* Fill with 0 to avoid valgrind uninitialized reads */ + memset(tmp1 + len, 0, sizeof(tmp1) - len); + AES_encrypt(tmp1, tmp2, &ctxt->state.aes.encrypt_key); + memcpy(outptr, tmp2, len); + len = 0; + } + } + } else { + AES_cbc_encrypt(in, out, len, + &ctxt->state.aes.encrypt_key, + ctxt->state.aes.iv, 1); + } + + return 0; +} + + +static int qcrypto_cipher_decrypt_aes(QCryptoCipher *cipher, + const void *in, + void *out, + size_t len, + Error **errp) +{ + QCryptoCipherBuiltin *ctxt = cipher->opaque; + + if (cipher->mode == QCRYPTO_CIPHER_MODE_ECB) { + const uint8_t *inptr = in; + uint8_t *outptr = out; + while (len) { + if (len > AES_BLOCK_SIZE) { + AES_decrypt(inptr, outptr, &ctxt->state.aes.encrypt_key); + inptr += AES_BLOCK_SIZE; + outptr += AES_BLOCK_SIZE; + len -= AES_BLOCK_SIZE; + } else { + uint8_t tmp1[AES_BLOCK_SIZE], tmp2[AES_BLOCK_SIZE]; + memcpy(tmp1, inptr, len); + /* Fill with 0 to avoid valgrind uninitialized reads */ + memset(tmp1 + len, 0, sizeof(tmp1) - len); + AES_decrypt(tmp1, tmp2, &ctxt->state.aes.encrypt_key); + memcpy(outptr, tmp2, len); + len = 0; + } + } + } else { + AES_cbc_encrypt(in, out, len, + &ctxt->state.aes.encrypt_key, + ctxt->state.aes.iv, 1); + } + + return 0; +} + +static int qcrypto_cipher_setiv_aes(QCryptoCipher *cipher, + const uint8_t *iv, size_t niv, + Error **errp) +{ + QCryptoCipherBuiltin *ctxt = cipher->opaque; + if (niv != 16) { + error_setg(errp, "IV must be 16 bytes not %zu", niv); + return -1; + } + + g_free(ctxt->state.aes.iv); + ctxt->state.aes.iv = g_new0(uint8_t, niv); + memcpy(ctxt->state.aes.iv, iv, niv); + ctxt->state.aes.niv = niv; + + return 0; +} + + + + +static int qcrypto_cipher_init_aes(QCryptoCipher *cipher, + const uint8_t *key, size_t nkey, + Error **errp) +{ + QCryptoCipherBuiltin *ctxt; + + if (cipher->mode != QCRYPTO_CIPHER_MODE_CBC && + cipher->mode != QCRYPTO_CIPHER_MODE_ECB) { + error_setg(errp, "Unsupported cipher mode %d", cipher->mode); + return -1; + } + + ctxt = g_new0(QCryptoCipherBuiltin, 1); + + if (AES_set_encrypt_key(key, nkey * 8, &ctxt->state.aes.encrypt_key) != 0) { + error_setg(errp, "Failed to set encryption key"); + goto error; + } + + if (AES_set_decrypt_key(key, nkey * 8, &ctxt->state.aes.decrypt_key) != 0) { + error_setg(errp, "Failed to set decryption key"); + goto error; + } + + ctxt->free = qcrypto_cipher_free_aes; + ctxt->setiv = qcrypto_cipher_setiv_aes; + ctxt->encrypt = qcrypto_cipher_encrypt_aes; + ctxt->decrypt = qcrypto_cipher_decrypt_aes; + + cipher->opaque = ctxt; + + return 0; + + error: + g_free(ctxt); + return -1; +} + + +static void qcrypto_cipher_free_des_rfb(QCryptoCipher *cipher) +{ + QCryptoCipherBuiltin *ctxt = cipher->opaque; + + g_free(ctxt->state.desrfb.key); + g_free(ctxt); + cipher->opaque = NULL; +} + + +static int qcrypto_cipher_encrypt_des_rfb(QCryptoCipher *cipher, + const void *in, + void *out, + size_t len, + Error **errp) +{ + QCryptoCipherBuiltin *ctxt = cipher->opaque; + size_t i; + + if (len % 8) { + error_setg(errp, "Buffer size must be multiple of 8 not %zu", + len); + return -1; + } + + deskey(ctxt->state.desrfb.key, EN0); + + for (i = 0; i < len; i += 8) { + des((void *)in + i, out + i); + } + + return 0; +} + + +static int qcrypto_cipher_decrypt_des_rfb(QCryptoCipher *cipher, + const void *in, + void *out, + size_t len, + Error **errp) +{ + QCryptoCipherBuiltin *ctxt = cipher->opaque; + size_t i; + + if (len % 8) { + error_setg(errp, "Buffer size must be multiple of 8 not %zu", + len); + return -1; + } + + deskey(ctxt->state.desrfb.key, DE1); + + for (i = 0; i < len; i += 8) { + des((void *)in + i, out + i); + } + + return 0; +} + + +static int qcrypto_cipher_setiv_des_rfb(QCryptoCipher *cipher, + const uint8_t *iv, size_t niv, + Error **errp) +{ + error_setg(errp, "Setting IV is not supported"); + return -1; +} + + +static int qcrypto_cipher_init_des_rfb(QCryptoCipher *cipher, + const uint8_t *key, size_t nkey, + Error **errp) +{ + QCryptoCipherBuiltin *ctxt; + + if (cipher->mode != QCRYPTO_CIPHER_MODE_ECB) { + error_setg(errp, "Unsupported cipher mode %d", cipher->mode); + return -1; + } + + ctxt = g_new0(QCryptoCipherBuiltin, 1); + + ctxt->state.desrfb.key = g_new0(uint8_t, nkey); + memcpy(ctxt->state.desrfb.key, key, nkey); + ctxt->state.desrfb.nkey = nkey; + + ctxt->free = qcrypto_cipher_free_des_rfb; + ctxt->setiv = qcrypto_cipher_setiv_des_rfb; + ctxt->encrypt = qcrypto_cipher_encrypt_des_rfb; + ctxt->decrypt = qcrypto_cipher_decrypt_des_rfb; + + cipher->opaque = ctxt; + + return 0; +} + + +bool qcrypto_cipher_supports(QCryptoCipherAlgorithm alg) +{ + switch (alg) { + case QCRYPTO_CIPHER_ALG_DES_RFB: + case QCRYPTO_CIPHER_ALG_AES_128: + case QCRYPTO_CIPHER_ALG_AES_192: + case QCRYPTO_CIPHER_ALG_AES_256: + return true; + default: + return false; + } +} + + +QCryptoCipher *qcrypto_cipher_new(QCryptoCipherAlgorithm alg, + QCryptoCipherMode mode, + const uint8_t *key, size_t nkey, + Error **errp) +{ + QCryptoCipher *cipher; + + cipher = g_new0(QCryptoCipher, 1); + cipher->alg = alg; + cipher->mode = mode; + + if (!qcrypto_cipher_validate_key_length(alg, nkey, errp)) { + goto error; + } + + switch (cipher->alg) { + case QCRYPTO_CIPHER_ALG_DES_RFB: + if (qcrypto_cipher_init_des_rfb(cipher, key, nkey, errp) < 0) { + goto error; + } + break; + case QCRYPTO_CIPHER_ALG_AES_128: + case QCRYPTO_CIPHER_ALG_AES_192: + case QCRYPTO_CIPHER_ALG_AES_256: + if (qcrypto_cipher_init_aes(cipher, key, nkey, errp) < 0) { + goto error; + } + break; + default: + error_setg(errp, + "Unsupported cipher algorithm %d", cipher->alg); + goto error; + } + + return cipher; + + error: + g_free(cipher); + return NULL; +} + +void qcrypto_cipher_free(QCryptoCipher *cipher) +{ + QCryptoCipherBuiltin *ctxt = cipher->opaque; + if (!cipher) { + return; + } + + ctxt->free(cipher); + g_free(cipher); +} + + +int qcrypto_cipher_encrypt(QCryptoCipher *cipher, + const void *in, + void *out, + size_t len, + Error **errp) +{ + QCryptoCipherBuiltin *ctxt = cipher->opaque; + + return ctxt->encrypt(cipher, in, out, len, errp); +} + + +int qcrypto_cipher_decrypt(QCryptoCipher *cipher, + const void *in, + void *out, + size_t len, + Error **errp) +{ + QCryptoCipherBuiltin *ctxt = cipher->opaque; + + return ctxt->decrypt(cipher, in, out, len, errp); +} + + +int qcrypto_cipher_setiv(QCryptoCipher *cipher, + const uint8_t *iv, size_t niv, + Error **errp) +{ + QCryptoCipherBuiltin *ctxt = cipher->opaque; + + return ctxt->setiv(cipher, iv, niv, errp); +} diff --git a/crypto/cipher.c b/crypto/cipher.c new file mode 100644 index 0000000..0944827 --- /dev/null +++ b/crypto/cipher.c @@ -0,0 +1,49 @@ +/* + * QEMU Crypto cipher algorithms + * + * Copyright (c) 2015 Red Hat, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + * + */ + +#include "crypto/cipher.h" + +static size_t alg_key_len[QCRYPTO_CIPHER_ALG_LAST] = { + [QCRYPTO_CIPHER_ALG_AES_128] = 16, + [QCRYPTO_CIPHER_ALG_AES_192] = 24, + [QCRYPTO_CIPHER_ALG_AES_256] = 32, + [QCRYPTO_CIPHER_ALG_DES_RFB] = 8, +}; + +static bool +qcrypto_cipher_validate_key_length(QCryptoCipherAlgorithm alg, + size_t nkey, + Error **errp) +{ + if ((unsigned)alg >= QCRYPTO_CIPHER_ALG_LAST) { + error_setg(errp, "Cipher algorithm %d out of range", + alg); + return false; + } + + if (alg_key_len[alg] != nkey) { + error_setg(errp, "Cipher key length %zu should be %zu", + alg_key_len[alg], nkey); + return false; + } + return true; +} + +#include "crypto/cipher-builtin.c" diff --git a/include/crypto/cipher.h b/include/crypto/cipher.h new file mode 100644 index 0000000..b4d714f --- /dev/null +++ b/include/crypto/cipher.h @@ -0,0 +1,210 @@ +/* + * QEMU Crypto cipher algorithms + * + * Copyright (c) 2015 Red Hat, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + * + */ + +#ifndef QCRYPTO_CIPHER_H__ +#define QCRYPTO_CIPHER_H__ + +#include "qemu-common.h" +#include "qapi/error.h" + +typedef struct QCryptoCipher QCryptoCipher; + +typedef enum { + QCRYPTO_CIPHER_ALG_AES_128, + QCRYPTO_CIPHER_ALG_AES_192, + QCRYPTO_CIPHER_ALG_AES_256, + QCRYPTO_CIPHER_ALG_DES_RFB, /* A stupid variant on DES for VNC */ + + QCRYPTO_CIPHER_ALG_LAST +} QCryptoCipherAlgorithm; + +typedef enum { + QCRYPTO_CIPHER_MODE_ECB, + QCRYPTO_CIPHER_MODE_CBC, + + QCRYPTO_CIPHER_MODE_LAST +} QCryptoCipherMode; + +/** + * QCryptoCipher: + * + * The QCryptoCipher object provides a way to perform encryption + * and decryption of data, with a standard API, regardless of the + * algorithm used. It further isolates the calling code from the + * details of the specific underlying implementation, whether + * built-in, libgcrypt or nettle. + * + * Each QCryptoCipher object is capable of performing both + * encryption and decryption, and can operate in a number + * or modes including ECB, CBC. + * + * <example> + * <title>Encrypting data with AES-128 in CBC mode</title> + * <programlisting> + * QCryptoCipher *cipher; + * uint8_t key = ....; + * size_t keylen = 16; + * uint8_t iv = ....; + * + * if (!qcrypto_cipher_supports(QCRYPTO_CIPHER_ALG_AES_128)) { + * error_report(errp, "Feature <blah> requires AES cipher support"); + * return -1; + * } + * + * cipher = qcrypto_cipher_new(QCRYPTO_CIPHER_ALG_AES_128, + * QCRYPTO_CIPHER_MODE_CBC, + * key, keylen, + * errp); + * if (!cipher) { + * return -1; + * } + * + * if (qcrypto_cipher_set_iv(cipher, iv, keylen, errp) < 0) { + * return -1; + * } + * + * if (qcrypto_cipher_encrypt(cipher, rawdata, encdata, datalen, errp) < 0) { + * return -1; + * } + * + * qcrypto_cipher_free(cipher); + * </programlisting> + * </example> + * + */ + +struct QCryptoCipher { + QCryptoCipherAlgorithm alg; + QCryptoCipherMode mode; + void *opaque; +}; + +/** + * qcrypto_cipher_supports: + * @alg: the cipher algorithm + * + * Determine if @alg cipher algorithm is supported by the + * current configured build + * + * Returns: true if the algorithm is supported, false otherwise + */ +bool qcrypto_cipher_supports(QCryptoCipherAlgorithm alg); + + +/** + * qcrypto_cipher_new: + * @alg: the cipher algorithm + * @mode: the cipher usage mode + * @key: the private key bytes + * @nkey: the length of @key + * @errp: pointer to an uninitialized error object + * + * Creates a new cipher object for encrypting/decrypting + * data with the algorithm @alg in the usage mode @mode. + * + * The @key parameter provides the bytes representing + * the encryption/decryption key to use. The @nkey parameter + * specifies the length of @key in bytes. Each algorithm has + * one or more valid key lengths, and it is an error to provide + * a key of the incorrect length. + * + * The returned cipher object must be released with + * qcrypto_cipher_free() when no longer required + * + * Returns: a new cipher object, or NULL on error + */ +QCryptoCipher *qcrypto_cipher_new(QCryptoCipherAlgorithm alg, + QCryptoCipherMode mode, + const uint8_t *key, size_t nkey, + Error **errp); + +/** + * qcrypto_cipher_free: + * @cipher: the cipher object + * + * Release the memory associated with @cipher that + * was previously allocated by qcrypto_cipher_new() + */ +void qcrypto_cipher_free(QCryptoCipher *cipher); + +/** + * qcrypto_cipher_encrypt: + * @cipher: the cipher object + * @in: buffer holding the plain text input data + * @out: buffer to fill with the cipher text output data + * @len: the length of @in and @out buffers + * @errp: pointer to an uninitialized error object + * + * Encrypts the plain text stored in @in, filling + * @out with the resulting ciphered text. Both the + * @in and @out buffers must have the same size, + * given by @len. + * + * Returns: 0 on success, or -1 on error + */ +int qcrypto_cipher_encrypt(QCryptoCipher *cipher, + const void *in, + void *out, + size_t len, + Error **errp); + + +/** + * qcrypto_cipher_decrypt: + * @cipher: the cipher object + * @in: buffer holding the cipher text input data + * @out: buffer to fill with the plain text output data + * @len: the length of @in and @out buffers + * @errp: pointer to an uninitialized error object + * + * Decrypts the cipher text stored in @in, filling + * @out with the resulting plain text. Both the + * @in and @out buffers must have the same size, + * given by @len. + * + * Returns: 0 on success, or -1 on error + */ +int qcrypto_cipher_decrypt(QCryptoCipher *cipher, + const void *in, + void *out, + size_t len, + Error **errp); + +/** + * qcrypto_cipher_setiv: + * @cipher: the cipher object + * @iv: the initialization vector bytes + * @niv: the length of @iv + * @errpr: pointer to an uninitialized error object + * + * If the @cipher object is setup to use a mode that requires + * initialization vectors, this sets the initialization vector + * bytes. The @iv data should have the same length as the + * cipher key used when originally constructing the cipher + * object. It is an error to set an initialization vector + * if the cipher mode does not require one. + * + * Returns: 0 on success, -1 on error + */ +int qcrypto_cipher_setiv(QCryptoCipher *cipher, + const uint8_t *iv, size_t niv, + Error **errp); + +#endif /* QCRYPTO_CIPHER_H__ */ diff --git a/tests/.gitignore b/tests/.gitignore index 18f60f1..ccc92e4 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -10,6 +10,7 @@ rcutorture test-aio test-bitops test-coroutine +test-crypto-cipher test-crypto-hash test-cutils test-hbitmap diff --git a/tests/Makefile b/tests/Makefile index 8c7f1ac..09838ac 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -75,6 +75,7 @@ gcov-files-test-qemu-opts-y = qom/test-qemu-opts.c check-unit-y += tests/test-write-threshold$(EXESUF) gcov-files-test-write-threshold-y = block/write-threshold.c check-unit-$(CONFIG_GNUTLS_HASH) += tests/test-crypto-hash$(EXESUF) +check-unit-y += tests/test-crypto-cipher$(EXESUF) check-block-$(CONFIG_POSIX) += tests/qemu-iotests-quick.sh @@ -341,6 +342,7 @@ tests/test-opts-visitor$(EXESUF): tests/test-opts-visitor.o $(test-qapi-obj-y) l tests/test-mul64$(EXESUF): tests/test-mul64.o libqemuutil.a tests/test-bitops$(EXESUF): tests/test-bitops.o libqemuutil.a tests/test-crypto-hash$(EXESUF): tests/test-crypto-hash.o libqemuutil.a libqemustub.a +tests/test-crypto-cipher$(EXESUF): tests/test-crypto-cipher.o libqemuutil.a libqemustub.a libqos-obj-y = tests/libqos/pci.o tests/libqos/fw_cfg.o tests/libqos/malloc.o libqos-obj-y += tests/libqos/i2c.o tests/libqos/libqos.o diff --git a/tests/test-crypto-cipher.c b/tests/test-crypto-cipher.c new file mode 100644 index 0000000..f9b1a03 --- /dev/null +++ b/tests/test-crypto-cipher.c @@ -0,0 +1,290 @@ +/* + * QEMU Crypto cipher algorithms + * + * Copyright (c) 2015 Red Hat, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + * + */ + +#include <glib.h> + +#include "crypto/init.h" +#include "crypto/cipher.h" + +typedef struct QCryptoCipherTestData QCryptoCipherTestData; +struct QCryptoCipherTestData { + const char *path; + QCryptoCipherAlgorithm alg; + QCryptoCipherMode mode; + const char *key; + const char *plaintext; + const char *ciphertext; + const char *iv; +}; + +/* AES test data comes from appendix F of: + * + * http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf + */ +static QCryptoCipherTestData test_data[] = { + { + /* NIST F.1.1 ECB-AES128.Encrypt */ + .path = "/crypto/cipher/aes-ecb-128", + .alg = QCRYPTO_CIPHER_ALG_AES_128, + .mode = QCRYPTO_CIPHER_MODE_ECB, + .key = "2b7e151628aed2a6abf7158809cf4f3c", + .plaintext = + "6bc1bee22e409f96e93d7e117393172a" + "ae2d8a571e03ac9c9eb76fac45af8e51" + "30c81c46a35ce411e5fbc1191a0a52ef" + "f69f2445df4f9b17ad2b417be66c3710", + .ciphertext = + "3ad77bb40d7a3660a89ecaf32466ef97" + "f5d3d58503b9699de785895a96fdbaaf" + "43b1cd7f598ece23881b00e3ed030688" + "7b0c785e27e8ad3f8223207104725dd4" + }, + { + /* NIST F.1.3 ECB-AES192.Encrypt */ + .path = "/crypto/cipher/aes-ecb-192", + .alg = QCRYPTO_CIPHER_ALG_AES_192, + .mode = QCRYPTO_CIPHER_MODE_ECB, + .key = "8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b", + .plaintext = + "6bc1bee22e409f96e93d7e117393172a" + "ae2d8a571e03ac9c9eb76fac45af8e51" + "30c81c46a35ce411e5fbc1191a0a52ef" + "f69f2445df4f9b17ad2b417be66c3710", + .ciphertext = + "bd334f1d6e45f25ff712a214571fa5cc" + "974104846d0ad3ad7734ecb3ecee4eef" + "ef7afd2270e2e60adce0ba2face6444e" + "9a4b41ba738d6c72fb16691603c18e0e" + }, + { + /* NIST F.1.5 ECB-AES256.Encrypt */ + .path = "/crypto/cipher/aes-ecb-256", + .alg = QCRYPTO_CIPHER_ALG_AES_256, + .mode = QCRYPTO_CIPHER_MODE_ECB, + .key = + "603deb1015ca71be2b73aef0857d7781" + "1f352c073b6108d72d9810a30914dff4", + .plaintext = + "6bc1bee22e409f96e93d7e117393172a" + "ae2d8a571e03ac9c9eb76fac45af8e51" + "30c81c46a35ce411e5fbc1191a0a52ef" + "f69f2445df4f9b17ad2b417be66c3710", + .ciphertext = + "f3eed1bdb5d2a03c064b5a7e3db181f8" + "591ccb10d410ed26dc5ba74a31362870" + "b6ed21b99ca6f4f9f153e7b1beafed1d" + "23304b7a39f9f3ff067d8d8f9e24ecc7", + }, + { + /* NIST F.2.1 CBC-AES128.Encrypt */ + .path = "/crypto/cipher/aes-cbc-128", + .alg = QCRYPTO_CIPHER_ALG_AES_128, + .mode = QCRYPTO_CIPHER_MODE_CBC, + .key = "2b7e151628aed2a6abf7158809cf4f3c", + .iv = "000102030405060708090a0b0c0d0e0f", + .plaintext = + "6bc1bee22e409f96e93d7e117393172a" + "ae2d8a571e03ac9c9eb76fac45af8e51" + "30c81c46a35ce411e5fbc1191a0a52ef" + "f69f2445df4f9b17ad2b417be66c3710", + .ciphertext = + "7649abac8119b246cee98e9b12e9197d" + "5086cb9b507219ee95db113a917678b2" + "73bed6b8e3c1743b7116e69e22229516" + "3ff1caa1681fac09120eca307586e1a7", + }, + { + /* NIST F.2.3 CBC-AES128.Encrypt */ + .path = "/crypto/cipher/aes-cbc-192", + .alg = QCRYPTO_CIPHER_ALG_AES_192, + .mode = QCRYPTO_CIPHER_MODE_CBC, + .key = "8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b", + .iv = "000102030405060708090a0b0c0d0e0f", + .plaintext = + "6bc1bee22e409f96e93d7e117393172a" + "ae2d8a571e03ac9c9eb76fac45af8e51" + "30c81c46a35ce411e5fbc1191a0a52ef" + "f69f2445df4f9b17ad2b417be66c3710", + .ciphertext = + "4f021db243bc633d7178183a9fa071e8" + "b4d9ada9ad7dedf4e5e738763f69145a" + "571b242012fb7ae07fa9baac3df102e0" + "08b0e27988598881d920a9e64f5615cd", + }, + { + /* NIST F.2.5 CBC-AES128.Encrypt */ + .path = "/crypto/cipher/aes-cbc-256", + .alg = QCRYPTO_CIPHER_ALG_AES_256, + .mode = QCRYPTO_CIPHER_MODE_CBC, + .key = + "603deb1015ca71be2b73aef0857d7781" + "1f352c073b6108d72d9810a30914dff4", + .iv = "000102030405060708090a0b0c0d0e0f", + .plaintext = + "6bc1bee22e409f96e93d7e117393172a" + "ae2d8a571e03ac9c9eb76fac45af8e51" + "30c81c46a35ce411e5fbc1191a0a52ef" + "f69f2445df4f9b17ad2b417be66c3710", + .ciphertext = + "f58c4c04d6e5f1ba779eabfb5f7bfbd6" + "9cfc4e967edb808d679f777bc6702c7d" + "39f23369a9d9bacfa530e26304231461" + "b2eb05e2c39be9fcda6c19078c6a9d1b", + }, + { + .path = "/crypto/cipher/des-rfb-ecb-56", + .alg = QCRYPTO_CIPHER_ALG_DES_RFB, + .mode = QCRYPTO_CIPHER_MODE_ECB, + .key = "0123456789abcdef", + .plaintext = + "6bc1bee22e409f96e93d7e117393172a" + "ae2d8a571e03ac9c9eb76fac45af8e51" + "30c81c46a35ce411e5fbc1191a0a52ef" + "f69f2445df4f9b17ad2b417be66c3710", + .ciphertext = + "8f346aaf64eaf24040720d80648c52e7" + "aefc616be53ab1a3d301e69d91e01838" + "ffd29f1bb5596ad94ea2d8e6196b7f09" + "30d8ed0bf2773af36dd82a6280c20926", + }, +}; + + +static inline int unhex(char c) +{ + if (c >= 'a' && c <= 'f') { + return 10 + (c - 'a'); + } + if (c >= 'A' && c <= 'F') { + return 10 + (c - 'A'); + } + return c - '0'; +} + +static inline char hex(int i) +{ + if (i < 10) { + return '0' + i; + } + return 'a' + (i - 10); +} + +static size_t unhex_string(const char *hexstr, + uint8_t **data) +{ + size_t len; + size_t i; + + if (!hexstr) { + *data = NULL; + return 0; + } + + len = strlen(hexstr); + *data = g_new0(uint8_t, len / 2); + + for (i = 0; i < len; i += 2) { + (*data)[i/2] = (unhex(hexstr[i]) << 4) | unhex(hexstr[i+1]); + } + return len / 2; +} + +static char *hex_string(const uint8_t *bytes, + size_t len) +{ + char *hexstr = g_new0(char, len * 2 + 1); + size_t i; + + for (i = 0; i < len; i++) { + hexstr[i*2] = hex((bytes[i] >> 4) & 0xf); + hexstr[i*2+1] = hex(bytes[i] & 0xf); + } + hexstr[len*2] = '\0'; + + return hexstr; +} + +static void test_cipher(const void *opaque) +{ + const QCryptoCipherTestData *data = opaque; + + QCryptoCipher *cipher; + Error *err = NULL; + uint8_t *key, *iv, *ciphertext, *plaintext, *outtext; + size_t nkey, niv, nciphertext, nplaintext; + char *outtexthex; + + g_test_message("foo"); + nkey = unhex_string(data->key, &key); + niv = unhex_string(data->iv, &iv); + nciphertext = unhex_string(data->ciphertext, &ciphertext); + nplaintext = unhex_string(data->plaintext, &plaintext); + + g_assert(nciphertext == nplaintext); + + outtext = g_new0(uint8_t, nciphertext); + + cipher = qcrypto_cipher_new( + data->alg, data->mode, + key, nkey, + &err); + g_assert(cipher != NULL); + g_assert(err == NULL); + + + if (iv) { + g_assert(qcrypto_cipher_setiv(cipher, + iv, niv, + &err) == 0); + g_assert(err == NULL); + } + g_assert(qcrypto_cipher_encrypt(cipher, + plaintext, + outtext, + nplaintext, + &err) == 0); + g_assert(err == NULL); + + outtexthex = hex_string(outtext, nciphertext); + + g_assert_cmpstr(outtexthex, ==, data->ciphertext); + + g_free(outtext); + g_free(outtexthex); + g_free(key); + g_free(iv); + g_free(ciphertext); + g_free(plaintext); + qcrypto_cipher_free(cipher); +} + +int main(int argc, char **argv) +{ + size_t i; + + g_test_init(&argc, &argv, NULL); + + g_assert(qcrypto_init(NULL) == 0); + + for (i = 0; i < G_N_ELEMENTS(test_data); i++) { + g_test_add_data_func(test_data[i].path, &test_data[i], test_cipher); + } + return g_test_run(); +} |
