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Merged gsoc-ssh branch. Closes #910
This commit is contained in:
evangel
371
libssh2/src/mbedtls.h
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371
libssh2/src/mbedtls.h
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#include <stdlib.h>
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#include <string.h>
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#include <mbedtls/platform.h>
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#include <mbedtls/md.h>
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#include <mbedtls/rsa.h>
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#include <mbedtls/bignum.h>
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#include <mbedtls/cipher.h>
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#include <mbedtls/entropy.h>
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#include <mbedtls/ctr_drbg.h>
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#include <mbedtls/pk.h>
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#include <mbedtls/error.h>
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/* Define which features are supported. */
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#define LIBSSH2_MD5 1
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#define LIBSSH2_HMAC_RIPEMD 1
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#define LIBSSH2_HMAC_SHA256 1
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#define LIBSSH2_HMAC_SHA512 1
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#define LIBSSH2_AES 1
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#define LIBSSH2_AES_CTR 1
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#define LIBSSH2_BLOWFISH 1
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#define LIBSSH2_RC4 1
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#define LIBSSH2_CAST 0
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#define LIBSSH2_3DES 1
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#define LIBSSH2_RSA 1
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#define LIBSSH2_DSA 0
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#define MD5_DIGEST_LENGTH 16
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#define SHA_DIGEST_LENGTH 20
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#define SHA256_DIGEST_LENGTH 32
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#define SHA512_DIGEST_LENGTH 64
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/*******************************************************************/
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/*
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* mbedTLS backend: Global context handles
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*/
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mbedtls_entropy_context _libssh2_mbedtls_entropy;
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mbedtls_ctr_drbg_context _libssh2_mbedtls_ctr_drbg;
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/*******************************************************************/
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/*
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* mbedTLS backend: Generic functions
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*/
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#define libssh2_crypto_init() \
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_libssh2_mbedtls_init()
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#define libssh2_crypto_exit() \
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_libssh2_mbedtls_free()
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#define _libssh2_random(buf, len) \
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_libssh2_mbedtls_random(buf, len)
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#define libssh2_prepare_iovec(vec, len) /* Empty. */
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/*******************************************************************/
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/*
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* mbedTLS backend: HMAC functions
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*/
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#define libssh2_hmac_ctx mbedtls_md_context_t
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#define libssh2_hmac_ctx_init(ctx)
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#define libssh2_hmac_cleanup(pctx) \
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mbedtls_md_free(pctx)
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#define libssh2_hmac_update(ctx, data, datalen) \
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mbedtls_md_hmac_update(&ctx, (unsigned char *) data, datalen)
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#define libssh2_hmac_final(ctx, hash) \
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mbedtls_md_hmac_finish(&ctx, hash)
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#define libssh2_hmac_sha1_init(pctx, key, keylen) \
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_libssh2_mbedtls_hash_init(pctx, MBEDTLS_MD_SHA1, key, keylen)
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#define libssh2_hmac_md5_init(pctx, key, keylen) \
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_libssh2_mbedtls_hash_init(pctx, MBEDTLS_MD_MD5, key, keylen)
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#define libssh2_hmac_ripemd160_init(pctx, key, keylen) \
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_libssh2_mbedtls_hash_init(pctx, MBEDTLS_MD_RIPEMD160, key, keylen)
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#define libssh2_hmac_sha256_init(pctx, key, keylen) \
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_libssh2_mbedtls_hash_init(pctx, MBEDTLS_MD_SHA256, key, keylen)
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#define libssh2_hmac_sha512_init(pctx, key, keylen) \
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_libssh2_mbedtls_hash_init(pctx, MBEDTLS_MD_SHA512, key, keylen)
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/*******************************************************************/
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/*
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* mbedTLS backend: SHA1 functions
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*/
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#define libssh2_sha1_ctx mbedtls_md_context_t
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#define libssh2_sha1_init(pctx) \
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_libssh2_mbedtls_hash_init(pctx, MBEDTLS_MD_SHA1, NULL, 0)
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#define libssh2_sha1_update(ctx, data, datalen) \
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mbedtls_md_update(&ctx, (unsigned char *) data, datalen)
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#define libssh2_sha1_final(ctx, hash) \
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_libssh2_mbedtls_hash_final(&ctx, hash)
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#define libssh2_sha1(data, datalen, hash) \
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_libssh2_mbedtls_hash(data, datalen, MBEDTLS_MD_SHA1, hash)
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/*******************************************************************/
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/*
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* mbedTLS backend: SHA256 functions
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*/
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#define libssh2_sha256_ctx mbedtls_md_context_t
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#define libssh2_sha256_init(pctx) \
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_libssh2_mbedtls_hash_init(pctx, MBEDTLS_MD_SHA256, NULL, 0)
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#define libssh2_sha256_update(ctx, data, datalen) \
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mbedtls_md_update(&ctx, (unsigned char *) data, datalen)
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#define libssh2_sha256_final(ctx, hash) \
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_libssh2_mbedtls_hash_final(&ctx, hash)
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#define libssh2_sha256(data, datalen, hash) \
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_libssh2_mbedtls_hash(data, datalen, MBEDTLS_MD_SHA256, hash)
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/*******************************************************************/
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/*
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* mbedTLS backend: SHA512 functions
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*/
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#define libssh2_sha512_ctx mbedtls_md_context_t
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#define libssh2_sha512_init(pctx) \
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_libssh2_mbedtls_hash_init(pctx, MBEDTLS_MD_SHA512, NULL, 0)
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#define libssh2_sha512_update(ctx, data, datalen) \
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mbedtls_md_update(&ctx, (unsigned char *) data, datalen)
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#define libssh2_sha512_final(ctx, hash) \
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_libssh2_mbedtls_hash_final(&ctx, hash)
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#define libssh2_sha512(data, datalen, hash) \
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_libssh2_mbedtls_hash(data, datalen, MBEDTLS_MD_SHA512, hash)
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/*******************************************************************/
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/*
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* mbedTLS backend: MD5 functions
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*/
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#define libssh2_md5_ctx mbedtls_md_context_t
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#define libssh2_md5_init(pctx) \
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_libssh2_mbedtls_hash_init(pctx, MBEDTLS_MD_MD5, NULL, 0)
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#define libssh2_md5_update(ctx, data, datalen) \
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mbedtls_md_update(&ctx, (unsigned char *) data, datalen)
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#define libssh2_md5_final(ctx, hash) \
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_libssh2_mbedtls_hash_final(&ctx, hash)
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#define libssh2_md5(data, datalen, hash) \
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_libssh2_mbedtls_hash(data, datalen, MBEDTLS_MD_MD5, hash)
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/*******************************************************************/
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/*
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* mbedTLS backend: RSA structure
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*/
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#define libssh2_rsa_ctx mbedtls_rsa_context
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#define _libssh2_rsa_new(rsactx, e, e_len, n, n_len, \
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d, d_len, p, p_len, q, q_len, \
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e1, e1_len, e2, e2_len, c, c_len) \
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_libssh2_mbedtls_rsa_new(rsactx, e, e_len, n, n_len, \
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d, d_len, p, p_len, q, q_len, \
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e1, e1_len, e2, e2_len, c, c_len)
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#define _libssh2_rsa_new_private(rsactx, s, filename, passphrase) \
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_libssh2_mbedtls_rsa_new_private(rsactx, s, filename, passphrase)
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#define _libssh2_rsa_new_private_frommemory(rsactx, s, filedata, \
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filedata_len, passphrase) \
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_libssh2_mbedtls_rsa_new_private_frommemory(rsactx, s, filedata, \
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filedata_len, passphrase)
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#define _libssh2_rsa_sha1_sign(s, rsactx, hash, hash_len, sig, sig_len) \
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_libssh2_mbedtls_rsa_sha1_sign(s, rsactx, hash, hash_len, sig, sig_len)
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#define _libssh2_rsa_sha1_verify(rsactx, sig, sig_len, m, m_len) \
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_libssh2_mbedtls_rsa_sha1_verify(rsactx, sig, sig_len, m, m_len)
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#define _libssh2_rsa_free(rsactx) \
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_libssh2_mbedtls_rsa_free(rsactx)
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/*
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* mbedTLS backend: Key functions
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*/
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#define _libssh2_pub_priv_keyfile(s, m, m_len, p, p_len, pk, pw) \
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_libssh2_mbedtls_pub_priv_keyfile(s, m, m_len, p, p_len, pk, pw)
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#define _libssh2_pub_priv_keyfilememory(s, m, m_len, p, p_len, \
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pk, pk_len, pw) \
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_libssh2_mbedtls_pub_priv_keyfilememory(s, m, m_len, p, p_len, \
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pk, pk_len, pw)
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/*******************************************************************/
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/*
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* mbedTLS backend: Cipher Context structure
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*/
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#define _libssh2_cipher_ctx mbedtls_cipher_context_t
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#define _libssh2_cipher_type(algo) mbedtls_cipher_type_t algo
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#define _libssh2_cipher_aes256ctr MBEDTLS_CIPHER_AES_256_CTR
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#define _libssh2_cipher_aes192ctr MBEDTLS_CIPHER_AES_192_CTR
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#define _libssh2_cipher_aes128ctr MBEDTLS_CIPHER_AES_128_CTR
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#define _libssh2_cipher_aes256 MBEDTLS_CIPHER_AES_256_CBC
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#define _libssh2_cipher_aes192 MBEDTLS_CIPHER_AES_192_CBC
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#define _libssh2_cipher_aes128 MBEDTLS_CIPHER_AES_128_CBC
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#define _libssh2_cipher_blowfish MBEDTLS_CIPHER_BLOWFISH_CBC
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#define _libssh2_cipher_arcfour MBEDTLS_CIPHER_ARC4_128
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#define _libssh2_cipher_cast5 MBEDTLS_CIPHER_NULL
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#define _libssh2_cipher_3des MBEDTLS_CIPHER_DES_EDE3_CBC
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/*
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* mbedTLS backend: Cipher functions
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*/
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#define _libssh2_cipher_init(ctx, type, iv, secret, encrypt) \
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_libssh2_mbedtls_cipher_init(ctx, type, iv, secret, encrypt)
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#define _libssh2_cipher_crypt(ctx, type, encrypt, block, blocklen) \
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_libssh2_mbedtls_cipher_crypt(ctx, type, encrypt, block, blocklen)
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#define _libssh2_cipher_dtor(ctx) \
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_libssh2_mbedtls_cipher_dtor(ctx)
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/*******************************************************************/
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/*
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* mbedTLS backend: BigNumber Support
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*/
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#define _libssh2_bn_ctx int /* not used */
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#define _libssh2_bn_ctx_new() 0 /* not used */
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#define _libssh2_bn_ctx_free(bnctx) ((void)0) /* not used */
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#define _libssh2_bn mbedtls_mpi
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#define _libssh2_bn_init() \
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_libssh2_mbedtls_bignum_init()
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#define _libssh2_bn_init_from_bin() \
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_libssh2_mbedtls_bignum_init()
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#define _libssh2_bn_rand(bn, bits, top, bottom) \
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_libssh2_mbedtls_bignum_random(bn, bits, top, bottom)
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#define _libssh2_bn_mod_exp(r, a, p, m, ctx) \
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mbedtls_mpi_exp_mod(r, a, p, m, NULL)
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#define _libssh2_bn_set_word(bn, word) \
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mbedtls_mpi_lset(bn, word)
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#define _libssh2_bn_from_bin(bn, len, bin) \
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mbedtls_mpi_read_binary(bn, bin, len)
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#define _libssh2_bn_to_bin(bn, bin) \
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mbedtls_mpi_write_binary(bn, bin, mbedtls_mpi_size(bn))
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#define _libssh2_bn_bytes(bn) \
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mbedtls_mpi_size(bn)
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#define _libssh2_bn_bits(bn) \
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mbedtls_mpi_bitlen(bn)
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#define _libssh2_bn_free(bn) \
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mbedtls_mpi_free(bn)
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/*******************************************************************/
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/*
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* mbedTLS backend: forward declarations
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*/
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void
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_libssh2_mbedtls_init(void);
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void
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_libssh2_mbedtls_free(void);
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int
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_libssh2_mbedtls_random(unsigned char *buf, int len);
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int
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_libssh2_mbedtls_cipher_init(_libssh2_cipher_ctx *ctx,
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_libssh2_cipher_type(type),
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unsigned char *iv,
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unsigned char *secret,
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int encrypt);
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int
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_libssh2_mbedtls_cipher_crypt(_libssh2_cipher_ctx *ctx,
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_libssh2_cipher_type(type),
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int encrypt,
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unsigned char *block,
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size_t blocklen);
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void
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_libssh2_mbedtls_cipher_dtor(_libssh2_cipher_ctx *ctx);
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int
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_libssh2_mbedtls_hash_init(mbedtls_md_context_t *ctx,
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mbedtls_md_type_t mdtype,
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const unsigned char *key, unsigned long keylen);
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int
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_libssh2_mbedtls_hash_final(mbedtls_md_context_t *ctx, unsigned char *hash);
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int
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_libssh2_mbedtls_hash(const unsigned char *data, unsigned long datalen,
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mbedtls_md_type_t mdtype, unsigned char *hash);
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_libssh2_bn *
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_libssh2_mbedtls_bignum_init(void);
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void
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_libssh2_mbedtls_bignum_free(_libssh2_bn *bn);
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int
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_libssh2_mbedtls_bignum_random(_libssh2_bn *bn, int bits, int top, int bottom);
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int
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_libssh2_mbedtls_rsa_new(libssh2_rsa_ctx **rsa,
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const unsigned char *edata,
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unsigned long elen,
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const unsigned char *ndata,
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unsigned long nlen,
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const unsigned char *ddata,
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unsigned long dlen,
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const unsigned char *pdata,
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unsigned long plen,
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const unsigned char *qdata,
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unsigned long qlen,
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const unsigned char *e1data,
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unsigned long e1len,
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const unsigned char *e2data,
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unsigned long e2len,
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const unsigned char *coeffdata,
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unsigned long coefflen);
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int
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_libssh2_mbedtls_rsa_new_private(libssh2_rsa_ctx **rsa,
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LIBSSH2_SESSION *session,
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const char *filename,
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const unsigned char *passphrase);
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int
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_libssh2_mbedtls_rsa_new_private_frommemory(libssh2_rsa_ctx **rsa,
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LIBSSH2_SESSION *session,
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const char *filedata,
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size_t filedata_len,
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unsigned const char *passphrase);
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int
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_libssh2_mbedtls_rsa_sha1_verify(libssh2_rsa_ctx *rsa,
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const unsigned char *sig,
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unsigned long sig_len,
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const unsigned char *m,
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unsigned long m_len);
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int
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_libssh2_mbedtls_rsa_sha1_sign(LIBSSH2_SESSION *session,
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libssh2_rsa_ctx *rsa,
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const unsigned char *hash,
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size_t hash_len,
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unsigned char **signature,
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size_t *signature_len);
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void
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_libssh2_mbedtls_rsa_free(libssh2_rsa_ctx *rsa);
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int
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_libssh2_mbedtls_pub_priv_keyfile(LIBSSH2_SESSION *session,
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unsigned char **method,
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size_t *method_len,
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unsigned char **pubkeydata,
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size_t *pubkeydata_len,
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const char *privatekey,
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const char *passphrase);
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int
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_libssh2_mbedtls_pub_priv_keyfilememory(LIBSSH2_SESSION *session,
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unsigned char **method,
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size_t *method_len,
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unsigned char **pubkeydata,
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size_t *pubkeydata_len,
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const char *privatekeydata,
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size_t privatekeydata_len,
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const char *passphrase);
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