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FreeBSD Man Page Search Results
| Query: EVP_CIPHER_CTX_free |
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| Rank |
Title |
File Size |
| 1. |
Net::SSLeay(3) - Perl bindings for OpenSSL and LibreSSL |
522 K |
| 2. |
EVP_AES_128_CCM(3) - nonce_len;const unsigned char aad[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07};const int aad_len = sizeof(aad);const unsigned char plaintext[] = { 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E};const int text_len = sizeof(plaintext);/* expected output data */const unsigned char ciphertext[] = { 0x58, 0x8C, 0x97, 0x9A, 0x61, 0xC6, 0x63, 0xD2, 0xF0, 0x66, 0xD0, 0xC2, 0xC0, 0xF9, 0x89, 0x80, 0x6D, 0x5F, 0x6B, 0x61, 0xDA, 0xC3, 0x84};const unsigned char wanted_tag[] = { 0x17, 0xE8, 0xD1, 0x2C, 0xFD, 0xF9, 0x26, 0xE0};const int tag_len = sizeof(wanted_tag);const int out_len = aad_len + text_len + tag_len;unsigned char out_buf[out_len];unsigned char *out_p = out_buf;unsigned char *out_end = out_buf + out_len;/* auxiliary variables */EVP_CIPHER_CTX *ctx;int irv, i;/* configuration */ctx = EVP_CIPHER_CTX_new();if (ctx == NULL) err(1, "EVP_CIPHER_CTX_new");if (EVP_EncryptInit(ctx, EVP_aes_128_ccm(), NULL, NULL) != 1) err(1, "EVP_EncryptInit(NULL)");if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_CCM_SET_L, size_len, NULL) <= 0) err(1, "EVP_CTRL_CCM_SET_L(%d)", size_len);if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_CCM_SET_TAG, tag_len, NULL) <= 0) err(1, "EVP_CTRL_CCM_SET_TAG(%d)", tag_len);/* process input data */if (EVP_EncryptInit(ctx, NULL, key, nonce) != 1) err(1, "EVP_EncryptInit(key, nonce)");if (EVP_EncryptUpdate(ctx, NULL, &irv, NULL, text_len) != 1) err(1, "EVP_EncryptUpdate(len = %d)", text_len);if (irv != text_len) errx(1, "text length: want %d, got %d", text_len, irv);irv = -1;if (EVP_EncryptUpdate(ctx, NULL, &irv, aad, aad_len) != 1) err(1, "EVP_EncryptUpdate(AAD)");memcpy(out_p, aad, aad_len);out_p += aad_len;irv = -1;if (EVP_EncryptUpdate(ctx, out_p, &irv, plaintext, text_len) != 1) err(1, "EVP_EncryptUpdate(plaintext)");if (irv != text_len) errx(1, "text_len: want %d, got %d", text_len, irv);out_p += irv;/* * EVP_EncryptFinal(3) doesn't really do anything for CCM. * Call it anyway to stay closer to normal EVP_Encrypt*(3) idioms, * to match what the OpenSSL Wiki suggests since 2013, and to ease * later migration of the code to a different AEAD algorithm. */irv = -1;if (EVP_EncryptFinal(ctx, out_p, &irv) != 1) err(1, "EVP_EncryptFinal");if (irv != 0) errx(1, "final_len: want 0, got %d", irv);/* check output data */if (memcmp(out_buf + aad_len, ciphertext, text_len) != 0) errx(1, "ciphertext mismatch");if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_CCM_GET_TAG, tag_len, out_p) <= 0) err(1, "EVP_CTRL_CCM_GET_TAG");if (memcmp(out_p, wanted_tag, tag_len) != 0) errx(1, "tag mismatch");out_p += tag_len;if (out_p != out_end) errx(1, "end of output: want %p, got %p", out_end, out_p);printf("Total packet length = %d.", out_len);printf(" [Authenticated and Encrypted Output]");for (i = 0; i < out_len; i++) { if (i % 16 == 0) printf("\n "); if (i % 4 == 0) putchar(' '); printf(" %02X", out_buf[i]);}putchar('\n');EVP_CIPHER_CTX_free(ctx); |
30 K |
| 3. |
EVP_ENCRYPTINIT(3ossl) - EVP cipher routines |
109 K |
| 4. |
EVP_ENCRYPTINIT(3) - 1 |
40 K |
| 5. |
MIGRATION_GUIDE(7ossl) - OpenSSL migration guide |
109 K |
| 6. |
OSSL-GUIDE-MIGRATION(7ossl) - OpenSSL Guide: Migrating from older OpenSSL versions |
111 K |
| 7. |
EVP_EncryptInit(3) - EVP cipher routines |
39 K |
| 8. |
EVP_MAC(3ossl) - EVP MAC routines |
30 K |
| 9. |
EVP_CIPHER_METH_NEW(3ossl) - Routines to build up EVP_CIPHER methods |
20 K |
| 10. |
EVP_ASYM_CIPHER_FREE(3ossl) - Functions to manage EVP_ASYM_CIPHER algorithm objects |
13 K |
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