crypto/evp/evp_enc.c

11  * apply to all code found in this distribution, be it the RC4, RSA,
16  * Copyright remains Eric Young's, and as such any Copyright notices in
18  * If this package is used in a product, Eric Young should be given attribution
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
23  * Redistribution and use in source and binary forms, with or without
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
74 # define M_do_cipher(ctx, out, in, inl) FIPS_cipher(ctx, out, in, inl)
76 # define M_do_cipher(ctx, out, in, inl) ctx->cipher->do_cipher(ctx, out, in, inl)
214     /* we assume block size is a power of 2 in *cryptUpdate */
271                      const unsigned char *in, int inl)
274         return EVP_EncryptUpdate(ctx, out, outl, in, inl);
276         return EVP_DecryptUpdate(ctx, out, outl, in, inl);
323                                     const unsigned char *in, int inl)
328         i = M_do_cipher(ctx, out, in, inl);
342         if (M_do_cipher(ctx, out, in, inl)) {
355             memcpy(&(ctx->buf[i]), in, inl);
363              * Once we've processed the first j bytes from in, the amount of
374             memcpy(&(ctx->buf[i]), in, j);
378             in += j;
387         if (!M_do_cipher(ctx, out, in, inl))
393         memcpy(ctx->buf, &(in[inl]), i);
399                       const unsigned char *in, int inl)
407     return evp_EncryptDecryptUpdate(ctx, out, outl, in, inl);
466                       const unsigned char *in, int inl)
478         fix_len = M_do_cipher(ctx, out, in, inl);
493         return evp_EncryptDecryptUpdate(ctx, out, outl, in, inl);
518     if (!evp_EncryptDecryptUpdate(ctx, out, outl, in, inl))
698 int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in)
700     if ((in == NULL) || (in->cipher == NULL)) {
706     if (in->engine && !ENGINE_init(in->engine)) {
713     memcpy(out, in, sizeof(*out));
715     if (in->cipher_data && in->cipher->ctx_size) {
716         out->cipher_data = OPENSSL_malloc(in->cipher->ctx_size);
722         memcpy(out->cipher_data, in->cipher_data, in->cipher->ctx_size);
725     if (in->cipher->flags & EVP_CIPH_CUSTOM_COPY)
726         if (!in->cipher->ctrl((EVP_CIPHER_CTX *)in, EVP_CTRL_COPY, 0, out)) {